Switch Loop Resistance Tester - Yangzhou Darui - Yangzhou Darui Electric Co., Ltd.

Automatic Dielectric Loss Tester - Yangzhou Darui

Switch Loop Resistance Tester - Yangzhou Darui

Published: 2020-07-14 09:12:43

产品价格：0.00

Category: Loop Resistance Tester

Product Description

Switch Loop Resistance Tester采用先进的大功率开关电源技术和先进的电子线路精制而成。是高、低开关、电缆电线及焊缝接触电阻的专用测试仪器。其电流采用国家标准GB736所推荐的100A直流，可在100A电流的情况下测得被试品的电阻值。本仪器具有体积小、重量轻、抗干扰能力强、精度高、操作方便、保护功能完善等特点。

Technical Parameters:

Input: AC220V±20%, 50Hz. Output: DC 0-100A adjustable. Test current: DC 100A. Accuracy: 1.0. Resolution: 1μΩ. Range: 0-1999μΩ.

Overcurrent, overvoltage, overheat protection.

1. Measurement Range: 1~1999μΩ.

Resolution: 1μΩ

3. Test Current: DC 100A.

4. Accuracy: 0.5%±1d.

5. Display: 3½-digit LCD (dual screen).

Power: AC220V±10%, 50Hz

Operating Instructions:

Use 4-terminal method with dedicated test leads. Connect voltage leads inside current leads. Connect AC220V power.CautionAfter test: turn current to minimum, reset switch, cut power.

故障分析与排除：

Symptom	Cause	Remedy	Note
No Display on Startup	1) Power not connected	Connect Power	Replace fuse with same model — no substitutions.
No Display on Startup	2) 5A fuse not installed or open circuit	Reinstall or replace fuse.	Replace fuse with same model — no substitutions.
输出电流达不到100A	1) Test leads too long or cross-section too small	Replace with larger gauge wire.
No Current Output	1) Device under test is open circuit	Check Equipment Troubleshoot
No Current Output	2) Open circuit in test loop	Check test loop and eliminate open circuit.

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