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| Categories | Electrical Test Instrument |
|---|---|
| Brand Name: | AI |
| Model Number: | WRT |
| Certification: | ISO |
| Place of Origin: | China |
| MOQ: | 1 Set DC Resistance Tester |
| Price: | Negotiable |
| Payment Terms: | T/T, Western Union, L/C |
| Supply Ability: | 1000 sets per month |
| Delivery Time: | 15 days |
| Packaging Details: | Micro Ohmmeter packed in plywood case |
| Power supply: | AC220V±10%, 50Hz/60Hz |
| Display: | LCD |
| Measuring current: | 5A,10A,20A,40A |
| Resolution: | 1μΩ |
| Warranty: | 1 Year |
| Keyword: | DC Resistance Tester,Micro Ohmmeter |
| Test object: | Transformers |
| Max.error: | 0.2%RDG+2D |
| Company Info. |
| Advanced Instruments Co.,Limited |
| Verified Supplier |
| View Contact Details |
| Product List |
Transformer Winding Coil DC Resistance Tester Micro Ohmmeter
I. Introduction:
Transformer DC Resistance Tester uses Constant current source to
measure the DC resistance of inductance circuit such as power
transformer coil , current transformer coil and so on.
This winding resistance meter has functions of self test, data
processing, discharge rapidly, result print and so on.
II. Functions:
A new switching power supply technology makes output current more
stable and power larger than before.
This coil resistance tester has an advanced signal process circuit which has a good performance at anti-noise. Test data is precise and stable.
The dc resistance meter has protections to prevent circuit over-current, circuit over-voltage, wrong operation, discharge and so on.
This micro ohmmeter is small size, light weight and more suitable for outdoor using.
Varies levels of output current make measuring range more wide.
Large-screen LCD makes operation easy.
III.Specifications
| Item | WRT-2 | WRT-10 | WRT-20 | WRT-40 | WRT-100 | WRT-20S |
| Test current | 2A | 10A | 20A | 40A | 25A,50A, 100A | Single phase: 1A, 5A,10A, 20A, 40A Three phase: 1A, 5A,10A, 20A |
| Measuring range | 1μΩ~4.5kohm | 1μΩ~20ohm | 1μΩ~10ohm | 1μΩ~10ohm | 50μΩ-200mΩ(100A) 100μΩ-400 mΩ(50A) 200μΩ-800 mΩ(25A) | Single phase: 10mΩ～20Ω(1A) 1 mΩ～4Ω(5A) 1 mΩ～2Ω(10A) 1 mΩ～1Ω(20A) 1 mΩ～0.5Ω(40A) Three-phase: 10 mΩ～6Ω (1A,each phase) 1 mΩ～1Ω (5A,each phase ) 1 mΩ～0.6Ω (10A,each phase ) 1 mΩ～0.3Ω (20A,each phase ) |
| Resolution | 1μΩ | 1μΩ | 1μΩ | 1μΩ | 1μΩ | 1μΩ |
| Max. Error | 0.2%RDG+2D | |||||
| Voltage output | 20V | 20V | 20V | 20V | 20V | 20V |
| Resolution | 1μΩ | 1μΩ | 1μΩ | 1μΩ | 1μΩ | 1μΩ |
| Power supply | AC220V±10%, 50Hz/60Hz | |||||
| Working environment | -10℃-+40℃ RH≤85% | |||||
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