Product Introduction
JS-V Transformer Tan Delta Tester introduces:
Measuring dielectric Loss is a basic method in insulation tests, which can effectively find the deterioration and dampness of insulators on electrical equipment, as well as local defects. It is widely used in electrical manufacturing, installation, handover, and preventive tests. It is the most basic way to evaluate the insulation of electric equipment by measuring the dielectric losses of its transformers, instrument transformers, reactors, capacitors, bushings, and arresters.
The Tan delta tester is an integrated structure featuring a built-in dielectric loss test bridge, variable frequency voltage regulation power supply, boost transformer, and an SF6 high-stability standard capacitor. The test high voltage source is generated by the inverter inside the instrument and is used for the test subject after being boosted by the transformer. The frequency can be changed to 50Hz, 47.5Hz/52.5Hz, 45Hz/55Hz, 60Hz, 57.5Hz/62.5Hz, 55Hz/65Hz, using digital trap technology, which avoids the interference of power frequency electric fields on the test and fundamentally solves the problem of accurate measurement under the interference of a strong electric field. At the same time, it is suitable for testing the generator power supply after all power failures. The instrument is equipped with an insulated oil cup and a temperature control device to measure the dielectric loss of insulated oil.
Transformer tan delta tester operation video
Product Parameter
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Work condition |
-15℃∽40℃ |
RH<80% |
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Principle of anti-interference |
Variable frequency |
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Power supply |
AC 220V±10% |
Permissible generator |
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Output high voltage |
0.5KV∽10KV(can make 12kV) |
Every 0.1kV |
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Accuracy |
2% |
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Max current |
200mA |
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Capacitance |
2000VA |
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self-excitation power supply |
AC 0V∽50V/15A |
50HZ,60HZ single frequency,45HZ/55HZ,47.5HZ/52.5HZ,55HZ/65HZ,57.5HZ/62.5HZ,Automatic double frequency conversion |
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resolution |
tgδ: 0.001% |
Cx: 0.001pF |
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Accuracy |
△tgδ:±(reading*1.0%+0.040%) |
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△C x :±(reading*1.0%+1.00PF) |
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Test range |
tgδ |
No limitation |
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C x |
15pF < Cx < 300nF |
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10KV |
Cx < 60 nF |
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5KV |
Cx < 150 nF |
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1KV |
Cx < 300 nF |
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CVT test |
Cx < 300 nF |
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LCR test range |
L>20H(2kV) |
R>10KΩ(2kV) |
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LCR test accuracy |
1% |
angular resolution |
0.01 |
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CVT turn ratio range |
10∽10000 |
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CVT turn ratio accuracy |
1% |
CVT turn ratio resolution |
0.01 |
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size(host)(mm) |
350(L)×270(W)×270(H) |
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size(accessory)(mm) |
350(L)×270(W)×160(H) |
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Memory capacity |
200 GB Support U disk data storage |
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weight(host) |
22.75Kg |
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weight(accessory) |
5.25Kg |
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Model |
JS-H |
JS-V |
JS-R |
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UST mode |
√ |
√ |
√ |
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GST mode |
√ |
√ |
√ |
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CVT self-excitation mode |
√ |
√ |
√ |
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C1/C2 test simultaneously |
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√ |
√ |
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External standard voltage |
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√ |
√ |
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External high voltage |
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√ |
√ |
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CVT turn ratio |
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√ |
√ |
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CVT test |
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√ |
√ |
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UST/GST test simultaneously |
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√ |
√ |
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LCR auto test |
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√ |
√ |
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Insulation resistance test |
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√ |
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USB connection |
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√ |
√ |
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U disk storage |
√ |
√ |
√ |
Product Feature And Application
JS-V tan delta tester features:
1. Big touch-screen LCD: easy to use and no need to train the user, only click the screen to finish the whole test process
2. High storage capacity, can save 200 group data results can be saved in chronological order, historical records can be viewed at any time, and can be printed out;
3. Data management: The instrument data can be exported through the U drive and can be viewed and managed on any PC.
4. Multiple test modes: It can be tested by internal high voltage, external high voltage, internal standard, external standard, positive connection method, reverse connection method, self-excitation method, and other methods. High voltage (> 10kV) dielectric loss can be made under the condition of an external standard high voltage.
5. CVT test:can test CVT(capacitor voltage transformer)C1/C2 of dielectric loss and capacitance,can test C1/C2 simultaneously. Can also test CVT Variation ratio and voltage Angle difference;
6. No need to remove the high voltage cable to test CVT: can test CVT dielectric loss and capacitance with no need to remove the HV cable
7. CVT Reverse connection shielding measuring can test the dielectric loss value and capacitance value of CVT upper C0
8. high-speed sampling signal: The inverter and sampling circuit inside the instrument are all controlled digitally, and the output voltage is continuously adjustable.
9. LCR full auto test: Automatic display of inductance, capacitance, resistance measurement, and Angle.
10. Multiple protection features, such as input voltage fluctuation, high voltage current, output short circuit, power supply fault, overvoltage, overcurrent, and temperature, etc., to ensure the safety and reliability of the instrument. also equipped with a grounding detection function to ensure that the ungrounded equipment does not allow voltage boost.
Prodection Details



Accessory
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Serial Number |
Name |
Amount |
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1 |
tan delta tester |
one |
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2 |
High-voltage cable |
one |
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3 |
Low-voltage cable |
two |
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4 |
Power line |
one |
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5 |
Ground lead |
one |
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6 |
CVT Line |
one |
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7 |
5A Fuse (Internal) |
two |
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8 |
Printing paper (50ml) |
one |
|
9 |
Specification |
one |
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10 |
Inspection Report |
one |
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11 |
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 machine quality guarantees one year of lifetime technical support for you. Online response to customers' technical problems.
On site service

Our service
01
Pre-sale service
Conduct product consultation, product promotion, marketing activities, and 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.

Our certificates

Customers Visit

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 independently and makes efforts to improve the products' quality, reduce cost, and improve efficiency.
HUAYI is committed to preventative, maintenance, troubleshooting, and commissioning. With ISO certificated, professional engineering support, and Satisfactory customer service, our brand has been recognized and supported by wide 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.

Please get in touch with us if you have any questions about products, prices, technology solutions, or services. We 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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