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Building 6, Optics Valley Electromechanical Industrial Park, No. 84 Gaoxin 5th Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province
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Wuhan Ultra High Voltage Power Technology Co., Ltd
DC resistance speed tester
NegotiableUpdate on 05/06
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Overview
The measurement of DC resistance is a necessary item for semi-finished and finished product factory testing, installation, handover testing, and preventive testing in the manufacturing of inductive coils such as transformers, transformers, reactors, and electromagnetic operating mechanisms. It can effectively detect manufacturing defects such as material selection, welding, loose connection parts, missing strands, and broken wires of inductive coils, as well as hidden dangers after operation. In order to meet the needs of rapid measurement of DC resistance in inductive coils, our company has developed a DC resistance speed tester using our own technological advantages.
Product Details
Product parameters
technical parameters
| output current | Six level testing: 20A, 10A, 5A, 2A, 100mA,<5mA |
| Range | 20A: 100. Mu. M to 1. Omega.. |
| 10A: 500. Mu. M to 2. Omega.. | |
| 5A：1mΩ～4Ω | |
| 2A：5mΩ～10Ω | |
| 100mA：100mΩ～200Ω | |
| <5mA：200Ω～100kΩ | |
| resolution | 0.1 μ Omega |
| accuracy | 0.2% ± |
| Operating Temperature | 0～40℃ |
| ambient humidity | ≤90%RH， no condensation |
| working power supply | AC220V±10%，50Hz±1Hz |
| Overall dimensions | 400mm*340mm*195mm |
| Instrument weight | 8.6kg |
Product features
1DC resistance speed testerProvide 6 output current options, maximum current: 20A, minimum current:<5mA, suitable for measuring DC resistance of more types of transformers and transformers.
2DC resistance speed testerThe measurement range is wide from 100 μ Ω to 100k Ω.
3. Faster response speed, can directly switch to on load tap changer in measurement state, and the instrument automatically refreshes data.
4. The instrument has an audio discharge alarm function, clear discharge indication, and reduces misoperation.
5. Protection function *, can reliably protect against the impact of back electromotive force on the instrument, and has more reliable performance.
6. The instrument adopts a 7-inch color LCD screen, with a clear and beautiful interface display. And it can print and output the results in real time.
7. Built in Chinese and English operating interfaces, which can be freely switched according to customer needs.
8. Equipped with RS485 communication interface, it can transmit test data to the background.
9. The local storage capacity is large, and it can store up to 500 test records.
10. Equipped with a USB interface, it can transfer test data to a USB drive.
11. The parameter settings are more precise, allowing for the setting of the transformer's test winding, tap position, test phase, test sample temperature, converted temperature value, etc.
12. This instrument adopts an industrial plastic shell chassis, which is easy to carry and improves its service life.
