... X,Y,Z three direction,3 times each) Noise resistanceNoise voltage 1,000VP-P noise amplitude 1ns 1 frequency 30 ~ ... ,between power port and earth terminal. Insulation resistanceDC500V insulation tester test above 5MΩ, meet JEM-1021 standards,between power ... of earth connection(do not share one place with high voltage system) *1Operating environmentClose corrosive,combustible gas, No large electrical ...