Standard Resistor is exclusive used for calibration of grounding resistance tester, equipotential tester and other instrument.
1. Model No.: ETCR3900
2. Resistance Range : 0.001Ω~100KΩ
3. Connection Wire Method: 4-wire method
4. Temperature Coefficient : ±25ppm
5. Test Line : 4PCS
6. Power : 1/2W
ETCR3900 Standard Resistor is composed of 9 pieces 1/2w high-precision military-grade wire-wound resistors. When calibrating resistors, direct shift and test without replacing the test line. The performance is stable and the structure is solid, especially convenient for calibration test. adopt military-grade wire wound resistor which the highest accuracy of 0.05%, the resistance value including 1mΩ, 10mΩ and 100mΩ, 1Ω, 10Ω, 100Ω , 1kΩ, 100kΩ fully meet the national weather service 31 order "lightning protection device detection qualification management approach" specified in the range of 10-3 ~ 105 Ω. This standard resistance is mainly used for calibration of ground resistance tester, equipotential tester and other instruments. It is widely used in building quality inspection station, supervision company, construction company, lightning protection company, electric power department, etc.
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