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Описание и отзывы


Products Description

Product name
Microcomputer Relay Protection Tester
Relay Protection Test

Technical Parameter

Alternating current output
Output accuracy: 0.5magnitude
Phase current output (effective value): 0~40A
Three parallel phase current output (effective value): 0~120A
Phase current value with long time under permission (effective value): 10A
Phase current maximum power output: 400VA
Three parallel phase current maximum power output: 1000VA
Three parallel phase current maximum work time: 10s
Frequency range (base wave): 20~1000Hz
Harmonic frequency number: 1~20 time
Direct current output
Output accuracy: 0.5magnitude
Current output: 0 ~ ± 10 A/each phase, 0 ~ ± 30 A/every three parallel
Maximum output of load voltage: 20v
Alternating current output
Output accuracy: 0.5magnitude
Phase voltage output (RMS): 0 ~ 120v
Line voltage output (RMS): 0 ~ 240v
Phase voltage/line voltage power output: 80VA/100VA
Frequency range (base wave): 20 ~ 1000Hz
Harmonic frequency number: 1 ~ 20 times
Direct voltage output
Output accuracy: 0.5magnitude
Phase voltage output amplitude: 0 ~ +160v
Line voltage output amplitude: 0 ~ + 320v
Phase voltage/line voltage power output: 70VA/140VA

The switch quantity and time measurement
Switch parameters input
7 ways
Empty contact: 1~20mA, 24v
Power contact access:“0”:0~ +6V; “1”:+11 V~ +250V
Switch parameters output
2 couples
Time measurement
Measuring range: 0.1ms ~ 9999s measuring accuracy: 0.1ms

Volume and weight
Appearance and size
Weight of a single machine
Supply power
AC 220V±10%,50/60Hz
Environmental temperature
-10℃ ~ +50℃

Our Advantages

Wuhan Kvgrid Electrical Equipment Co., Ltd. is a high-tech enterprise, keeping close cooperation with universities and research institutes. We professionally engage in R&D, manufacture and marketing of Power testing products, Instrumentation, Power industry automation system, etc.
Adhering advanced R&D management idea, we have formed a strong technical development system and high-quality sales team. Now we established close technical cooperation relations with the State Grid Corporation, Wuhan HV Research Institute, Xi'an HV Research Institute, HUST University and Wuhan University, etc., Which laid a good foundation for the company technological progress.
We provide various types of high-tech products to the whole world power system, metallurgy, petrochemical industry, factories and business units with high quality service and reasonable price. Our products have been widely used in power system, coal, petroleum, chemical industry, metallurgy, construction, railway, communications, defense and other departments. With superior products and good after-sales service, we received high reputation from the market.
"Accurate, Efficient, Stable" are the features of our products;"Professional, Credible" are the characteristics of our company. We're looking forward to making more contributions to the global power industry with you.\t

Manufacturing Technique



Product packaging


Q1: When can I get the price?
We usually quote within 6 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry priority.
Q2: What about the leading time for production?
Honestly, it depends on the order quantity and the product. Usually our leading time is 7-14 working days after order confirmed.
Q3: What is your terms of delivery?
We accept EXW, FOB, CFR, CIF, etc. You can choose the one which is the most convenient and cost effective for you.
Q4: How much will be the shipping cost and time?
This will depend on the size of your goods and the method of shipping(by sea/air/express) and your designated port. We will be grateful if you can spare us some minutes to help us since it will enable us to evaluate the cost based on the information provided.
Q5: Could you please tell me the Warranty Period of your product?
Our warranty period is one year free and lifelong maintenance, and if the product we sell is damaged(if not man-made damage) in the first year, we will send free parts for replacement.
Over the warranty, maintenance is paid service.
Q6: Do you have Technical Backup to all customers from different countries?
To be surely, our technical support is always available and quick response. We are manufacturer of so much on site testing experience and understand how to deal with your problems. Moreover, our engineers can go to your country to support if need.

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