Automatic Transformer Winding Coil DC Resistance Tester Micro Ohmmeter
Brand Name:AI
Certification:ISO
Model Number:WRT
Minimum Order Quantity:1 Set DC Resistance Tester
Delivery Time:15 days
Payment Terms:T/T, Western Union, L/C
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Location:
Changsha Hunan China
Address:
Hi-tech Developing Industrial Area, Liuyang City,Changsha,Hunan Province,China
Supplier`s last login times:
within 30 hours
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Product Details
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% | |||||
Spares of Winding Coil Resistance Tester
Automatic Transformer Winding Coil DC Resistance Tester Micro Ohmmeter
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