User Guide

Clamp-on Ground Resistance Tester Model 6416 35
Measurement Frequency: 2083Hz
Frequency Selection: Choice of 50, 60, 128, or 2083Hz for the impedance
calculation
Maximum overloads: - permanent current 100A maximum (50/60Hz)
- transient current (<5s) 200A (50/60Hz)
7.2.2 Loop Inductance Measurement
Measurement Range Resolution Accuracy
10 to 100µH 1µH ±5% ±1µH
100 to 500µH 1µH ±3% ±1µH
7.2.3 Contact Voltage (Touch Voltage)
Contact Voltage Function: Value calculated as the product of the loop
impedance by the leakage current.
Measurement Range Resolution Accuracy
0.1 to 4.9V 0.1V ±5% ±0.1V
5.0 to 49.5V 0.5V ±5% ±0.5V
50.0 to 75.0V 1V ±10% ±1V
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7.2.4 Current Measurement
Ammeter Function: 0.2 to 40A. 4000-count display.
Measurement Range Resolution Accuracy
0.200 to 0.999mA 1µA ±2% ±50µA
1.000 to 2.990mA
3.00 to 9.99mA
10µA ±2% ±50µA
10.00 to 29.90mA
30.0 to 99.9mA
100µA ±2% ±100µA
100.0 to 299.0mA
0.300 to 0.990A
1mA ±2% ±1mA
1.000 to 2.990A
3.00 to 39.99A
10mA ±2% ±10mA
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