ELECTRICAL INSTALATIONS METER

Model No.: MIC2505

NSULATION RESISTANCE MEASUREMENT UP TO 2T IN ACCORDANCE WITH IEC 61557-2
Insulation resistance measurements:
selectable measurement voltage 500, 1000 V or 2500 V,
continuous indication of measured insulation resistance or leakage current value,
automatic discharge of measured object capacitive voltage after the completion of insulation resistance measurement,
acoustic signaling of 5 seconds time intervals to facilitate capturing time characteristics,
metered T1, T2 and T3 test times (15,60 and 600 s or 30,60 and 600 s) for measuring two absorption coefficients (DAR, PI, Ab1, Ab2),
indication of actual test voltage during measurement,
protection against measuring live objects.
Insulation resistance measurement method for two-and three-wire.
Measurement of leakage current during insulation resistance testing.
DC and AC voltage measurement in the range of 0-600 V.
Power supply from battery packs.
The instruments meet the requirements of the EN 61557 standard.

Features:

Measurement of short circuit loop impedance ZL-PE, ZL-N, ZL-L
Test current: 23/40 A; measuring range acc. to IEC 61557
Measurement of earth resistance RE with the 3p and 4p method
test voltage: 25 V or 50 V rms
test current: 20 mA, sinusoidal rms 125 Hz (for fn=50 Hz) and 150 Hz (for fn=60 Hz)
measurement blocked at interference voltage UN > 24 V
maximum measured interference voltage Unmax= 100 V
maximum resistance of auxiliary earth electrodes