HUAYI: Professional Primary Current Injection Tester Manufacturer
Wuhan HUAYI Electric Power Technology Co.,Ltd. (HUAYI for short) is a professional manufacturer in China, researching and manufacturing electric testing equipment. HUAYI insist developing and marketing independently, and make efforts to improve the products quality, reduce cost, and improve efficiency.
Why Choose Us
Rich Experience
The company was established in 2005 and has more than ten years of professional experience. It is one of the earliest manufacturers of high-voltage testers in China.
Professional Technology Support
Specialize in testing and solutions for more than 18 years. Own experienced engineers. Professional on delivery, installation, debugging, and training.
ISO Certification
We have a professional R&D technical team and strict quality control to ensure safety, accuracy and efficiency. Passed ISO9001 certification and obtained relevant patent certificates.
24 hours After-sales
Professional after-sales service, paying attention to customers' feedback about products; Providing solutions within 24 hours, if the customers have any problem; Act quickly and efficiently.
Product Parameter
|
Model |
Capacity (KVA) |
Input |
Output |
Dimension (mm)L×W×H |
Weight (kg) |
Remark |
||
|
Voltage |
Current |
Voltage |
Current |
|||||
|
SLQ-500 |
3 |
220 |
15 |
6 |
500 |
430×338×550 |
48 |
|
|
SLQ-1000 |
6 |
220 |
27 |
6 |
1000 |
500×380×600 |
80 |
Integrated structure |
|
SLQ-2000 |
10 |
220 |
46 |
5 |
2000 |
600×430×790 |
130 |
Integrated structure |
|
SLQ- 2500 |
15 |
380 |
39.5 |
6 |
2500 |
600×430×790 |
145 |
Integrated structure |
|
SLQ- 4000 |
24 |
380 |
63 |
6 |
4000 |
640×450×820 |
180 |
Integrated / split |
|
SLQ- 5000 |
30 |
380 |
79 |
6 |
5000 |
600×430×900 300×500×500 |
145 135 |
Split Structure |
|
SLQ- 6000 |
36 |
380 |
95 |
6 |
6000 |
600×430×900 300×500×500 |
150 140 |
Split Structure |
|
SLQ- 8000 |
48 |
380 |
126 |
6 |
8000 |
600×450×950 350×550×550 |
180 |
Split Structure |
|
SLQ-10000 |
60 |
380 |
158 |
6 |
10000 |
800×600×1100 380×550×600 |
200 |
Split Structure |
Video
Advantages of Primary Current Injection Tester
Provide Protective Devices
One of the key advantages of using primary current injection tester is its ability to provide real-time data on the performance of protective devices. This immediate feedback allows technicians to identify any potential issues before they lead to equipment failure or safety hazards.
User-Friendly Design
The primary current injection tester features a user-friendly design, ensuring electrical professionals can operate the tester with minimal training. It is equipped with a digital display for easy monitoring and programmable settings for various test scenarios.
Accuracy
Primary current injection testers are designed to provide accurate test results to ensure the reliability and safety of the equipment being tested. They are often designed to meet international standards and regulations for electrical testing,ensuring that the tests conducted are reliable and consistent.
Portable
These testers can be portable for field testing or stationary for use in a lab or workshop setting. Some systems come with data logging capabilities to record test results for analysis and documentation purposes.

The primary difference between primary and secondary current injection testers in their approach and scope. A primary current injection test set injects a multiple of the fault-rated current of the breaker through the breaker, measuring the trip time. This method tests the breaker in a scenario as close to real-world conditions as possible. On the other hand, a secondary current injection test kit injects a ratio of the fault-rated current directly into the trip unit, measuring how long it takes for the breaker to trip. This method focuses on testing the timing and function of the trip unit rather than the entire breaker system.
Application of Primary Current Injection Tester
Power Utilities
Ensuring the reliability of transmission and distribution systems by testing protective relays and circuit breakers. For example, utilities use these testers during commissioning and routine maintenance to prevent outages.
Industrial Facilities
Large manufacturing plants rely on these testers to verify their electrical protection schemes, minimizing downtime and preventing equipment damage.
Renewable Energy
Wind farms and solar power plants utilize primary current injection tester to validate the protection systems of their inverters and transformers, ensuring safe operation.
Data Centers
Critical infrastructure like data centers depend on precise testing of their electrical systems to maintain uptime and prevent data loss caused by electrical faults.
Typical components include:
- High-current output transformer or amplifier.
- Control unit.
- Current measurement system.
- Timer/trip detection module.
- Cooling system.
- Safety interlocks.

Precautions
Proper Handling
Handle the tester with care. Avoid dropping or subjecting it to excessive vibration. Store it in a protective case when not in use to prevent accidental damage.
01
Environmental Conditions
Use the tester in environments within the specified temperature and humidity ranges. Extreme conditions can affect the accuracy and longevity of the equipment.
02
Electrical Safety
Always follow electrical safety protocols when using the tester. Ensure that the circuit breaker and related equipment are de-energized before connecting the tester. Use appropriate personal protective equipment (PPE) to prevent electrical hazards.
03
Training and Familiarity
Ensure that all users are adequately trained in operating the tester. Familiarity with the equipment’s functions and limitations is essential for safe and effective use.
04
Documentation
Keep detailed records of all maintenance activities, calibration dates, and any issues encountered. This documentation can help in troubleshooting and ensuring compliance with industry standards.
05
How To Cooperate With Us
Inquiry: You can contact us online or sending us an inquiry. Please provide the details of your requirements as clear as possible. So we can send you the offer at the first time.
Phone Number: (+86)-18062012971/whatsapp:+8618064115448
E-mail: sales@sinohipot.com/ tina@sinohipot.com
Custom Plan Development: During the consultation, we’ll evaluate your specific requirements and together, craft a custom quality assurance plan tailored to your needs.
Agreement and Setup: Once you’re satisfied with the plan, we’ll finalize the details and set up everything needed to get started.
Quality Assurance Implementation: Our team will then implement the quality assurance protocols on your selected products or processes.
Delivery: Deliver cargos by sea or by air according to requirement.
Packaging and Delivery
|
Packing detail: |
Packing with wooden cases, provide different solutions of shipping way. |
|
Payment: |
We accept many payment term, such as T/T, Western Union, L/C. |
|
Warranty period: |
One-year warranty, Installation, and commissioning of specific products. |
|
Delivery time: |
Most of our products are in stock and can be delivered upon payment. The delivery time usually does not exceed 15 days. |

Our Certificates

As one of the most professional primary current injection tester manufacturers and suppliers in China, we're featured by quality products and competitive price. Please rest assured to buy cheap primary current injection tester made in China here from our factory.
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