1、 Product Overview:
The comprehensive characteristic tester for transformers is designed for automatic testing of protective and metering CT/PT, suitable for laboratory and on-site testing. Reference standards: GB1207-2006、GB1208-2006。
2、 Product features:
Support detection of CT and PT
Meet the requirements of regulations such as GB1207 and GB1208
All testing items can be completed on a single machine without the need for external auxiliary equipment
Equipped with a miniature fast printer, it can directly print test results on site
Adopting an intelligent controller for easy operation
Large screen LCD graphical display interface
Automatically provide CT/PT (excitation) inflection point values according to regulations
Automatically provide 5% and 10% error curves
Support simultaneous measurement of six variable ratios
Can save 3000 sets of test data without loss after power failure
Support USB flash drive data transfer, which can be read and generate WORD reports through standard PC
Compact and lightweight ≤ 22Kg, very conducive to on-site testing
Project |
Parameters |
|
Working power supply |
AC220V ± 10%, 50Hz |
|
Device output |
0-2500Vrms 5Arms (20A peak) |
|
High current output |
0~1000A |
|
Excitation accuracy |
≤ 0.5% (0.2% * reading+0.3% * range) |
|
Secondary winding resistance measurement |
range |
0.1~300Ω |
accuracy |
≤ 0.5% (0.2% * reading+0.3% * range) |
|
Secondary actual Load measurement |
range |
5~1000VA |
accuracy |
≤ 0.5% (0.2% * reading+0.3% * range) ± 0.1VA |
|
phase measurement (Angle difference) |
accuracy |
4min |
resolution |
0.1min |
|
CT Variable ratio measurement |
range |
≤25000A/5A(5000A/1A) |
accuracy |
≤0.5% |
|
PT Variable ratio measurement |
range |
≤500KV |
accuracy |
≤0.5% |
|
work environment |
Temperature: -10 ℃~40 ℃ Humidity: ≤ 90% Altitude: ≤ 1000m |
|
Size and weight |
Size: 410mm × 250mm × 300mm Weight: ≤ 22Kg |






The products developed and produced by Wuhan Hezhong Electric are strictly manufactured in accordance with international and national standards and industry regulations, and have passed the testing of national, provincial, and municipal power research institutes, measurement centers, and authoritative power departments. At the same time, Wuhan Hezhong Electric has fully passed ISO9001 international quality management system certification, the People's Republic of China manufacturing measuring instrument license, GB/T19001-2008 quality management system requirements, GB/T24001-2004 environmental management system requirements, and GB/T28001-2011 occupational health and safety management system requirements.
We will strictly follow the "Quality and After sales Service Commitment Letter" to implement relevant product services. We will continue to firmly believe that high-quality, systematic, comprehensive, and fast services are the foundation of enterprise development. After years of continuous exploration and progress, we have formed the service philosophy of 'customer centricity, quality as the first life of the enterprise'. And with the goal of creating a first-class service enterprise in China through strict quality management and advanced technology, we have formulated a quality policy of 'standardized management system, strict process control to ensure product quality and customer satisfaction'. For many years, we have adhered to the principle of 'customer first' and built a good sales and after-sales service system to provide customers with better pre-sales, in sales, and after-sales services!
Our after-sales service commitment is: 'Refund within 3 months, replacement within 1 year, free repair for 3 years, and lifelong maintenance'. In the days to come, we will continue to adhere to the three-star service as always!
Note: The detailed product information is subject to the actual product. Please confirm the specific model parameters with the sales personnel before purchasing. Please refer to the instruction manual.
The final interpretation of this service commitment belongs to Wuhan Hezhong Electrical Equipment Manufacturing Co., Ltd.
If you have any questions.