{"product_id":"uni-t-pm2-5-a25f-air-quality-meter","title":"Uni-T PM2.5 A25F Air Quality Meter","description":"\u003ch1\u003e\u003cspan\u003eUNI-T A25F PM2.5 \u0026amp; Formaldehyde Air Quality Meter: The Ultimate Guide\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eOverview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eUNI-T A25F\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a professional-grade, benchtop air quality meter engineered for monitoring indoor air quality in homes, offices, schools, hospitals, and other public spaces \u003c\/span\u003e\u003ca href=\"https:\/\/iranbtm.com\/old\/shop\/brands\/uni-t\/analyzer-air-uni-t-a25f\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.zbozi.cz\/vyrobek\/uni-t-a25f-meric-kvality-vzduchu\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e. As part of UNI-T's environmental testing lineup, this compact device provides real-time measurement of PM2.5 particulate matter, formaldehyde (HCHO) concentration, temperature, and humidity—all on a single, easy-to-read display \u003c\/span\u003e\u003ca href=\"https:\/\/meters.uni-trend.com\/product\/a25f\/#Applications\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/item.szlcsc.com\/mro\/142997.html?redirect_source=item\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eDesigned to help you understand and improve your indoor environment, the A25F utilizes advanced sensor technology: a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003elaser scattering sensor\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for PM2.5 detection and an \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eelectrochemical sensor\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for formaldehyde measurement \u003c\/span\u003e\u003ca href=\"https:\/\/item.szlcsc.com\/mro\/142997.html?redirect_source=item\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/gtest.com.ua\/izmeritelnye-pribory\/vlagomer\/vlagomery-vozduha\/A25F.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e. With its intuitive emoticon display, red backlight alarm, and rechargeable battery, this meter makes air quality monitoring simple and accessible for everyone \u003c\/span\u003e\u003ca href=\"https:\/\/meters.uni-trend.com\/product\/a25f\/#Applications\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"http:\/\/www.syzizun.com\/Products-37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features at a Glance\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eMulti-Parameter Detection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Measures PM2.5 concentration, formaldehyde (HCHO), temperature, and humidity simultaneously—one screen shows it all \u003c\/span\u003e\u003ca href=\"https:\/\/item.szlcsc.com\/mro\/142997.html?redirect_source=item\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.metrotik.com\/%D8%AA%D8%B3%D8%AA%D8%B1-PM2-5--%D9%88-%D8%AF%D8%AA%DA%A9%D8%AA%D9%88%D8%B1-%DA%AF%D8%A7%D8%B2-%D9%81%D8%B1%D9%85%D8%A7%D9%84%D8%AF%D9%87%DB%8C%D8%AF-%DB%8C%D9%88%D9%86%DB%8C%D8%AA%DB%8C-UNIT-A25F.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003ePrecise PM2.5 Measurement:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Detects particulate matter down to 0.3 microns with a measurement range of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0–500 µg\/m³\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e using advanced laser scattering technology \u003c\/span\u003e\u003ca href=\"https:\/\/item.szlcsc.com\/mro\/142997.html?redirect_source=item\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/gtest.com.ua\/izmeritelnye-pribory\/vlagomer\/vlagomery-vozduha\/A25F.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eFormaldehyde (HCHO) Detection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Monitors harmful formaldehyde gas from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0 to 2 mg\/m³\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with 0.01 mg\/m³ resolution, helping you identify indoor pollution sources \u003c\/span\u003e\u003ca href=\"http:\/\/www.syzizun.com\/Products-37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.chem17.com\/product\/detail\/37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eIntuitive Emoticon Display:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Shows different emoticons (smiling\/sad faces) based on PM2.5 and formaldehyde levels, making air quality assessment instantly understandable \u003c\/span\u003e\u003ca href=\"https:\/\/meters.uni-trend.com\/product\/a25f\/#Applications\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"http:\/\/www.syzizun.com\/Products-37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eRed Backlight Alarm:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e When pollution levels exceed safe thresholds, the LCD backlight turns red, providing a clear visual warning \u003c\/span\u003e\u003ca href=\"https:\/\/meters.uni-trend.com\/product\/a25f\/#Applications\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"http:\/\/www.syzizun.com\/Products-37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eTemperature \u0026amp; Humidity Monitoring:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Measures ambient temperature (-10°C to 50°C) and relative humidity (5% to 99% RH) with ±1°C and ±5% RH accuracy \u003c\/span\u003e\u003ca href=\"https:\/\/meters.uni-trend.com\/product\/a25f\/#Applications\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.chem17.com\/product\/detail\/37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eRechargeable Battery:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Powered by a built-in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1500mAh polymer lithium battery\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with USB charging for extended portable use \u003c\/span\u003e\u003ca href=\"https:\/\/meters.uni-trend.com\/product\/a25f\/#Applications\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/item.szlcsc.com\/mro\/142997.html?redirect_source=item\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eAuto Power-Off:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Conserves battery life with automatic shutdown after periods of inactivity \u003c\/span\u003e\u003ca href=\"https:\/\/meters.uni-trend.com\/product\/a25f\/#Applications\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.metrotik.com\/%D8%AA%D8%B3%D8%AA%D8%B1-PM2-5--%D9%88-%D8%AF%D8%AA%DA%A9%D8%AA%D9%88%D8%B1-%DA%AF%D8%A7%D8%B2-%D9%81%D8%B1%D9%85%D8%A7%D9%84%D8%AF%D9%87%DB%8C%D8%AF-%DB%8C%D9%88%D9%86%DB%8C%D8%AA%DB%8C-UNIT-A25F.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eLarge LCD Display:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 42mm × 65mm backlit screen provides clear visibility even in low-light conditions \u003c\/span\u003e\u003ca href=\"https:\/\/meters.uni-trend.com\/product\/a25f\/#Applications\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.seeanshop.com\/%D9%85%D8%AD%D8%B5%D9%88%D9%84\/107411\/%D8%A2%D9%86%D8%A7%D9%84%D8%A7%DB%8C%D8%B2%D8%B1-%DA%A9%DB%8C%D9%81%DB%8C%D8%AA-%D9%87%D9%88%D8%A7%DB%8C-%D9%85%D8%AD%DB%8C%D8%B7-%D9%88-%DA%AF%D8%A7%D8%B2-%D9%81%D8%B1%D9%85%D8%A7%D9%84%D8%AF%D9%87%DB%8C%D8%AF-%DB%8C%D9%88%D9%86%DB%8C%D8%AA%DB%8C-uni-t-a25f\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eCE Certified:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Meets European safety and environmental standards \u003c\/span\u003e\u003ca href=\"http:\/\/www.syzizun.com\/Products-37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.metrotik.com\/%D8%AA%D8%B3%D8%AA%D8%B1-PM2-5--%D9%88-%D8%AF%D8%AA%DA%A9%D8%AA%D9%88%D8%B1-%DA%AF%D8%A7%D8%B2-%D9%81%D8%B1%D9%85%D8%A7%D9%84%D8%AF%D9%87%DB%8C%D8%AF-%DB%8C%D9%88%D9%86%DB%8C%D8%AA%DB%8C-UNIT-A25F.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eDetailed Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"\u003e\n\u003cdiv class=\"ds-scroll-area__gutters\"\u003e\n\u003cdiv class=\"ds-scroll-area__horizontal-gutter\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-scroll-area__vertical-gutter\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetail\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eA25F\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUNI-T\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003ePM2.5 Range\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 – 500 µg\/m³\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003ePM2.5 Resolution\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 µg\/m³\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003ePM2.5 Accuracy\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e±(10 µg\/m³ + 10 dgts) @ 0-100 µg\/m³; ±(10% + 30 dgts) @ 101-400 µg\/m³; ±(10% + 50 dgts) @ 401-500 µg\/m³ \u003c\/span\u003e\u003ca href=\"https:\/\/meters.uni-trend.com\/product\/a25f\/#Applications\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"http:\/\/www.syzizun.com\/Products-37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eFormaldehyde Range\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 – 2 mg\/m³\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eFormaldehyde Resolution\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.01 mg\/m³\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eFormaldehyde Accuracy\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e≤0.14 mg\/m³: ±(25% + 0.05 mg\/m³); ≥0.15 mg\/m³: ±(50% + 0.05 mg\/m³) \u003c\/span\u003e\u003ca href=\"http:\/\/www.syzizun.com\/Products-37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.chem17.com\/product\/detail\/37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eTemperature Range\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-10°C ~ 50°C (14°F ~ 122°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eTemperature Accuracy\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e±1°C (18-28°C ambient) \u003c\/span\u003e\u003ca href=\"https:\/\/meters.uni-trend.com\/product\/a25f\/#Applications\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"http:\/\/www.syzizun.com\/Products-37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eHumidity