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Integrated portable hv transformer oil tester
This product meets the requirement of international standard of IEC-156 and GB507-86<< Insulating oil Dielectric Strength Testing method>> and the feedback of our customers. On the basis of ST-80KV portable transformer oil tester, this device adopts Single-Chip computer, firstly setting the parameter, then test the dielectric strength. The whole process is directed by computer, easily for operating.
1. Simple operation, high degree of automation (just press a button)
2. Using the menu management, easy to understand the input parameters
3. Can store 99 groups oil sample test data to facilitate future access to and print, test data can be stored in power off state for 10 years.
4. The system clock in the power off state can continue to run.
5. Through the RS232 port with a software upgrade or with the PC, on-line detection.
6. Anti-interference ability
7. Detection with high precision
8. Small size, light weight, easy operations
In the electric power industry, insulating oil is wildly applied in electric equipments. The dielectric strength is a comprehensive index for insulating oil. Series ST portable transformer oil tester is special for testing insulating oil's dielectric strength. ST Automatic oil tester is designed according to international standard of IEC156. Adopt industrial single chip as controller, apply large integrate circuit, new type I/O interface, LCD displayer, combined with special testing and anti-jamming technologies which greatly improve the tester's performance.
Portable Transformer Oil Teste's technical Data:
Operating voltage: AC240V± 10%, 50Hz± 5%( or at user's option)
Measuring range: AC 0-100KV
Rated current: 5mA
Accuracy: 1%
Hi-voltage rate: 2KV/S± 10%
Pre-setting: Frequency 1 - 9
Blending time: 0 - 1 min39s
Standing time: 0 - 10 min39s
Environment temperature: 0 - 45 degree
Relativity Humidity: ≤ 98%
Oil-cup interval: 2.5mm
Dimension: 415X315X315mm
Weight: 28Kg
portable transformer oil tester's Structure Chart:
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Q: What is BDV test for distribution transformer?
A: When you say BDV you might mean the dielectric strength of transformer oil. A new transformer oil should have at lest a dielectric strength of 39 KV. from a British standard.Transformer oils used are normally tested using ASTM D877-82 with the KV strength tester using 1" electrodes spaced 0.1" apart and the test voltage increased at 3,000 volts/min until it breaks down. The average Kv obtained after 8 trials is considered the Oil dielectric strength.Using this test method,dielectric strength at 30 kv and above is considered good. Dielectric strength between 23 to 29Kv is considered usable, but requires filtering. Below 23 kv, the transformer oil should be replaced. Another method ASTM D18747-82 uses the small radius electrodes but spaced only .o4 inches. The test voltage is 500volts/min and increased until breakdown. The dielectric strength is still the average Kv obtained in 8 trials. The dielectric strength of 28-29Kv is considered good. Below 28 kv, the transformer oil is usable but requires filtering. The latter method is considered a better test method.
Chongqing Assen Power Equipment Co.,LTD, which is professional in design, manufacture, sale of oil purification equipment, relevant testing instruments and provide comprehensive filtering solution, owns advanced production lines and sophisticated detection equipment, first-class R & D staff , professional workers and High-quality sales and service teams
Our Product: Double Stage Transformer Oil Purification system, Vacuum Lubricating Oil Purification, Vacuum Turbine Oil Conditioner, Portable Oil Purifier, Singe Stage Insulating Oil Purifier, Water Oil Separator, Light fuel Oil Purifier, and Portable transformer oil tester, Turn ratio Tester, Acid Tester, Moisture Detector, Interfacial Tension Tester, etc.
Our Service: special filter technology consulting and solutions sector; fast after-sale service feedback system, well-trained service engineer; hands-on training and large-scale equipments operation myrmidon; regularly visit system, CRM customer relationship management system; rapid Filter wearing parts and spare parts supply system.
We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
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