AHL-V type circuit resistance instrument is based on the latest T845.4~2004 DL/T845.1~DL/ electric power industry standard of the people's Republic of China shall not be less than 100A and the current duration of DC high voltage circuit breaker with main loop resistance measurement of not less than 60 seconds using the product requirements, high frequency switching power supply technology and new development, digital circuit technology developed. Small volume, light weight, liquid crystal display, due to the constant current output, current persistent shock time adjustable and other new technology, greatly improve the test precision of the instrument. The instrument has the advantages of simple operation, convenient carrying, applicable to high voltage switch contact resistance test, the combination of electrical contacts and other electrical equipment to micro ohm value.
Technical parameters
The working power supply: AC220V + 10%
The measurement range: 0~1999.9 Mu Omega automatic range conversion
The working mode: continuous
The output current: >100A continuous output, 5 seconds, 30 seconds, 60 seconds optional;
The resolution: 0.01 ohm
The measuring accuracy: 0.5%
If the connection is not good or ultra range automatic warning instrument.
The display: LCD and latches
The use of the environment: the temperature of -10 DEG ~+40 DEG
Light weight: 3Kg
* volume: 275 x 230 x 165mm3
AHL-V型回路电阻测试仪是依据中华人民共和国电力行业最新标准DL/T845.1~DL/ T845.4~2004对高压断路器主回路电阻测量用直流应不小于100A且电流持续时间不小于60秒的要求,采用高频开关电源技术及数字电路技术研制、开发出的新产品。体积小、重量轻、液晶显示,由于采用恒流输出、电流持续冲击时间可调等新技术,大大提高了仪器的测试精度。仪器操作简单,便于携带,适用于测试高压开关、组合电气触头的接触电阻及其它电气设备的微欧值。
技术参数
※工作电源:AC220V±10%
※测量范围:0~1999.9μΩ自动量程转换
※工作方式:连续
※输出电流:>100A持续输出,5秒、30秒、60秒可选;
※分辨率: 0.01μΩ
※测量精度:0.5%
※连接线接触不好或超量程仪器自动报警。
※显示方式:液晶显示并锁存
※使用环境:温度-10℃~+40℃
※重 量:3Kg
※体 积:275×230×165mm3