User Guide

34 Clamp-on Ground Resistance Tester Model 6416
7. SPECIFICATIONS
7.1 Reference Conditions
Influencing Parameters Reference Values
Ambient temperature 73°F ± 5°F (23°C ± 3°C)
Relative humidity 50% RH ±10%
Battery voltage 6V ±0.2V
Magnetic field < 40A/m DC (no AC field)
Electric field < 1V/m
Operating position Clamp horizontal
Position of the conductor in the clamp Centered
Measurement environment
No adjacent conductors carrying current
within 10cm
Proximity to magnetic mass > 10cm
Loop resistance
Non-inductive resistance
(20W for the voltage measurement)
Measured current, sinusoidal frequency
Frequency 50/60Hz
Level of distortion < 0.5%
Inferior current in loop resistance
measurement
Zero for the resistance and inductance
measurements
< 3.75A for the voltage measurement
7.2 Electrical
7.2.1 Loop Resistance Measurement
Measurement Range Resolution Accuracy
0.010 to 0.099W 0.001W ±1.5% ±0.01W
0.10 to 0.99W 0.01W ±1.5% ±0.02W
1.0 to 49.9W 0.1W ±1.5% ±0.1W
50.0 to 99.5W 0.5W ±2% ±0.5W
100 to 199W 1W ±3% ±1W
200 to 395W 5W ±5% ±5W
400 to 590W 10W ±10% ±10W
600 to 1150W 50W 20% approx
1200 to 1500W 50W 25% approx
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