Suitable for checking the accuracy of insulation testers, this calibrated check box can measure a wide range of values with four resistors connected to the unit to check resistance readings with test voltages up to 5 kV DC. Get a calibration certificate with each check box showing the actual value of each resistance checkpoint.
Suitable for checking the accuracy of insulation testers, this calibrated check box can measure a wide range of values with four resistors connected to the unit to check resistance readings with test voltages up to 5 kV DC. Get a calibration certificate with each check box showing the actual value of each resistance checkpoint.
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