Cropico RH9A-3 High Resistance Decade Box
The Cropico RH9A-3 is a high resistance, high voltage decade resistance box that has been designed using the Cropico high quality SP1 switch and specially selected resistors. The RM9A-3 resistance calibration box is ideal for the calibration of insulation test equipment that has a voltage rating of up to 5kV. This high precision resistor substitution box has three decades for resistance measurement from 1 Mega ohm to 1 Tera ohm, perfectly suitable for use in both the laboratory workshop or in the field. With a resolution of 1kΩ and an accuracy from 0.1% to 2% depending on resistor setup, this decade resistor box is a very precise instrument with an incredible range of high ohm resistance decades available for high voltage test equipment. The RH9A pictured above is for illustration purposes.
Decade Accuracy Max V/Step Power Rating 10 x 1MΩ ±0.1% 500V 1 Watt 10 x 10MΩ ±1% 4000V 1.5 Watts 10 x 100MΩ ±1% 4000V 1.5 Watts 10 x 1GΩ ±1% 4000V 3.5 Watts 10 x 10GΩ ±1% 5000V 3.5 Watts 10 x 100GΩ ±2% 5000V 1.3 Watts
- Voltage Coefficient: 1ppm/V
- Temperature Coefficient: 50ppm/°C - 2000ppm/°C
- Dimensions: 460 x 380 x 160mm
- Weight: 8kg
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