Range\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5% ~ 99% RH\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eHumidity Accuracy\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan\u003e±5% RH (0-40°C) \u003c\/span\u003e\u003ca href=\"https:\/\/meters.uni-trend.com\/product\/a25f\/#Applications\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.chem17.com\/product\/detail\/37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eResponse Time\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt;10 seconds\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eDisplay\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e42mm × 65mm LCD with backlight\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003ePower Supply\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.7V 1500mAh rechargeable polymer battery\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCharging Interface\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMicro USB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eAuto Power Off\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eLow Battery Indication\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eProduct Dimensions\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e130mm × 75mm × 55mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eProduct Net Weight\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e230g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eCertifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCE, RoHS\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan\u003eWarranty\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 year (varies by region)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eWhat's in the Box\u003c\/span\u003e\u003c\/h2\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"\u003e\n\u003cdiv class=\"ds-scroll-area__gutters\"\u003e\n\u003cdiv class=\"ds-scroll-area__horizontal-gutter\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ds-scroll-area__vertical-gutter\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eItem\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eQuantity\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eUNI-T A25F Air Quality Meter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1x\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMicro USB Charging Cable\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1x\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eUser Manual\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1x\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eGift Box \/ Retail Packaging\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1x\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eKey Functions \u0026amp; Operation\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003e1. PM2.5 Particulate Measurement\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThe A25F uses \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003elaser scattering technology\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e to detect fine particulate matter as small as 0.3 microns \u003c\/span\u003e\u003ca href=\"https:\/\/item.szlcsc.com\/mro\/142997.html?redirect_source=item\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e. The display shows real-time PM2.5 concentration in micrograms per cubic meter (µg\/m³), with readings from 0 to 500 µg\/m³.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eAir Quality Index for PM2.5 (Chinese Standard GB3095-2012):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/www.syzizun.com\/Products-37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.chem17.com\/product\/detail\/37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e0-35 µg\/m³:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Level 1 – Excellent (Green)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e36-75 µg\/m³:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Level 2 – Good\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e76-115 µg\/m³:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Level 3 – Light Pollution\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e116-150 µg\/m³:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Level 4 – Moderate Pollution (Red Backlight)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e151-250 µg\/m³:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Level 5 – Heavy Pollution (Red Backlight)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e251-500 µg\/m³:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Level 6 – Severe Pollution (Red Backlight)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e2. Formaldehyde (HCHO) Detection\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThe built-in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eelectrochemical sensor\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e detects formaldehyde gas concentrations from 0 to 2 mg\/m³ with 0.01 mg\/m³ resolution \u003c\/span\u003e\u003ca href=\"https:\/\/item.szlcsc.com\/mro\/142997.html?redirect_source=item\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/gtest.com.ua\/izmeritelnye-pribory\/vlagomer\/vlagomery-vozduha\/A25F.