Metrel MI 3121H Insulation/Continuity Tester (100 GΩ; 100 ~ 2500 V)

Insulation resistance (test voltages 100 VDC and 250 VDC) (Measuring range/Resolution/Accuracy) :

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

20.0 ... 199.9 MΩ / 0.1 MΩ / ±10 % of reading

200 ... 999 MΩ / 1 MΩ / ±20 % of reading

Insulation resistance (test voltages 500 VDC, 1000 VDC and 2500 VDC) (Measuring range/Resolution/Accuracy):

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

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

200 MΩ ... 999 MΩ / 1 MΩ / ±5 % of reading

1.00 GΩ ... 4.99 GΩ / 10 MΩ / ±10 % of reading

5.00 GΩ ... 19.99 GΩ / 10 MΩ / ±20 % of reading

20.0 GΩ ... 99.9 GΩ / 100 MΩ / ±20 % of reading

Internal Test Voltage Readback (Measuring range/Resolution/Accuracy):

0 V ... 1999 V / 1 V / ±(3 % of reading + 3 digits)

2.00 kV ... 3.00 kV / 10 V / ±3 % of reading

Dielectric absorption ratio DAR, Polarization index PI (Measuring range/Resolution/Accuracy):

0.01 ... 9.99 / 0.01 / ±(5 % of reading + 2 digits)

10.0 ... 100.0 / 0.1 / ±5 % of reading

Continuity (200 mA) (Measuring range/Resolution/Accuracy):

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

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

200 ... 1999 Ω / 1 Ω / ±10 % of reading

Open-circuit voltage: 6.5 VDC ... 9 VDC

Measuring current: min. 200 mA into 2 Ω load

Continuity (7 mA) (Measuring range/Resolution/Accuracy):

0.0 ... 19.9 Ω / 0.1 Ω / ±(5 % of reading + 3 digits)

20 ... 1999 Ω / 1 Ω / ±10 % of reading

Voltage (True RMS) (Measuring range/Resolution/Accuracy):

0.00 ... 9.99 V / 0.01 V / ±(3 % of reading + 3 digits)

10.0 ... 99.9 V / 0.1 V / ±(3 % of reading + 3 digits)

100 ... 550 V / 1 V / ±(3 % of reading + 3 digits)

Nominal frequency range: 0 Hz, 15 Hz ... 500 Hz

Frequency (Measuring range/Resolution/Accuracy):

0.00 ... 19.99 Hz / 0.01 Hz / ±(0.2 % of reading + 1 digit)

20.0 ... 199.9 Hz / 0.1 Hz / ±(0.2 % of reading + 1 digit)

200 ... 500 Hz / 1 Hz / ±(0.2 % of reading + 1 digit)

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

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

Protection classification: double insulation

Pollution degree: 2

Protection degree: IP 40

Display: custom liquid crystal display with backlight

Memory: 1900 measurements

Dimensions (w x h x d): 14 cm x 8 cm x 23 cm

Weight (without batteries): 0.85 kg

Datasheet