4.5
At a Glance
Digital MultimeterStation Type
0 WWattage
N/ATemp Range
1 ±°CTemp Stability
Standard Banana LeadsTip System
YesDigital Display
Best For
BeginnersHobbyists & MakersPhone & Device Repair
Pros & Cons
Pros
- True-RMS measurement — essential for AC signals beyond simple sine waves
- Auto-ranging saves constant dial adjustment during debugging sessions
- NCV (non-contact voltage) tester built in
- CAT III 600V safety rating — appropriate for bench and household circuits
- Backlit display readable in dimly lit workbenches
- Remarkably accurate for the price: <1% DC voltage deviation in testing
Cons
- Capacitance measurement is slow compared to dedicated component testers
- Lead quality is mediocre — upgrade to silicone-insulated leads for regular use
- No data logging or USB output
- Case feels plasticky — survivable but not drop-proof
Uni-T UT139C True-RMS Multimeter
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Our Verdict
The UT139C punches well above its $50 price. True-RMS, auto-ranging, and CAT III rating make it a legitimate bench multimeter. For hobbyists and repair techs who need accurate readings without Fluke prices, this is the recommendation.
Uni-T UT139C True-RMS Multimeter
$49
Prices may change · Free shipping with Prime
| Full Specifications | |
|---|---|
| Station Type | Digital Multimeter |
| Wattage | 0W |
| Temp Range | N/A |
| Temp Stability | 1±°C |
| Tip System | Standard Banana Leads |
| Digital Display | Yes |
| Temp Lock | No |
| Sleep Mode | Yes |
| Hot-Air Channel | No |
| Channels | 1 |
| Unit Weight | 0.75lbs |
Compare With Similar Soldering Stations
Head-to-Head Comparisons
Uni-T UT139C True-RMS Multimeter
$49
Prices may change · Free shipping with Prime