检测认证人脉交流通讯录
- 技术规格-> Technical Specification ->
SB2014型精密大电流低阻箱采用温度系数低、电阻率大、稳定性高的材料精制而成。
SB2014 Precise DC Low Resistance Box is formed by material of low temperature coefficient, high power resistance and high stability.
详细指标-> Detail Specification ->
1. 电阻值范围： 10m Ω、 50m Ω、 100m Ω、 150m Ω、 200m Ω、 250m Ω、 300m Ω、 350m Ω、 400m Ω、 500m Ω ;
Resistance value range ： 10m Ω、 50m Ω、 100m Ω、 150m Ω、 200m Ω、 250m Ω、 300m Ω、 350m Ω、 400m Ω、 500m Ω ;
2. 最大允许误差Maximum permissible error：±(0.2%R+0.05mΩ)；
Maximum permissible error：±(0.2%R+0.05mΩ)
3．标称频率范围上限Upper limit of nominal frequency range：200Hz;
Upper limit of nominal frequency range：200Hz;
4．最大工作电流Maximum working current：30A;
Maximum working current：30A;
合用场合-> Suitable Situation ->
该电阻箱具有工作电流大、散热效果好、性能可靠、结构新颖等优点，适用于工厂、学校和科研单位作精密大电流低阻值电阻标准。特别适用于检定/校准大电流接地电阻测试仪。
SB2014 Precise DC Low Resistance Box has its own features such as high working voltage, good abstraction of heat efficiency, stable performance and novel configuration. It is suitable to be used as Standard Precise DC Low Resistance Box, and especially for testing & calibration High Voltage Earth Loop Tester.
