Main Features
1. True RMS
2. NCV
3. Auto and manual ranges selectable
4. LPF (low pass filter) function
5. LoZ (low impedance input) function
6. 31-segment analog bar graph
7. Black EBTN screen
8. Diode, duty ratio and continuity buzzer
Inspecification
| Functions | Range | Basic Accuracy |
| UT139S | ||
| DC voltage (V) | 60mV/600mV | ±(0.5%＋2) |
| /6V/60V/600V | ||
| AC voltage (V) | 60mV/600mV | ±(0.8%+3) |
| /6V/60V/600V | ||
| DC current (A) | 600μA/6000μA | ±(0.7%+2) |
| /60mA/600mA/6A/10A | ||
| AC current (A) | 600μA/6000μA | ±(1.0%+3) |
| /60mA/600mA/6A/10A | ||
| Resistance (Ω) | 600Ω/6kΩ/60kΩ | ±(0.8%+2) |
| /600kΩ/6MΩ/60MΩ | ||
| Capacitance (F) | 9.999nF/99.99nF | ±(4%+5) |
| /999.9nF/9.999μF | ||
| /99.99μF/999.9μF/9.999mF/99.99mF | ||
| Frequency (Hz) | 10Hz~10MHz | ±(0.1%+4) |
| Temperature (℃) | -40～1000℃ | ±(1.0%+4) |
| Temperature (℉) | -40～1832℉ | ±(1.5％+5) |
| Features | ||
| Safety rating | CAT III 600V | |
| True RMS | √ | |
| LCD display | EBTN | |
| Display count | 6000 | |
| LPF (ACV) | √ | |
| LoZ (ACV) | √ | |
| Diode | √ | |
| Continuity buzzer | √ | |
| Duty cycle | √ | |
| NCV | √ | |
| Sampling rate | 3 times/s | |
| Analog bar graph | 31 segments | |
| Range selection | √ | |
| Max/Min | √ | |
| Relative mode | √ | |
| Drop proof | 1m | |
| General Characteristics | ||
| Product color | Red and grey | |
| Product net weight | 345g | |
| Product size | 175×81×48.5mm | |
| Standard individual packing | Gift box, English manual | |
| Standard quantity per carton | 40pcs | |
| Standard carton size | 450×330×340mm | |
| Standard carton gross weight | ||
Note: Battery was not included for air shipping ,please prepare it by yourself.
English version user manual can be download directly from the Uni-t website.
- The shipping costs to all countries are the same.
- Item will be shipped within 1-2 business days
- Items will be checked carefully before sent out.
- We will use air bubbles to wrap the items carefully
Sales Tax:
Sales Tax Depends on the import tax policy of your country.
Warranty & return:
- For ensuring all the items are in good quality, we will test all products before the packages were sent out .
- 30 days warranty from the purchased date. Please contact us via email before returning the defective item.
- Return items should include the original packaging and all accessories.
Only defective product will be offered exchange.
Contact us :
Our office hours are :
- 8:30 a.m. to 6:00 p.m. (GMT +8) of Monday
to Friday
- 8:30 a.m. to 1:00 p.m. (GMT +8) of Saturday
- 8:30 a.m. to 6:00 p.m. (GMT +8) of Sunday
- Our office is closed on public holidays (China). We apologize for the late reply during the holidays.
We have always been trying to provide the best service and reliable products for every customer. Please contact us to resolve any issue before leaving negative feedback . we will assist you in any way possible and aim to answer all emails .