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e. Formaldehyde is a common indoor pollutant from furniture, paint, adhesives, and building materials \u003c\/span\u003e\u003ca href=\"https:\/\/gtest.com.ua\/izmeritelnye-pribory\/vlagomer\/vlagomery-vozduha\/A25F.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eFormaldehyde Air Quality Levels:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/www.syzizun.com\/Products-37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.chem17.com\/product\/detail\/37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e0-0.09 mg\/m³:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Level 1 – Safe (Normal)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e0.10-0.20 mg\/m³:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Level 2 – Moderate\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003e\u0026gt;0.20 mg\/m³:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Level 3 – Hazardous (Red Backlight)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e3. Temperature \u0026amp; Humidity Monitoring\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThe meter simultaneously displays ambient temperature (°C\/°F selectable) and relative humidity (%), providing a complete picture of your indoor environment \u003c\/span\u003e\u003ca href=\"https:\/\/meters.uni-trend.com\/product\/a25f\/#Applications\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.metrotik.com\/%D8%AA%D8%B3%D8%AA%D8%B1-PM2-5--%D9%88-%D8%AF%D8%AA%DA%A9%D8%AA%D9%88%D8%B1-%DA%AF%D8%A7%D8%B2-%D9%81%D8%B1%D9%85%D8%A7%D9%84%D8%AF%D9%87%DB%8C%D8%AF-%DB%8C%D9%88%D9%86%DB%8C%D8%AA%DB%8C-UNIT-A25F.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e4. Intuitive Emoticon \u0026amp; Color-Coded Alerts\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThe A25F features a unique visual alert system:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eEmoticon Display:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Shows happy, neutral, or sad faces corresponding to PM2.5 and formaldehyde levels \u003c\/span\u003e\u003ca href=\"http:\/\/www.syzizun.com\/Products-37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.chem17.com\/product\/detail\/37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eRed Backlight Alarm:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Activates when PM2.5 exceeds 116 µg\/m³ or formaldehyde exceeds 0.20 mg\/m³, providing an immediate visual warning \u003c\/span\u003e\u003ca href=\"https:\/\/meters.uni-trend.com\/product\/a25f\/#Applications\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"http:\/\/www.syzizun.com\/Products-37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e5. MAX Value Recording\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003ePress and hold the power button to display the maximum formaldehyde concentration recorded during the current session—useful for identifying peak exposure levels \u003c\/span\u003e\u003ca href=\"http:\/\/www.syzizun.com\/Products-37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.chem17.com\/product\/detail\/37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e6. Formaldehyde Zero Calibration\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThe meter includes a zero calibration function to maintain long-term accuracy. Press the backlight button in formaldehyde mode to zero the reading (ensure fresh air environment before calibration) \u003c\/span\u003e\u003ca href=\"http:\/\/www.syzizun.com\/Products-37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.chem17.com\/product\/detail\/37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e7. Rechargeable Battery \u0026amp; Power Management\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eBuilt-in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1500mAh polymer lithium battery\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides extended operation \u003c\/span\u003e\u003ca href=\"https:\/\/meters.uni-trend.com\/product\/a25f\/#Applications\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/item.szlcsc.com\/mro\/142997.html?redirect_source=item\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eLow Battery Indication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Displays battery level from 1-4 bars; recharge when low \u003c\/span\u003e\u003ca href=\"http:\/\/www.syzizun.com\/Products-37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.chem17.com\/product\/detail\/37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eUSB Charging:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Includes Micro USB cable; can be used while charging \u003c\/span\u003e\u003ca href=\"https:\/\/meters.uni-trend.com\/product\/a25f\/#Applications\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/item.szlcsc.com\/mro\/142997.html?redirect_source=item\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eAuto Power-Off:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Automatically shuts down after inactivity to conserve battery \u003c\/span\u003e\u003ca href=\"https:\/\/meters.uni-trend.com\/product\/a25f\/#Applications\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.metrotik.com\/%D8%AA%D8%B3%D8%AA%D8%B1-PM2-5--%D9%88-%D8%AF%D8%AA%DA%A9%D8%AA%D9%88%D8%B1-%DA%AF%D8%A7%D8%B2-%D9%81%D8%B1%D9%85%D8%A7%D9%84%D8%AF%D9%87%DB%8C%D8%AF-%DB%8C%D9%88%D9%86%DB%8C%D8%AA%DB%8C-UNIT-A25F.