The UT39A+ multimeter manufactured by UNI-T is designed for measuring direct and alternating voltage and current, resistance, testing p-n junctions, measuring the gain of transistors, capacitance of capacitors and audio continuity of circuits.
Selection of measurement limits: manual
Indicator - LCD.
Number of indicator digits: 3 1/2
Functions:
-
diode test.
-
audio continuity test
-
measurement of transistor gain.
-
power supply: AA batteries 2 pcs
Characteristics:
1) AC voltage measurement:
|
Range |
Resolution |
Accuracy |
|
4 V |
1 mV |
±1.0%±2D |
|
40 V |
10 mV |
±0.8%±3D |
|
400 V |
100 mV |
±0.8%±3D |
|
750 V |
1 V |
±0.8%±3D |
The AC voltage value is an average value calibrated to the RMS value of the sine wave.
Operating frequency range: 40 - 400 Hz.
Input impedance 10 MΩ for AC voltage.
2) DC voltage measurement:
|
Range |
Resolution |
Accuracy |
|
400 mV |
100 mkV |
±0.5%±5D |
|
4 V |
1 mV |
±0.5%±5D |
|
40 V |
10 mV |
±0.5%±5D |
|
400 V |
0.1 V |
±0.5%±5D |
|
1000 V |
1 V |
±0.7%±3D |
Input impedance 10Mohm.
3) Resistance measurement:
|
Range |
Resolution |
Accuracy |
|
400 ohm |
0.1 ohm |
±1.0%±2D |
|
4000 ohm |
1ohm |
±0.8%±2D |
|
40 Kom |
10 ohm |
±0.8%±2D |
|
400 Kom |
100 ohm |
±0.8%±2D |
|
4 Mohm |
1 Kom |
±1.0%±2D |
|
40 MΩ |
10 Kom |
±1.2%±3D |
|
200 MΩ |
100 Kom |
±5%±10D |
4) Direct current measurement:
|
Range |
Resolution |
Accuracy |
|
40uA |
0.01uA |
±0.8%±3D |
|
400uA |
0.1uA |
±0.8%±3D |
|
4 mA |
1 µA |
±0.8%±3D |
|
40 mA |
10 µA |
±0.8%±3D |
|
400 mA |
100 µA |
±0.8%±3D |
|
10 A |
10 mA |
±1.2%±5D |
5) AC current measurement:
|
Range |
Resolution |
Accuracy |
|
4mA |
1uA |
±1%±2D |
|
40 mA |
10 µA |
±1%±2D |
|
400 mA |
100 µA |
±1.0%±2D |
|
10 A |
10 mA |
±1.5%±3D |
Frequency range: 40Hz ~ 400Hz.
6) Measuring the capacitance of capacitors:
|
Range |
Resolution |
Accuracy |
|
4 nF |
1 pF |
±4%±10 |
|
40 nF |
10 pF |
±4%±10D |
|
400 nF |
100 pf |
±4%±5D |
|
4 µF |
1 nF |
±4%±5D |
|
40 µF |
10 nF |
±4%±5D |
|
400 µF |
100 nF |
±4%±5D |
|
10000 µF |
10 µF |
±10% |
* D-unit of the lower order.
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The data presented in the product description are for reference only and may differ from those indicated by the manufacturer.
