Megger 1000-435 Calibration Check Box, 25 Ohms

The Megger 6220-824 calibration check box is used is used to calibrate a Megger DET3 or DET4 ground resistance meter (sold separately). The box increases the accuracy of a ground resistance meter by calibrating the resistance up to 25 ohms. The 6220-824 is used to calibrate a DET3 or DET4 series ground resistance meter.

Megger manufactures equipment for cable fault locating, protective relay testing, telecommunications and data integrity, and power quality testing under multiple brand names, among them Megger, Biddle, States, and AVO. The company, founded in 1889, is headquartered in Dover, England, and meets International Organization for Standardization (ISO) 9001:2008 standards.