Product Introduction
HY331 3 Phase Protection Relay Tester
Our company refers to the standard of DL/T624-2010 "Technical Conditions for Microcomputer Test Equipment for Relay Protection", widely listens to the views of users, summarizes the advantages and disadvantages of similar products in China, and makes full use of modern advanced microelectronics technology and devices to develop the new miniaturized microcomputer relay protection tester.
Adopted classic Windows 7 operating interface, friendly man-machine interface, easy and fast to operate; High-performance embedded industrial control computer and 8.4-inch resolution of 800 × 600 TFT true color display, which provides rich visual information, including the current working condition and all kinds of help information. The software features a self-calibrating function, which eliminates the need for manual calibration by adjusting relays after opening the case, thereby significantly improving accuracy and stability.
Product Parameter
|
AC current source |
|
DC current source |
|
Phase current output ( RMS ) |
0~40A/phase |
30A/phase |
|
Accuracy: 0.2% |
0.5% |
|
|
3-phase in parallel max output |
120A |
|
|
Phase current values allow for a long time |
10A |
|
|
Phase current max output power |
420VA |
|
|
3-phase in parallel, max output power |
900VA |
|
|
3-phase in parallel current, max output allowable working time |
10s |
|
|
Frequency range |
0~1000Hz |
|
|
Accuracy: 0.001Hz |
|
|
|
harmonic order |
2~20times; phase :0~360° |
|
|
Accuracy: 0.1° |
|
|
AC voltage source |
|
DC voltage source |
|
Amplitude range |
(0~125V)/phase, accuracy: 0.2% |
0~±150V accuracy 0.5% |
|
Line voltage range |
0~250V |
0~±300V |
|
Phase voltage / Line voltage output power |
70VA/100VA |
90VA/180VA |
|
Frequency range |
0~1000Hz accuracy: 0.001Hz |
|
|
harmonic order |
2~20times; phase :0~360° |
|
|
Accuracy: 0.1° |
|
Switch terminal
|
Switch input terminals |
8 pairs |
|
Dead contact |
1-20mA, 24V active output inside the device. |
|
Potential flip |
0--6V DC low level; 15-250V DC high level |
|
Switch output terminals |
4 pairs, dead contact, rupturing capacity: 110V/2A, 220V/1A |
Time measurement range
|
Range |
1ms~9999s |
|
Accuracy |
1ms |
|
Dimension |
440×230×480mm |
|
|
Weight |
17.5Kg |
|
|
Power |
AC 220V±10% |
50Hz,10A |
Product Feature And Application
HY331 3 Phase Protection Relay Tester features:
1. It cannot only test traditional relays and protectors, but also modern microcomputer relays, special for transformer differential protection and transfer equipment.
2. All technical indicators fully meet the standard DL/T624-2010: Technical condition of the relay computer test device.
3. Classic Windows 7 operating interface, friendly man-machine interface, easy and fast to operate; High-performance embedded industrial control computer and 8.4-inch resolution of 800 × 600 TFT true color display, which provides rich visual information, including the current working condition and all kinds of help information.
4. Integrated metal industrial keyboard and touchpad, you can use multi-functional metal keys and a touchpad to complete a variety of operations.
5. Use a USB interface to communicate directly with the PC, without any conversion cable, easy to use.
6. The power amplifier adopts a high-fidelity linear power amplifier, which not only ensures the accuracy of small current but also ensures the stability of large current.
7. Improved self-protection function, using a reasonable design of the heat dissipation structure, and has a variety of reliable and perfect protection measures and power soft start, with a certain degree of fault self-diagnosis and blocking function.
8. Can be connected to a laptop computer (optional). Laptop computers and industrial machines use the same software, no need to re-learn the methods of operation.
9. With a separate DC auxiliary voltage source, output voltage 110V(1A)and 220V(0.6A), provide relays or protective devices that require DC power.
10. The software with a self-calibrating function, which avoids calibrating accuracy by adjusting relays after opening the case, greatly improves the stability of the accuracy
Prodection Details




Accessory
|
Number |
Name |
Amount |
Serial Number |
Name |
Amount |
|
1 |
Relay protective tester |
one |
7 |
Procedure Disk |
one |
|
2 |
High-strength aluminum alloy box |
one |
8 |
2A Fuse |
two |
|
3 |
Test line case |
one |
9 |
10A Fuse |
two |
|
4 |
Test line |
one |
10 |
Specification |
one |
|
5 |
Power line |
one |
11 |
Inspection Report |
one |
|
6 |
USB cable |
one |
12 |
Certification |
one |
FAQ
1. Delivery: Fast delivery and Flexible mode of transportation
2. Payment: Choose payment terms and a convenient payment method
3. Sales service: 24-hour online contact, choose the right model of equipment according to your request, give the best offer, and support customization
4. Warranty period: All machines come with guarantees one guarantee of lifetime technical support for you. Online response to customers' technical problems.
Production Line for Relay tester

On Site Service

About Us
Wuhan Huayi Electric Power Technology Co., Ltd
HUAYI is a professional manufacturer in China that researches and manufactures electric testing equipment. Established in 2005, the company is one of the earliest manufacturers of high-voltage testers in China. HUAYI insists on developing and marketing its products independently and makes efforts to improve product quality, reduce costs, and enhance efficiency.
HUAYI is committed to preventative, maintenance, troubleshooting, and commissioning. With ISO-certified professional engineering support and Satisfactory customer service, our brand has been recognized and supported by a wide range of users.
large enterprise scale
Efficient and precise processing and testing equipment. We have our factory, engineers, and service team.
Standardized Production
Passed ISO9001 certification and obtained relevant patent certificates.
High-Quality Customized Services
No intermediate links, providing one-stop service from design, processing, mold trial to mass production.

Our certification

Our engineering team

Customers visiting

Our workshop

Our Service
Create a comprehensive solution for customers
01
Pre-sale service
Conduct product consultation, product promotion, and marketing activities, and provide technical support for customer needs.
02
Delivery service
Packing with wooden cases, provide different solutions of shipping way, accept different payment way. Save shipping cost and make sure the products arrive well.
03
After-sales service
Installation and commissioning of specific products; Respond to consumer questions, answer consumer inquiries, and deal with consumer comments.

FAQ
1. Delivery: Fast delivery and Flexible mode of transportation
2. Payment: Choose payment terms and a convenient payment method
3. Sales service: 24-hour online contact, choose the right model of equipment according to your request, give the best offer, support customization
4. Warranty period: All machine quality guarantees for one year, and lifetime technical support for you. Online response to customers' technical problems.
Please get in touch with us if you have any questions about products, prices, technology solutions, or services. We will always be with you.
Our address
Gaoxin 4th Road, No.40, Wuhan City, China
Phone Number
(86)-18062012971/+8618064115448 WhatsApp
sales@sinohipot.com/ tina@sinohipot.com


One-stop high voltage test equipment Factory in China
Send your inquiry about test equipment to us and experience the professional solutions it can have on your business or brand. With our technology solutions and products, you can elevate your products, captivate your customers, and unlock new opportunities for growth and success in the electric industy.
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