UNI-T UT136C+ Digital Multimeter: The Ultimate Guide

Overview

The UNI-T UT136C+ is a next-generation, auto-ranging digital multimeter that represents the pinnacle of the popular UT136+ series . Designed with an innovative industrial aesthetic, this meter combines robust durability with expanded functionality, making it an indispensable tool for electricians, HVAC technicians, electronics enthusiasts, and field service professionals who require temperature measurement capability alongside comprehensive electrical testing .

Engineered to withstand the rigors of daily use, the UT136C+ features a 2-meter drop-proof design protected by a 3mm thick protective sleeve, ensuring it survives accidental falls that would destroy lesser meters . With safety ratings of CAT II 1000V and CAT III 600V, it delivers professional-grade protection in high-energy electrical environments . The meter includes valuable features like temperature measurement (-40°C to 1000°C), hFE transistor testing, and NCV non-contact voltage detection, adding exceptional versatility for troubleshooting, component testing, and HVAC applications .

Key Features at a Glance

• Temperature Measurement: Built-in thermocouple support for readings from -40°C to 1000°C—ideal for HVAC and appliance repair 

• Extensive Measurement Range: Measures AC/DC voltage up to 1000V and AC/DC current up to 10A 

• Exceptional Durability: 2-meter drop proof with 3mm protective sleeve—ideal for job site use 

• Fast Sampling Rate: 4 times/second sampling provides quick, accurate readings 

• Large LCD Display: 56.5mm x 36mm screen with backlight for clear visibility in any lighting condition 

• Quick Capacitance Measurement: Measures 1mF in just 4 seconds for efficient capacitor testing 

• Extended Battery Life: Low power consumption design delivers >500 hours of operation 

• Comprehensive Protection: Full-featured mis-test protection with anti-burn design withstands up to 1kV voltage shocks 

• Transistor Testing (hFE): Built-in hFE socket for testing transistor current gain 

• NCV Detection: Non-contact voltage sensing for safe live wire identification 

• Safety Certified: CAT II 1000V / CAT III 600V with CE and other international certifications 

Detailed Specifications

The UNI-T UT136C+ delivers professional-grade accuracy across a comprehensive range of electrical and temperature parameters.

Electrical & Temperature Measurement Specifications

Input Impedance: 10MΩ (DCV) 

General Characteristics

Special Functions

Mechanical & Environmental Specifications

What's in the Box

Key Functions & Operation

1. Temperature Measurement (UT136C+ Exclusive)

• Set the rotary switch to the °C/°F position

• Connect the included K-type thermocouple to the meter

• Press SELECT to choose between Celsius (°C) or Fahrenheit (°F)

• Attach the probe tip to the object or environment being measured

• Read the temperature value directly from the display 

• Range: -40°C to 1000°C for maximum versatility in HVAC, appliance repair, and industrial applications 

2. Voltage Measurement (AC/DC)

• Set the rotary switch to the V position

• Press SELECT to choose between AC and DC measurement

• Connect test leads in parallel to the circuit under test

• The 10MΩ input impedance ensures minimal circuit loading 

3. Current Measurement (AC/DC)

• Set the rotary switch to the appropriate μA, mA, or A position based on expected current

• Press SELECT to choose AC or DC

• Connect test leads in series with the circuit

• Always start with the highest range if current value is unknown

4. Resistance & Continuity Testing

• Set the rotary switch to the Ω/continuity/diode position

• Press SELECT to cycle through resistance, continuity, and diode test modes

• For continuity, the buzzer sounds when resistance is <100Ω

5. Capacitance Measurement

• Set the rotary switch to the capacitance position

• Fully discharge capacitors before testing to avoid damage

• Connect test leads in parallel with the capacitor

• The meter measures large capacitors (1mF) in approximately 4 seconds—significantly faster than competing meters 

6. Frequency Measurement

• Set the rotary switch to the Hz position

• Connect test leads to the signal source

• Measure frequencies up to 40MHz with ±0.1% accuracy 

7. hFE Transistor Testing

• Set the rotary switch to the hFE position

• Insert the transistor into the dedicated hFE socket, matching the correct pinout (E, B, C)

