Metrel MI 3125 Multifunctional Electrical Installation Tester (50 V ~ 1000 V; 1000 MΩ)

Continuity (200 mA with polarity change)

0.00 Ω ... 19.99 Ω / 0.01 Ω / ±(3 % of reading + 3 digits)

20.0 Ω ... 199.9 Ω / 0.1 Ω / ±5 % of reading

200 Ω ... 1999 Ω / 1 Ω / ±5 % of reading

Insulation Resistance

Test Voltage 50, 100, 250 VDC:

0.00 MΩ ... 19.99 MΩ / 0.01 MΩ / ±(5 % of reading + 3 digits)

20.0 MΩ ... 99.9 MΩ / 0.1 MΩ / ±10 % of reading

100.0 MΩ ... 199.9 MΩ / 0.1 MΩ / ±20 % of reading

Test Voltage 500 VDC, 1 kVDC:

0.00 MΩ ... 19.99 MΩ / 0.01 MΩ / ±(5 % of reading + 3 digits)

20.0 MΩ ... 99.9 MΩ / 0.1 MΩ / ±5 % of reading

200 MΩ ... 999 MΩ / 1 MΩ / ±10 % of reading

RCD Test

Contact voltage Uc:

0.0 V ... 19.9 V / 0.1 V / (-0% / +15%) of reading ±10 d.

20.0 V ... 99.9 V / 0.1 V / (-0% / +15%) of reading

Trip-out time:

0 ms ... 40.0 ms / 0.1 ms / ±1 ms

0 ms ... max. time / 0.1 ms / ±3 ms

Trip-out current:

0.2 x IΔN ... 2.2 x IΔN / 0.05 x IΔN / ±0.1 x IΔN

Loop & Line Impedance

0.00 Ω ... 9.99 Ω / 0.01 Ω / ±(5 % of reading + 5 digits)

10.0 Ω ... 99.9 Ω / 0.1 Ω / ±(5 % of reading + 5 digits)

100 Ω ... 999 Ω / 1 Ω / ±10 % of reading

1.00 kΩ ... 9.99 kΩ / 10 Ω / ±10 % of reading

Voltage & Frequency

Voltage: 0 V ... 550 V / 1 V / ±(2 % of reading + 2 digits)

Frequency:

0.00 Hz ... 9.99 Hz / 0.01 Hz / ±(0.2 % of reading + 1 digit)

10.0 Hz ... 499.9 Hz / 0.1 Hz / ±(0.2 % of reading + 1 digit)

Earth resistance (3-wire)

0.00 Ω ... 19.99 Ω / 0.01 Ω / ±(5 % of reading + 5 digits)

20.0 Ω ... 199.9 Ω / 0.1 Ω / ±(5 % of reading + 5 digits)

200 Ω ... 9999 Ω / 1 Ω / ±(5 % of reading + 5 digits)

General Data

Power supply: 6 x 1.5 V alkaline or 6 x 1.2 V rechargeable batteries, size AA

Overvoltage category: 600 V / CAT III; 300 V / CAT IV

Protection class: Double insulation

COM port: RS232 and USB

Dimensions: 140 x 80 x 230 mm

Weight: 1.0 kg

Datasheet