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Shanghai Miyuan Electric Co., Ltd
MEBZ-3340 Three Channel DC Resistance Tester
NegotiableUpdate on 05/06
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Overview
MEBZ-3340 Three Channel DC Resistance Tester is a fast testing device for measuring the DC resistance of transformers, transformers, generators, and motor windings. It is particularly suitable for measuring the three-phase resistance of large capacity star connected transformers simultaneously, greatly saving time and improving maintenance efficiency.
Product Details
MEBZ-3340 Three Channel DC Resistance Tester
Transformer DC resistanceofMeasurement refers to the testing of semi-finished and finished products in transformer manufacturing, including factory testing, installation, handover testing, and power department testingPreventive testingMust test items that can effectively discovertransformer coilManufacturing defects such as material selection, welding, loose connection parts, missing strands, and broken wires, as well as hidden dangers that exist after operation.MEBZ-3340 Three Channel DC Resistance TesterIt is a fast testing equipment for measuring the DC resistance of transformers, mutual inductors, generators, and motor windings, especially suitable for simultaneous measurement of three-phase of large capacity star connected transformers, greatly saving time and improving maintenance efficiency.
1Main Features
l The neutral point transformer can measure three phases simultaneously, greatly saving measurement time.
l The instrument has demagnetization function, which can eliminate residual magnetism at once.
l The instrument has a wide range of resistance measurement, high resolution, and multiple current gear options.
l The instrument has a reverse electromotive force protection function.
l The longitudinal test of the DC resistance of the on load tap changer transformer can be completed in one go.
l The instrument has high measurement accuracy, anti-interference, shock resistance, and convenient portability.
l Adopting a 5.0-inch 65K color touch screen, it is easy to operate.
l Built in large capacity non-volatile memory, capable of storing 500 sets of data.
l Built in high-speed micro thermal printer, capable of printing measurement data.
l Built in high-precision clock, real-time display of time.
l It has USB storage function.
IItechnical indicators
1. technologyparameter
Three phase test:
test current |
test scope |
accuracy |
40A（2*20） |
500～200mΩ |
± (0.2% reading+1.0 μ Ω) |
20A（2*10） |
1mΩ～500mΩ |
± (0.2% reading+0.001m Ω) |
10A（2*5） |
10mΩ～1.0Ω |
± (0.2% reading+0.01m Ω) |
2A（2*1） |
100mΩ～5.0Ω |
± (0.2% reading+0.1m Ω) |
0.2A（2*0.1） |
1Ω to 50Ω |
± (0.2% reading)＋0.001Ω) |
Single phase testing:
test current |
test scope |
accuracy |
40A |
200. Mu. M～500mΩ |
± (0.2% reading)＋0.5μ Omega |
20A |
500μΩ～0.8Ω |
± (0.2% reading+1 μ Ω) |
10A |
1mΩ～2.0Ω |
± (0.2% reading+0.001m Ω) |
5A |
10mΩ～4.0Ω |
± (0.2% reading+0.01m Ω) |
1A |
100mΩ～20Ω |
± (0.2% reading)＋0.1mΩ） |
0.1A |
1Ω to 200Ω |
± (0.2% reading)＋0.001Ω) |
Resolution:0.0001，5 significant digits
Host size: 420mm × 250mm × 340mm
Host weight: 15kg
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