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th0310 high-power reference resistor

超精密电流比率测量及精密互感器 / 传感器校准的理想选择


标称电阻值 0.1 ω  1 ω 可选

短时最大功率达 15 w

温度系数低至 0.05 ppm / °c

二次标称电压均为 1 v


model th0310, a series of high-power reference resistors, the short-term maximum power is up to 15 w, the tc is as low as 0.005 ppm/°c, the nominal resistance is from 0.1 ω to 1 ω.

applied to measure current ratio and ultra-precision current, and to calibrate precision transformers, precision sensors, metrology laboratory resistors, multifunction calibrators and high-precision digital multimeters.


 the nominal voltage is 1 v.

 low emf and tc, high stability.

 directly operate at room temperature (+18 °c to +28 °c), no need to be placed in a constant temperature oil tank or air tank.

 small size, light weight and high overload.

electrical specifications



ac current


general specifications

 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

 dimensions (w × h × d): 100 mm × 100 mm × 80 mm

 weight: 0.5 kg

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