Electrical Installation Tester
Specifications
87
Earth Resistance Test (R
E
)
Models 1663 and 1664 only.
Range Resolution Accuracy
200 Ω 0.1 Ω ±(2 % + 5 digits)
2000 Ω 1 Ω ±(3.5 % + 10 digits)
Range: R
E
+ R
PROBE
[1]
Test Current
2200 Ω
3.5 mA
16000 Ω 500 μA
52000 Ω 150 μA
[1] Without external voltages
Frequency Output Voltage
128 Hz 25 V
Live Circuit Detection
Inhibits test if terminal voltage >10 V ac is
detected prior to start of test.
Auto Test Sequence
Models 1664 FC only.
Meets the specifications of the individual tests.
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