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Wuhan Mingyang Technology Co., Ltd

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China 20A High Precision Automatic Transformer DC Winding Resistance Tester
China 20A High Precision Automatic Transformer DC Winding Resistance Tester

  1. China 20A High Precision Automatic Transformer DC Winding Resistance Tester
  2. China 20A High Precision Automatic Transformer DC Winding Resistance Tester
  3. China 20A High Precision Automatic Transformer DC Winding Resistance Tester
  4. China 20A High Precision Automatic Transformer DC Winding Resistance Tester
  5. China 20A High Precision Automatic Transformer DC Winding Resistance Tester
  6. China 20A High Precision Automatic Transformer DC Winding Resistance Tester

20A High Precision Automatic Transformer DC Winding Resistance Tester

  1. MOQ: 1
  2. Price: 2500 usd
  3. Get Latest Price
Packaging Details carton
Resolution 1μΩ
Output Current 20A-60A
Measurement accuracy 0.5%
Product name DC Resistance Tester
Supply Ability 1000pcs/month
Operating Temperature -10℃~40℃
Payment Terms L/C,D/A,D/P,T/T,Western Union
Time Resolution 1s
Delivery Time 1 week
Accuracy Class 0.5%
Working Humidity <90%RH
Current Resolutio 1μΩ
Minimum Resolution 0.1μΩ
Working power supply AC220V ± 10%, 50Hz ± 1Hz
Working Voltage AC220V±10%
Working Temperature -10℃-40℃
Weight 12kg
Measurement range 1-1999μΩ
Volume 380*350*260 mm
Warranty 2 Year
Measuring Range 30μΩ-20KΩ
Display mode three-and-a-half-digit LCD
Model Number MY-RD
Place of Origin China Mainland
Brand Name MINGYANG

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  2. Company Details

Product Specification

Packaging Details carton Resolution 1μΩ
Output Current 20A-60A Measurement accuracy 0.5%
Product name DC Resistance Tester Supply Ability 1000pcs/month
Operating Temperature -10℃~40℃ Payment Terms L/C,D/A,D/P,T/T,Western Union
Time Resolution 1s Delivery Time 1 week
Accuracy Class 0.5% Working Humidity <90%RH
Current Resolutio 1μΩ Minimum Resolution 0.1μΩ
Working power supply AC220V ± 10%, 50Hz ± 1Hz Working Voltage AC220V±10%
Working Temperature -10℃-40℃ Weight 12kg
Measurement range 1-1999μΩ Volume 380*350*260 mm
Warranty 2 Year Measuring Range 30μΩ-20KΩ
Display mode three-and-a-half-digit LCD Model Number MY-RD
Place of Origin China Mainland Brand Name MINGYANG
High Light 20A transformer resistance testerautomatic winding resistance testerhigh precision DC resistance tester
20A High Precision Automatic Transformer DC Winding Resistance Tester
The 20A/40A/50A/60A DC resistance tester is primarily designed for measuring DC resistance in large and medium-sized transformers, generators, motors, and similar equipment. Featuring multiple current ranges, this instrument accommodates diverse measurement requirements across various applications.

Basic Info.

Model NO.
MY-RD
Output current
100A, 50A, 20A, 10A, 5A
Min. resolution
0.1μΩ
Accuracy
±(0.2%+2digits)
Relative humidity
<90%RH(no condensing)
Size
440*245*395mm
Weight
instrument: 19.5kg; accessory case: 7.5kg
Transport Package
Wooden Case
Specification
ISO, SGS
Trademark
MINGYANG
Origin
Wuhan China
Production Capacity
3000 Sets/Year

Product Description

General Information 

Transformer DC winding resistance is a required test item for the factory test, installation, overhaul, change of tap switch, handover test and preventive test of power department. It can check the welding quality of the winding joints and whether there is a short-circuit between the windings. It can detect whether the contact of each position of the voltage tap switch is good, and whether the actual position of the tap switch is consistent with the indicated position, whether there is a fracture of the lead wire, whether there is a broken strand of multi-strand wire and winding. 

MY-RD Transformer DC Winding Resistance Tester is designed in order to meet the needs of rapid measurement of transformer DC winding resistance. The instrument adopts a new power supply technology, featuring small size, light weight, large output current, good repeatability, strong anti-interference ability and perfect protection function. The whole machine is controlled by high speed single chip microcomputer, high automation, with automatic discharge and discharge alarm function. The instrument has high precision and easy operation, which can realize the rapid measurement of transformer DC winding resistance. 

Key Features
  • High-speed microcontroller control with full automation and intuitive operation
  • Advanced power supply technology with multiple current ranges and extensive measurement capabilities
  • Temperature conversion function for both copper and aluminum materials with touch input for winding temperature and conversion temperature
  • Comprehensive protection system that reliably safeguards against back electromotive force impacts
  • Audible discharge alarm with clear discharge indicators to prevent operational errors
  • Rapid response capability allowing direct on-load tap changer switching during measurement with automatic data refresh
  • Seven-inch color touchscreen display with freely switchable Chinese/English interface
  • Built-in perpetual calendar clock with power-off storage capacity for 1,000 test datasets
  • RS232 and USB interfaces for computer communication and USB flash drive data storage
  • Mobile app compatibility for remote control and test data upload via software




Specification 

Output current 

100A, 50A, 20A, 10A, 5A 

Min. resolution 

0.1μΩ 

 

 

Measurement range 

At 100A: 50μΩ~100mΩ;

at 50A: 100μΩ~200mΩ;

at 20A: 200μΩ~800mΩ;

at 10A: 500μΩ~2Ω;

at 5A: 1mΩ~4Ω 

Accuracy 

±(0.2%+2digits) 

Working temperature

0ºC~40ºC 

Relative humidity 

<90%RH(no condensing) 

Size 

440*245*395mm 

Weight 

instrument: 19.5kg; accessory case: 7.5kg 

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Our Service Wuhan Mingyang Industrial Technology Co., Ltd. has a professional sales and technical team to deliver premium pre-sales consultation and full technical support.   We maintain an efficient after-sales team to timely resolve all product and technical issues for global custome... Our Service Wuhan Mingyang Industrial Technology Co., Ltd. has a professional sales and technical team to deliver premium pre-sales consultation and full technical support.   We maintain an efficient after-sales team to timely resolve all product and technical issues for global custome...

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  • Wuhan Mingyang Technology Co., Ltd
  • Hao Mai Mansion, No. 11, Wudayuan First Road, East Lake High-Tech Development Zone, Wuhan, Hubei Province, P.R.China
  • https://www.hi-pottesters.com/

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