-4-
4. Specifications
Measuring ranges
Earth resistance
0-20Ω / 0-200Ω / 0-2000Ω
Earth voltage
0-200 Vac (40-500Hz)
Accuracy
Earth resistance
±(1.5%rdg+2dgt)
or ±0.1Ω, which is greater
Earth voltage ±(1%rdg+2dgt)
Earth resistance
resolution
0-20Ω : 0.01Ω
0-200Ω : 0.1Ω
0-2000Ω : 1Ω
Testing frequency
820 Hz
Measuring system
Earth resistance by constant
current inverter 820Hz approx
2mA.
Display
3½ digit (2000 counts)
0Ω adjustment
√
Open circuit indication LED will be unlit
Low battery indication “
“symbol appears on the
display
Data hold indication
“
HOLD
“symbol appears on the
display
Over range Indication “1”(MSD)
Dimensions
221(L) × 110(W) × 57(D)mm
