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th0200 dc current ratio standard


工作频率范围为 dc ~ 5 khz


正向直流比例精度最高可达 0.5 ppm


model th0200, a series of high-precision dc current ratio standards, can measure dc current in forward and reverse directions. operating frequency range is from dc to 5 khz, primary input and secondary output are completely electrically isolated.

forward dc ratio accuracy is up to ±0.5 ppm. combine with 8½ digital multimeters (or nanovoltmeters) and 2 the model th0310 - 1 ω high-power reference resistors, to obtain self-tracking accuracy of dc current with the optimal uncertainty from 0.5 ppm to 2 ppm.


 ultra-precision dc current measurement

● calibrate precision dc current comparators

 calibrate dc current sensors

 calibrate dc high-current standard sources

 calibrate precision dc shunts

 calibrate dc power or electrical energy

electrical specifications


general specifications

 line power: 220v ±22 v, 50hz ±2 hz

 operating environment: +18 °c to +28 °c, r·h from 20 % to 85 %, non-condensing

 storage environment: 0 °c to +40 °c, r·h <95 %, non-condensing

related products

model th0310 reference high-power standard resistors


model td2010 dc high-current standard


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