Resistance measurement: |
Test voltage 250 V : 0.05 MΩ ... 250 MΩ Test voltage 500 V : 0.05 MΩ ... 500 MΩ Test voltage 1000 V : 0.05 MΩ ... 1000 MΩ |
Measuring accuracy: |
0.05 MΩ ... 1000 MΩ ± (5% + 5) |
Open circuit voltage: |
Test voltage ± 10 % |
Test current: |
0.9 mA ... 1.1 mA |
Short-circuit current: |
< 1.8 mA |
AC voltage measurement: |
0 V ... 440 V ± (2% + 3) @ 1 V |
DC voltage measurement: |
0 V ... ± 440 V ± (2% + 3) @ 1 V |
Measurement of small resistances: |
0.01 Ω ... 200 Ω ± (2% + 5) |
Frequency measurement: |
20 Hz ... 100 Hz - for reference only |
Test of RCDs: |
Working voltage: 220V ± 10 % Test current: 10mA / 30mA / 100mA / 300mA / 500mA Switch-off time ranges :
- 0 ... 2000 ms ± (5% + 5) @ 1/2 x nominal value of the residual current
- 0 ... 500 ms ± (5% + 5) @ 1 x nominal value of the residual current, Selective RCD
- 0 ... 500 ms ± (5% + 5) @ 2 x nominal value of the residual current, Selective RCD
- 0 ... 300 ms ± (5% + 5) @ 1 x nominal value of the residual current
- 0 ... 300 ms ± (5% + 5) @ 2 x nominal value of the residual current
- 0 ... 40 ms ± (5% + 5) @ 5 x nominal value of the residual current
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RCD tripping current measurement: |
Increasing current test: 10 mA / 30 mA / 100 mA / 300 mA / 500 mA ± 10 % |
RCD automatic test: |
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Phase sequence test: |
100 V ... 440 V / 45 Hz ... 65 Hz |
Continuity measurement of protective and equalizing conductors: |
0 Ω ... 199 Ω ± (2% + 5) Measuring current > 20 mA @ 0 ... 2 Ω |
Line impedance measurement (L-N): |
0.05 Ω ... 1.99 Ω ± (5% + 5) 2 Ω ... 19.99 Ω ± (5% + 5) 20 Ω ... 2000 Ω ± (5% + 5) Measuring current : 20 A / 20 ms Measuring range of prospective short-circuit current : 0 ... 26 kA |
Short circuit loop impedance measurement (L-PE): |
0.05 Ω ... 1.99 Ω ± (5% + 5) 2 Ω ... 19.99 Ω ± (5% + 5) 20 Ω ... 2000 Ω ± (5% + 5) Measuring current : 20 A / 20 ms Measuring range of prospective short-circuit current : 0 ... 26 kA |
Automatic change of measuring ranges: |
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RS-232: |
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USB: |
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Main features: |
Warning of using high voltage during the measurement, Phase switch 0° / 180° during RCD test, Automatic identification of AC/DC voltage, Reset function for measuring low resistances, Large, readable LCD display with backlight, Buzzer, Automatic power-off, Low battery indicator, Aesthetic and solid construction |
Operation temp: |
0 °C ... 40 °C |
Permissible relative humidity: |
≤ 85 % (non-condensing) |
Power supply: |
8 x 1.5V, type AA/LR6/FR6 battery - included |
Weight: |
1.1 kg |
Dimensions: |
210 x 175 x 90 mm |
Manufacturer / Brand: |
UNI-T |
Guarantee: |
2 years |