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eApplications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThe UNI-T A25F is an ideal tool for:\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan\u003e🏠 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHome \u0026amp; Living Spaces\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eMonitor air quality in bedrooms, living rooms, and nurseries to ensure a healthy environment for family, especially children and elderly\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eDetect formaldehyde after new furniture, renovations, or paint applications \u003c\/span\u003e\u003ca href=\"https:\/\/item.szlcsc.com\/mro\/142997.html?redirect_source=item\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eTrack PM2.5 levels from cooking, candles, or outdoor pollution entering the home\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan\u003e🏢 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOffices \u0026amp; Workplaces\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eMaintain optimal indoor air quality for employee health and productivity\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eMonitor conference rooms and enclosed spaces during meetings \u003c\/span\u003e\u003ca href=\"https:\/\/iranbtm.com\/old\/shop\/brands\/uni-t\/analyzer-air-uni-t-a25f\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.metrotik.com\/%D8%AA%D8%B3%D8%AA%D8%B1-PM2-5--%D9%88-%D8%AF%D8%AA%DA%A9%D8%AA%D9%88%D8%B1-%DA%AF%D8%A7%D8%B2-%D9%81%D8%B1%D9%85%D8%A7%D9%84%D8%AF%D9%87%DB%8C%D8%AF-%DB%8C%D9%88%D9%86%DB%8C%D8%AA%DB%8C-UNIT-A25F.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan\u003e🏫 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSchools \u0026amp; Educational Facilities\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eEnsure healthy learning environments for students and staff\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eMonitor classrooms, libraries, and common areas \u003c\/span\u003e\u003ca href=\"https:\/\/iranbtm.com\/old\/shop\/brands\/uni-t\/analyzer-air-uni-t-a25f\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.seeanshop.com\/%D9%85%D8%AD%D8%B5%D9%88%D9%84\/107411\/%D8%A2%D9%86%D8%A7%D9%84%D8%A7%DB%8C%D8%B2%D8%B1-%DA%A9%DB%8C%D9%81%DB%8C%D8%AA-%D9%87%D9%88%D8%A7%DB%8C-%D9%85%D8%AD%DB%8C%D8%B7-%D9%88-%DA%AF%D8%A7%D8%B2-%D9%81%D8%B1%D9%85%D8%A7%D9%84%D8%AF%D9%87%DB%8C%D8%AF-%DB%8C%D9%88%D9%86%DB%8C%D8%AA%DB%8C-uni-t-a25f\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan\u003e🏥 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHospitals \u0026amp; Healthcare Facilities\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eSupport infection control and patient comfort\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eMonitor waiting rooms, patient rooms, and treatment areas\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan\u003e🚗 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eVehicles \u0026amp; Transportation\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eCheck interior air quality in cars, especially new vehicles with off-gassing materials \u003c\/span\u003e\u003ca href=\"https:\/\/item.szlcsc.com\/mro\/142997.html?redirect_source=item\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eMonitor during long journeys with closed windows\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan\u003e🏨 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHotels \u0026amp; Hospitality\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eVerify room air quality for guest comfort\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eIdentify potential issues from cleaning products or building materials \u003c\/span\u003e\u003ca href=\"https:\/\/iranbtm.com\/old\/shop\/brands\/uni-t\/analyzer-air-uni-t-a25f\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.seeanshop.com\/%D9%85%D8%AD%D8%B5%D9%88%D9%84\/107411\/%D8%A2%D9%86%D8%A7%D9%84%D8%A7%DB%8C%D8%B2%D8%B1-%DA%A9%DB%8C%D9%81%DB%8C%D8%AA-%D9%87%D9%88%D8%A7%DB%8C-%D9%85%D8%AD%DB%8C%D8%B7-%D9%88-%DA%AF%D8%A7%D8%B2-%D9%81%D8%B1%D9%85%D8%A7%D9%84%D8%AF%D9%87%DB%8C%D8%AF-%DB%8C%D9%88%D9%86%DB%8C%D8%AA%DB%8C-uni-t-a25f\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan\u003e🔬 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eLaboratories \u0026amp; Research\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eSupport environmental monitoring in research settings\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eDocument air quality conditions for experiments \u003c\/span\u003e\u003ca