Clamp-on ground resistance testers can be used in multi-grounded (MEN) systems without disconnecting or de-energizing the ground system under test it.
The Model 6416 simply clamps around the grounding electrode or conductor and measures the resistance to ground. By performing measurements on intact ground systems, the user also verifies the quality of the grounding connections and bonds. Resistance and continuity of grounding loops around pads and buildings may also be measured.
Test frequency selection provides more accurate results in inductive environments
Touch voltage indication indicates the voltage on the display along with a warning buzzer when the voltage derived from current and resistance measurements detect a potentially dangerous touch condition
Loop resistance indication alerts the user to the fact that the measurement may not be ground resistance
The Model 6416 includes a high sensitivity measurement function enabling measurement of leakage current flowing to the ground or circulating in ground loops from 0.2mA to 40A and resistances from 0.01 to 1500O. It also offers battery life information at power-up and Auto Power OFF power management. The Buzzer and Auto Power OFF features may be disabled at any time.
Touch voltage is displayed to alert the user to potentially unsafe conditions
Large multi-function, bright yellow organic display (OLED) is visible in all lighting conditions
Selectable test frequency improves accuracy in inductive environments
Differentiates between loop and ground resistance measurements.
Data storage (O, A, V and µH with time-stamping): Stores up to 300 measurements
Easy clamp opening via a force compensation trigger system with a 35mm clamp diameter
Ground electrode system resistance
Tower grounding verification
Ground measurements on Railroad signalling systems
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