DO3020G DC energy meter calibration device
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DO3020G DC energy meter calibration device
This device is now a 0.05 level calibration device trial-produced in accordance with the State Grid Corporation of China’s corporate standards *Q/GDW1826-2013 "Technical Specifications for DC Energy Meter Calibration Devices" and Q/GDW1825-2013 "Technical Specifications for DC Energy Meters".
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