Products Description

Electrical Testing Instrument The 20A/40A/50A/60A DC resistance tester is mainly used for measuring the DC resistance of large and medium-sized transformers, generators, motors, etc. The instrument has multiple current gears to meet various measurement needs.
Electrical Testing Instrument
◆The whole machine is controlled by a high-speed single-chip microcomputer, with a high degree of automation and easy operation.
◆The instrument adopts a new power supply technology, with multiple current gears and a wide measurement range. It is suitable for DC resistance measurement of large and medium-sized transformers. It has the function of arbitrary temperature conversion of copper and aluminum materials, and touch input of arbitrary winding temperature and conversion temperature.
◆The protection function is perfect, which can reliably protect the impact of back electromotive force on the instrument, and the performance is more reliable.
◆It has an audible discharge alarm, clear discharge indication, and reduces misoperation.
◆Fast response speed, can directly convert the on-load tap changer in the measurement state, and the instrument automatically refreshes the data.
◆The instrument uses a seven-inch color touch screen, and the Chinese and English free switching interface is clear.
◆The instrument comes with a perpetual calendar clock and power-off storage, which can store 1,000 sets of test data and can be checked at any time.
◆The instrument is equipped with RS232 and USB interfaces, which can communicate with the computer and store data in a USB flash drive.
◆Download the APP on your mobile phone, control it through the software, and upload the test data for easy reference.

Technical indicators
Output Current |
20A: <20mA, 1A, 2.5A, 5A, 10A, 20A 40A: <20mA, 2.5A, 5A, 10A, 20A, 40A 50A: <20mA, 2.5A, 5A, 10A, 20A, 50A 60A: <20mA, 5A, 10A, 20A, 40A, 60A |
|
Measuring range |
20A:100μΩ~20KΩ 50A:40uΩ~20KΩ 40A:50uΩ~20KΩ 60A:30μΩ~20KΩ |
|
Measurement accuracy |
0.2%+2 10Ω~20KΩ(<20ma) 0.5%+2 |
|
Minimum resolution |
0.1μΩ |
|
Dimensions |
Host: 405×230×355 (mm) |
Wire box: 360×260×180 (mm) |
Weight |
Host: 15KG |
Wire box: 8KG |
Environmental conditions
Working temperature |
-10℃-40℃ |
Working humidity |
<90%RH, no condensation |
Working voltage |
AC220V±10% |
Working frequency |
50Hz±1Hz |
Products Description

Dual Canopy Mechanical Electrical Engineering Co., Ltd. stands as a preeminent high-tech enterprise at the forefront of electrical system automation and precision testing.
Our commitment to innovation drives the development of cutting-edge devices, including advanced intelligent control systems and state-of-the-art automated monitoring solutions,
which are meticulously engineered to significantly enhance the stability, efficiency, and overall performance of modern power systems. Moreover, our high-precision testers and sophisticated fault diagnosis instruments have earned the trust of power companies globally, thanks to their unparalleled accuracy in data acquisition and their ability to deliver highly efficient, insightful analysis.
Our comprehensive product portfolio encompasses a diverse range of essential electrical equipment. This includes Oil-immersed and Dry-type Transformers, which are designed to meet the varying needs of different applications; the Transformer Oil Test Series, which ensures the quality and reliability of transformer oil; the Transformer Test Series, which provides comprehensive testing solutions for transformers; and the High Voltage Tester Series, which is essential for ensuring safety and performance in high-voltage environments. These products are specifically tailored to serve a broad spectrum of industries, such as power systems, electrified railways, shipbuilding, telecommunications, municipal management, and other large-scale enterprises, where reliability and precision are of utmost importance.
Every product manufactured by Dual Canopy adheres to stringent international CE standards and Chinese national standards, guaranteeing the highest levels of quality, safety, and reliability. Our global export network has enabled us to reach customers across the world, and we are proud to have received widespread recognition and high praise from major clients.
For excellence in electrical innovation and reliability, choose Dual Canopy.
Our address
Baoding Cloud Center, Hebei, China
Phone Number/whatsapp
+86 13483219412
Salesm@dualcanopy.com

Hot Tags: electrical testing instrument, China electrical testing instrument manufacturers, suppliers, factory