Reference Standard Meter is a primary reference standard to calibrate energy meters Accuracy class 0.05 Voltage range 30V … 480V (P-N) Current range 10mA … 120A Frequency 45 … 65Hz
Reference Standard Meter (RSM) Features Accuracy class 0.02/ 0.05 Voltage range 30V … 560V (P-N) Current range 1mA … 120A Frequency 40 … 70Hz Input pulse …