The TRM-203 is a? three phase transformer winding resistance meter that allows the user to connect all test cables to the transformer bushings. The unit will then measure the transformer resistance value for each of the phases without the need to disconnect and reconnect cables for each phase. The TRM-203 can provide a fast and stable reading of very large transformers by utilizing a 60Vdc power supply. It is capable of outputting a selectable test current from 1A to 25A. Since the TRM-203 can accurately measure resistance from 1 micro-ohm to 2000 Ohms, it can be used as a micro-ohm meter to measure EHV circuit breaker contact resistance, or for any low resistance measuring application.
- Perform three phase test on a transformer without the need to switch cables
- Can provide individual Delta winding resistance values
- Can provide individual Wye (with no neutral) winding resistance values
- Demagnetize transformer after test
- Selectable test current from 1A to 25A
- Computer control via RS-232C, USB, or Bluetooth interface
- Built-in 2.5″ wide thermal printer
TRM-203是一款三相变压器绕组电阻表，允许用户将所有测试电缆连接到变压器套管。然后，该单元将测量每个相的变压器电阻值，而无需断开和重新连接每相的电缆。TRM-203可以利用60Vdc电源为大型变压器提供快速稳定的读数。它能够输出1A至25A的可选测试电流。由于TRM-203可以精确测量从1微欧到2000欧姆的电阻，因此它可以用作微欧姆表来测量高压断路器的接触电阻，或用于低电阻测量应用。
- 在变压器上进行三相测试，无需切换电缆
- 可以提供单独的Delta绕组电阻值
- 可以提供单独的Wye（没有中性）绕组电阻值
- 测试后退磁变压器
- 可选择的测试电流为1A至25A
- 通过RS-232C，USB或蓝牙接口进行计算机控制
- 内置2.5“宽热敏打印机
三相绕组电阻测试仪（测试电流可达25A，具有自动放电和消磁功能）
产品功能和性能：
主要用来测量变压器绕组、旋转电机绕组的直流电阻，或者任何感性设备的直流电阻。
产品卖点：
1）三相变压器绕组电阻测试仪；
2）测试电压为60V，最大测试电流为25 A；
3）能够计算出三角形联结的每个绕组的电阻值；
4）能够计算出没有中性点的星型绕组的电阻值；
5）计算任何温度下的等效电阻值；
6）每次测试后能自动放电和消磁，从而保障测试人员的安全；
7）使用电阻图表来检测LTC触点的先通后断状态；
8）USB 闪存，USB、RS-232及蓝牙通讯接口；
9）单机或电脑控制运行。
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