Universal meter UT-139B UNI-T
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Product Description
UT-139B is a universal digital meter used for measuring: voltage, current, resistance, capacitance, frequency and checking the correctness of diodes. The meter has a function of automatic change of measurement ranges, as well as a relative measurement mode. The device also has a built-in battery tester. For AC measurements, a filter has been built into the device to eliminate high-frequency interference that can affect measurement accuracy (VFC). In addition, it has an electric field detection function (NCV).
| DC voltage measurement: | 40 mV ± (0.7% + 2) @ 10 µV , 400 mV ± (0.5% + 2) @ 0.1 mV , 4 V ± (0.7% + 3) @ 1 mV , 40 V ± (0.7% + 3) @ 10 mV , 400 V ± (0.7% + 3) @ 0.1 V , 600 V ± (0.7% + 3) @ 1 V |
| AC voltage measurement: |
40 mV ± (1% + 3) @ 10 µV , 400 mV ± (1% + 3) @ 0.1 mV , 4 V ± (0.8% + 3) @ 1 mV , 40 V ± (0.8% + 3) @ 10 mV , 400 V ± (0.8% + 3) @ 0.1 V , 600 V ± (1% + 3) @ 1 V,
200 V ... 600 V ± (4% + 3) @ 0.1 V / 1 V |
| DC current measurement: | 400 µA ± (0.7% + 2) @ 0.1 µA , 4000 µA ± (0.7% + 2) @ 1 µA , 40 mA ± (0.7% + 2) @ 10 µA , 400 mA ± (0.7% + 2) @ 0.1 mA , 4 A ± (1% + 3) @ 1 mA , 10 A ± (1% + 3) @ 10 mA |
| AC current measurement: | 400 µA ± (1% + 3) @ 0.1 µA , 4000 µA ± (1% + 3) @ 1 µA , 40 mA ± (1% + 3) @ 10 µA , 400 mA ± (1% + 3) @ 0.1 mA , 4 A ± (1.2% + 3) @ 1 mA , 10 A ± (1.2% + 3) @ 10 mA |
| Resistance measurement: | 400 Ω ± (1% + 2) (not included) @ 0.1 Ω , 4 kΩ ± (0.8% + 2) @ 1 Ω , 40 kΩ ± (0.8% + 2) @ 10 Ω , 400 kΩ ± (0.8% + 2) @ 100 Ω , 4 MΩ ± (1.2% + 2) @ 1 kΩ , 40 MΩ ± (1.5% + 3) @ 10 kΩ |
| Capacitance measurement: | 9.999 nF ± (4% + 10) - in relative measurement mode @ 1 pF , 99.99 nF ... 999.9 µF ± (4% + 5) @ 10 pF ... 0.1 nF , 9.999 mF ... 99.99 mF ± 10% (≤2 mF) @ 1 µF ... 10 µF |
| Inductance measurement: | No |
| Frequency measurement: | 9.999 Hz ... 9.999 MHz ± (0.1% + 4) @ 0.001 Hz ... 0.001 MHz , 1 % ... 99.9 % @ 0.1 % |
| Rectangular signal fill factor measurement: | Yes |
| Temperature measurement: | No |
| Automatic change of measurement ranges: | Yes |
| hFE: | No |
| Diode test: | Yes |
| Circuit continuity indication: | Yes |
| TTL logic state checking: | No |
| RS-232: | No |
| Selected features: |
|
| Power supply: | 2 x Battery 1.5V, type AA/LR6/FR6 - included. |
| Weight: | 0.42 kg |
| Dimensions: | 176 x 81 x 48 mm |
| Manufacturer/Brand: | UNI-T |
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