Yixing Zhongrui WEB ctrelay COM. EMAIL hongjuanshiyahoo (at) COM Features: Sampling resistor accurate, stable, complete specifications, resistance, installation diameter, pitch and sampling line installed can customized according to customer requirements. Main purpose was for electronic energy meter for power measurement precision measuring devices. Use of environmental conditions: ambient temperature -25 ℃ - +55 ℃, relative humidity ≤ 95%, temperature 40 ℃, atmospheric pressure 86Kpa-106Kpa.Main purpose was for electronic energy meter for power measurement precision measuring devices .High standardization, universal, simplified lines, high sensitivity.