href=\"https:\/\/www.seeanshop.com\/%D9%85%D8%AD%D8%B5%D9%88%D9%84\/107411\/%D8%A2%D9%86%D8%A7%D9%84%D8%A7%DB%8C%D8%B2%D8%B1-%DA%A9%DB%8C%D9%81%DB%8C%D8%AA-%D9%87%D9%88%D8%A7%DB%8C-%D9%85%D8%AD%DB%8C%D8%B7-%D9%88-%DA%AF%D8%A7%D8%B2-%D9%81%D8%B1%D9%85%D8%A7%D9%84%D8%AF%D9%87%DB%8C%D8%AF-%DB%8C%D9%88%D9%86%DB%8C%D8%AA%DB%8C-uni-t-a25f\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cspan\u003e🌿 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eGreenhouses \u0026amp; Plant Care\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eMonitor environmental conditions for plant health\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eTrack air quality in indoor growing spaces \u003c\/span\u003e\u003ca href=\"https:\/\/iranbtm.com\/old\/shop\/brands\/uni-t\/analyzer-air-uni-t-a25f\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.metrotik.com\/%D8%AA%D8%B3%D8%AA%D8%B1-PM2-5--%D9%88-%D8%AF%D8%AA%DA%A9%D8%AA%D9%88%D8%B1-%DA%AF%D8%A7%D8%B2-%D9%81%D8%B1%D9%85%D8%A7%D9%84%D8%AF%D9%87%DB%8C%D8%AF-%DB%8C%D9%88%D9%86%DB%8C%D8%AA%DB%8C-UNIT-A25F.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Monitor PM2.5 and Formaldehyde?\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003ePM2.5 Particulate Matter\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003ePM2.5 refers to fine particulate matter with a diameter of 2.5 micrometers or less—about 30 times smaller than a human hair \u003c\/span\u003e\u003ca href=\"https:\/\/www.zbozi.cz\/vyrobek\/uni-t-a25f-meric-kvality-vzduchu\/\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e. These microscopic particles can penetrate deep into the lungs and enter the bloodstream, contributing to:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eRespiratory and cardiovascular diseases\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eAsthma and allergy exacerbation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eReduced lung function\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eIncreased risk of lung cancer\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eFormaldehyde (HCHO)\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eFormaldehyde is a colorless, strong-smelling gas classified as a human carcinogen \u003c\/span\u003e\u003ca href=\"https:\/\/gtest.com.ua\/izmeritelnye-pribory\/vlagomer\/vlagomery-vozduha\/A25F.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e. Common indoor sources include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003ePressed wood products (furniture, cabinetry)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eBuilding materials and insulation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003ePaints, varnishes, and adhesives\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eCigarette smoke\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eCleaning products\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eHealth Effects of Formaldehyde Exposure:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eHeadaches, dizziness, and fatigue\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eEye, nose, and throat irritation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eCoughing and wheezing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eNausea and skin irritation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eLong-term exposure may increase cancer risk \u003c\/span\u003e\u003ca href=\"https:\/\/gtest.com.ua\/izmeritelnye-pribory\/vlagomer\/vlagomery-vozduha\/A25F.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eSafety \u0026amp; Maintenance\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003ePre-Use Preparation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Before first use, allow the meter to sit in the test environment for 10-30 minutes to stabilize temperature and humidity readings \u003c\/span\u003e\u003ca href=\"https:\/\/item.szlcsc.com\/mro\/142997.html?redirect_source=item\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eCalibration:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The electrochemical formaldehyde sensor is factory-calibrated and requires no user calibration under normal use. Zero calibration can be performed in fresh air if needed \u003c\/span\u003e\u003ca href=\"https:\/\/item.szlcsc.com\/mro\/142997.html?redirect_source=item\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.chem17.com\/product\/detail\/37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eEnvironmental Limits:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Avoid use in environments exceeding 50°C or 99% RH. Keep away from direct airflow (fans, AC vents) that may affect readings \u003c\/span\u003e\u003ca href=\"https:\/\/item.szlcsc.com\/mro\/142997.html?redirect_source=item\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eChemical Interference:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Formaldehyde detection may be affected by alcohol, perfume, smoke, and other volatile organic compounds. Keep these substances away during measurement \u003c\/span\u003e\u003ca