WJBR-10A DC Resistance Tester (I)
1. Overview
The measurement of DC resistance is a required test item for semi-finished and finished products in the manufacturing of inductive coils such as transformers, transformers, reactors, and electromagnetic operating mechanisms, as well as factory testing, installation, handover tests, and preventive tests in the power sector. It can effectively detect manufacturing defects such as material selection, welding, loose connections, missing strands, and broken wires of inductive coils, as well as hidden dangers after operation. In order to meet the need for rapid measurement of DC resistance of inductive coils, our company used its own technical advantages to develop this DC resistance tester. This instrument adopts new power supply technology and has the characteristics of small size, light weight, large output current, wide range, digital display, and internal lithium battery power supply. The whole machine is controlled by a single-chip microcomputer, which automatically completes self-test, data processing, display and other functions, and has automatic discharge and discharge indication functions. The instrument has high testing accuracy, is easy to operate, and can achieve rapid measurement of direct resistance.
2. Performance characteristics
1. The instrument has large output current and is light in weight.
2. The instrument provides 6 levels of output current selection, with a maximum output of 10A.
3. The instrument has a wide measuring range, 0-100KΩ.
4. It has a complete protection circuit and more reliable performance.
5. Lithium-ion battery power supply, convenient for on-site operation.
6. LCD prompts menu operation for easy use.
7. It has audio and liquid crystal indication discharge alarm, and the discharge indicator is clear to reduce misoperation.
3. Technical indicators
1. Output current: automatic, 10A, 5A, 1A, 200mA, 40mA, <5mA
2. Measuring range: 0-0.1Ω (10A)
0.06Ω-1Ω(5A)
0.03Ω-5Ω(1A)
0.1Ω-50Ω(200mA)
0.3Ω-200Ω(40mA)
100Ω-100kΩ(<5mA)
3. Accuracy: 2‰±2μΩ
4. Resolution: 0.1μΩ
5. Working temperature: -20～40℃
6. Environmental humidity: ≤80%RH, no condensation
7. Working power supply: lithium-ion rechargeable battery.
8. Charging power supply: XVE-1260500 (12.6V-3A)
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