• Read the transistor's DC current gain (β) directly from the display 

8. NCV (Non-Contact Voltage) Detection

• Set the rotary switch to the NCV position

• Bring the top of the meter near a live conductor or outlet

• The meter provides visual and audible indication when AC voltage is detected, without making physical contact 

Safety Features & Certifications

The UT136C+ incorporates multiple safety features to protect users:

• CAT II 1000V / CAT III 600V Rating: Suitable for measurements on distribution circuits, permanently installed equipment, and high-voltage applications 

• 2-Meter Drop Proof: Withstands accidental falls from workbenches and ladders 

• Anti-Burn Protection: Internal fuse + PTC self-recovery protection design prevents damage from misconnection—ideal for beginners 

• Overload Protection: Comprehensive mis-test protection withstands up to 1kV voltage shocks 

• Input Warning: Safety-designed inputs prevent incorrect connections

• Double Insulation: Complies with international double insulation requirements

• Low Battery Indication: Alerts user when batteries need replacement to maintain accuracy 

Applications

The UNI-T UT136C+ is an ideal tool for:

🌡️ HVAC & Refrigeration

• Measuring vent temperatures, superheat, and subcooling

• Troubleshooting furnaces, air conditioners, and refrigeration systems

• Testing thermostats and temperature sensors 

⚡ Electrical & Industrial Maintenance

• Troubleshooting control panels and machinery

• Measuring voltage on industrial equipment up to 1000V

• Testing motor windings and contactors

🔧 Electronics Repair & Hobby

• Testing components on circuit boards

• Measuring transistor gain (hFE) for matching pairs

• Checking capacitor values in power supplies

• Diode and continuity testing for PCB troubleshooting

🏠 Residential Electrical Work

• Checking household outlet voltages

• Testing batteries and power adapters

• Identifying live wires with NCV function

• Troubleshooting lighting and appliance circuits

🚗 Automotive Diagnostics

• Testing car battery voltage (12V/24V systems)

• Checking alternator output

• Testing fuses and relays

• Verifying sensor operation

🎓 Educational & Vocational Training

• Ideal for electronics students

• Teaching fundamental measurement techniques

• Safe introduction to electrical measurements

• Affordable option for classroom use 

UT136C+ vs. UT136B+: Key Differences

The UT136C+ is the enhanced version of the UT136B+, adding several professional-grade features :

Customer Reviews Summary

Users consistently praise the UT136C+ for:

• Excellent Value: Comprehensive features at an affordable price point—"Best multimeter for the price" 

• Build Quality: "Excellent quality and value for the price... Really nicely finished all around and doesn't feel cheap. The red silicone glove is soft and snug." 

• Auto-Ranging Convenience: "Auto ranging and accurate, easy to use and does what it claims" 

• Temperature Function: Highly valued by HVAC technicians and appliance repair professionals

• Durability: The 2-meter drop protection and protective sleeve inspire confidence on job sites 

• Anti-Burn Protection: Particularly appreciated by beginners and educational users 

Minor Complaint: Some users note the continuity test buzzer is relatively quiet compared to premium brands 

Why Choose the UNI-T UT136C+?

The UT136C+ stands out as a significant upgrade over previous-generation multimeters, addressing the needs of modern users who demand both durability and expanded functionality .

Key Differentiators:

Final Verdict

The UNI-T UT136C+ represents an exceptional balance of durability, functionality, and value. Its temperature measurement capability makes it the clear choice for HVAC technicians, appliance repair professionals, and anyone who needs to measure both electrical parameters and temperature with a single tool .

Whether you're a professional electrician working in demanding industrial environments, an HVAC technician troubleshooting furnaces and air conditioners, an electronics hobbyist needing transistor testing capability, or a DIYer looking for a reliable home troubleshooting tool, this meter delivers professional-grade performance without breaking the bank .

With its 2-meter drop-proof design, 1000V measurement capability, temperature measurement, hFE transistor testing, NCV detection, and >500-hour battery life, the UT136C+ is more than just a basic multimeter—it's a comprehensive testing solution that will serve you reliably for years to come