href=\"https:\/\/item.szlcsc.com\/mro\/142997.html?redirect_source=item\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eCleaning:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Wipe the exterior with a soft, dry cloth. Avoid solvents or abrasive materials \u003c\/span\u003e\u003ca href=\"https:\/\/item.szlcsc.com\/mro\/142997.html?redirect_source=item\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eBattery Care:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e For extended storage, charge the battery to approximately 50% and recharge periodically to maintain battery health \u003c\/span\u003e\u003ca href=\"https:\/\/item.szlcsc.com\/mro\/142997.html?redirect_source=item\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eStorage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Store in a clean, dry environment within specified temperature ranges (-20°C to 60°C) \u003c\/span\u003e\u003ca href=\"http:\/\/www.syzizun.com\/Products-37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/www.chem17.com\/product\/detail\/37809250.html\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCustomer Reviews \u0026amp; Verdict\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan\u003eThe UNI-T A25F is widely recognized as a reliable and user-friendly air quality monitor that offers exceptional value for homeowners, renters, and professionals concerned about indoor air quality. Its combination of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePM2.5 and formaldehyde detection\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eintuitive visual alerts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eportable design\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e makes it a popular choice for new homeowners, parents, and health-conscious individuals.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePositive Feedback\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eEase of Use:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Users appreciate the simple one-button operation and clear emoticon display that makes air quality assessment instantly understandable.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eComprehensive Monitoring:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The ability to measure both PM2.5 and formaldehyde in a single device is frequently highlighted as a major advantage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eVisual Alerts:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The red backlight alarm provides immediate warning when pollution levels become hazardous.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003ePortability:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The rechargeable battery and compact size allow for easy movement between rooms and locations.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eBuild Quality:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e UNI-T's reputation for reliable test equipment carries through to this consumer-friendly air quality meter.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eConsiderations\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eDiscontinued Status:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Some sources indicate this model has been discontinued \u003c\/span\u003e\u003ca href=\"https:\/\/item.szlcsc.com\/mro\/142997.html?redirect_source=item\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e. Verify availability with distributors.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eAccuracy Range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e High-end accuracy specifications are for laboratory conditions; real-world performance may vary.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eSensor Warm-Up:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Allow 10-30 minutes for temperature and humidity readings to stabilize after moving to a new location \u003c\/span\u003e\u003ca href=\"https:\/\/item.szlcsc.com\/mro\/142997.html?redirect_source=item\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eFormaldehyde Cross-Sensitivity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Electrochemical sensors may have some sensitivity to other volatile organic compounds.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan\u003eNote:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e According to some distributors, this model may be discontinued \u003c\/span\u003e\u003ca href=\"https:\/\/item.szlcsc.com\/mro\/142997.html?redirect_source=item\" rel=\"noreferrer\" target=\"_blank\"\u003e\u003c\/a\u003e\u003cspan\u003e. Please verify current availability with UNI-T or authorized distributors before purchase.\u003c\/span\u003e\u003c\/p\u003e","brand":"AxiPower","offers":[{"title":"Default Title","offer_id":51500520210648,"sku":null,"price":23400.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/5114\/0056\/files\/uni-t-pm2-5-a25f-quality-meter-550x550_jpg_e99b961a-7255-454a-997e-f6537804e159.webp?v=1774335656","url":"https:\/\/axipower.com.pk\/products\/uni-t-pm2-5-a25f-air-quality-meter","provider":"Axi Power","version":"1.0","type":"link"}