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LDHL-600B智能回路接触电阻测试仪

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      产品别称


智能回路电阻测试仪、智能接触电阻测试仪、接触电阻测试仪、开关回路电阻测试仪、接触回路电阻测试仪

      产品简介


智能回路接触电阻测试仪是用于测量开关、断路器、变压器等设备的接触电阻、回路电阻的专用测试设备。其采用典型的四线制测量法,通过输出一个直流电流,施加于被测体的两个端钮之间,并测量电流流过被测体所产生的压降,然后通过电压和电流之比得出被测体的直流电阻。主要由恒流源、前置放大器、A/D转换器、指示装置等部分组成。
Loop resistance tester is the special test equipment for measuring the contact resistance and loop resistance of some devices such as switch, circuit interrupter, and transformer and so on. It adopts the typical four-wire method of measurement which helps get the DC resistance through the following steps: outputting a DC current, applying the current to the tested body by linking its two terminals, and measuring the voltage drop when the current goes through the tested body, then dividing the current by the voltage. In addition, it mainly consists of constant current source, preamplifier, A/D converter, indicating device and so on.
 

      产品特征


1  结合硬软件设计:智能回路接触电阻测试仪采用高精密电子线路和高性能单片机,使得仪器具有测量速度快,数值稳定,重复性能好等特点。
1)Design with hardware and software: endowing the instrument with some features such as high measuring speed, numerical stability, and good repeatability and so on by using electronic circuit of high precision and SCM of high performance. 
2  实时监测显示现场电阻值、电流值。
2) Real-time monitor will display site resistance and current.
3  电流持续时间1分钟以上,完全符合JJG 1052-2009回路电阻检定规程。
3) If the duration of current is over 1 minute, it completely accords with the verification regulation of JJG 1052-2009 loop resistance.
智能回路接触电阻测试仪 测试电流来自高精度的100A/200A/600A开关式恒流电源,无需人工调节,测试迅速准确。
4) A 100A/200A/600A switch constant-current supply of high precision, for testing the current, can test quickly and accurately without manual adjustment.
5  具有打印、存储、实时查看数据等功能。
5) It has the functions of printing, storing, real-time viewing data and so on.
6  采用了大屏幕汉字显示、菜单操作,界面友好,一目了然,方便操作。
6) It is with a large screen to display characters, menus to operate, and friendly interfaces to understand and process easily.
7  微型打印机为热敏式打印机,速度快,表面可直接安装打印纸。
7) Miniature printer is thermal printer with fast speed, which can be installed printing paper directly. 
8  具有电压正负极之间及电流正负极之间互换接线测量功能。
8) It can also measure when exchanging wirings between positive and negative poles of voltage, and between positive and negative poles of current.
9  智能回路接触电阻测试仪通过RS232串行口对设备内的数据进行管理,实现无纸化办公。
9) Manage the data of equipment through serial port RS232 instead of paper.

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