UT139B True RMS Digital Multimeter
UNI-T's UT139B is a True RMS auto range digital multimeter with 4000 display count and 1kHz bandwidth, featuring VFC, NCV, Max/Min/Rel measurements.UT139B price is available in sensotech website.
Main features
1. MAX/MIN/REL modes
2. Data hold, LED backlight, auto power off
3. VFC: low pass filter
4. Full range protection (600V)
5. True RMS
6. NCV
7. Auto/manual ranges selectable
| Specifications |
Range |
Best Accuracy |
| Model |
|
UT139B |
| DC Voltage (V) |
40mV/400mV/4V/40V/400V/600V |
±(0.5%+2) |
| AC Voltage (V) |
40mV/400mV/4V/40V/400V/600V |
±(0.8%+3) |
| DC Current (A) |
400μA/4000μA/40mA/400mA/4A/10A |
±(0.7%+2) |
| AC Current (A) |
400μA/4000μA/40mA/400mA/4A/10A |
±(1%+3) |
| Resistance (Ω) |
400Ω/4kΩ/40kΩ/400kΩ/4MΩ/40MΩ |
±(0.8%+2) |
| Capacitance (F) |
9.999nF/99.99nF/999.9nF/9.999μF/99.99μF
/999.9μF/9.999mF/99.99mF
|
±(4.0%+5) |
| Frequency (Hz) |
10Hz-10MHz |
±(0.1%+4) |
| Features |
| Display Count |
|
4000 |
| Auto Range |
|
√ |
| Manual Range |
|
√ |
| True RMS |
|
√ |
| Bandwidth (Hz） |
|
45Hz ～1kHz |
| V.F.C |
|
√ |
| Duty Cycle |
0.1% ～ 99.9% |
√ |
| Diode |
|
Around 3V |
| NCV |
|
√ |
| Auto Power Off |
Around 15 minutes |
√ |
| Continuity Buzzer |
|
√ |
| Low Battery Indication |
≤2.5V |
√ |
| Data Hold |
|
√ |
| Relative Mode |
|
√ |
| MAX/MIN |
|
√ |
| LCD Backlight |
|
√ |
| Input Protection |
600Vrms |
√ |
| Input Impedance for DCV |
1GΩ Max |
√ |
| General Characteristics |
| Power |
AA1.5*2 |
| LCD Size |
58mm × 36mm |
| Product Colour |
Red and grey |
| Product Net Weight |
370g |
| Product Size |
175mm x 81mm x 48.5mm |
| Standard Accessories |
Battery, test leads |
| Standard Individual Packing |
Gift box, English manual |
| Standard Quantity Per Carton |
40pcs |
| Standard Carton Measurement |
645×450×340mm (0.098CBM per standard carton) |
| Standard Carton Cross Weight |
25.5kg |
