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The UNI-T UT125C is a palm-sized, ultra-compact digital multimeter designed for electronics DIYers, hobbyists, and professionals who need a reliable testing tool that fits in their pocket . Despite its small footprint (roughly half the size of a palm), this meter delivers impressive functionality with 4000-count display resolution and the ability to measure AC/DC voltage up to 600V .
Engineered with safety as a priority, the UT125C complies with CAT III 600V safety standards and is certified with CE and cETLus approvals, ensuring user protection during electrical measurements . With integrated test lead storage and a lightweight design (just 180g), this multimeter is the perfect companion for on-the-go troubleshooting, field service, and benchtop work .
True Pocket Size: Ultra-compact dimensions of 112mm x 58mm x 35mm—smaller than a smartphone
Lightweight Design: Weighs only 180g (approximately 6.3 ounces) for comfortable carry
4000-Count Display: Large, backlit LCD (38mm x 23mm) for clear readings in any lighting condition
600V Voltage Measurement: Measures both AC and DC voltage up to 600V
Comprehensive Functionality: Includes voltage, current, resistance, capacitance, frequency, duty cycle, diode, and continuity testing
Non-Contact Voltage (NCV) Detection: Safely detect AC electric fields without touching live conductors
Integrated Probe Storage: Convenient slot on the back securely stores test leads when not in use
Safety Certified: CAT III 600V rating with CE and cETLus certifications
Durable Construction: Passes 1-meter drop test for reliable field use
The UNI-T UT125C delivers professional-grade accuracy across a comprehensive range of electrical parameters.
| Item | Quantity |
|---|---|
| UNI-T UT125C Digital Multimeter | 1x |
| Test Leads (integrated storage) | 1 pair |
| AAA Batteries (1.5V R03) | 2x |
| User Manual (English) | 1x |
| Gift Box Packaging | 1x |
The UT125C features an intuitive interface with three primary buttons :
Set the rotary switch to V position
Press SELECT to choose between DC (display shows DC indicator) or AC (display shows AC indicator)
Connect the test leads in parallel to the circuit under test
Set the rotary switch to mA or μA position
Press SELECT to choose between DC or AC
Connect the test leads in series with the circuit under test
Ensure the circuit power is off before making connections
Set the rotary switch to Ω position
Press SELECT to select resistance function
Connect the test leads in parallel with the resistor
Read the resistance value on the display
Note: For low resistance measurements, test leads may add 0.1Ω~0.2Ω error
Set the rotary switch to capacitance position
Press SELECT to select capacitance function
Fully discharge the capacitor before measurement
Connect the test leads in parallel with the capacitor
Set the rotary switch to diode/continuity position
Press SELECT to choose between diode or continuity function
For diode: Connect test leads across the diode; display shows forward voltage drop
For continuity: Connect test leads across the circuit; buzzer sounds when resistance <100Ω
Turn the meter on (rotary switch at any position)
Bring the meter near a live conductor or outlet
The NCV LED indicator will illuminate when AC voltage >100V/50Hz is detected
The UNI-T UT125C is an ideal tool for:
Testing components on circuit boards
Troubleshooting low-power electronics projects
Testing car battery voltage (12V/24V systems)
Checking sensors and switches
On-site troubleshooting of electronic equipment
Quick verification of power supplies
Ideal for electronics students and vocational training
Safe introduction to electrical measurements
Affordable option for classroom use
The UT125C incorporates multiple safety features to protect users :
CAT III 600V Rating: Suitable for measurements on distribution circuits and permanently installed equipment
Overload Protection: Fuse protection on current inputs (Fuse 0.5A H 600V, 6x32mm)
Input Warning: Never input voltage exceeding 600V between terminals and ground
Double Insulation: Complies with double insulation safety requirements
CE Certification: Meets European EMC, LVD, and RoHS standards
cETLus Certification: Approved for North American safety standards
When the low battery symbol " " appears on the display, replace both batteries:
Set the rotary switch to OFF and remove test leads
Remove the protective case
Loosen the screw on the battery cover
Replace with two new AAA 1.5V batteries, observing correct polarity
If current measurements stop working:
Set the rotary switch to OFF and remove test leads
Open the battery cover
Replace the blown fuse with specified type: 0.5A H 600V, 6x32mm
The UT125C stands out as a purpose-built portable multimeter that doesn't sacrifice functionality for size. Its ultra-compact form factor (112mm x 58mm x 35mm) makes it truly pocketable—small enough to carry every day without noticing the weight .
Despite its small size, it delivers comprehensive measurement capabilities including voltage, current, resistance, capacitance, frequency, duty cycle, diode, and continuity testing—covering 90% of everyday electrical troubleshooting needs .
The integrated probe storage is a thoughtful design feature that keeps test leads organized and prevents them from getting lost or tangled . Combined with the backlit display and NCV detection, this meter is equally at home on a benchtop, in a service van, or on a rooftop troubleshooting HVAC equipment.
With CE and cETLus certifications and a CAT III 600V safety rating, the UT125C meets international safety standards while remaining affordable for DIYers and professionals alike . If you need a reliable, portable, and feature-rich multimeter that fits in your pocket, the UNI-T UT125C is an excellent choice.
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