High technology portable insulating oil tester, break down voltage testing set

ST Insulating oil tester 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, 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. Adopts automatic test function, this device can operate reset and set the booster return-to-zero automatically. 
2. Adopts mini TPU-A panel printer, printing the output data automatically. 
3. Testing frequency, blend standing time, acoustic control and optically control remind continues printing or not can be set in accordance to the requirement of the client. 
4. Adopts magnon blending technology, this device can eliminate heterogeneous mixing and bubbles.

Breakdown Voltage Tester(BDV Tester) is developed according to the national standard GB-86 Insulating Oil Dielectric Strength Testing Method .The tester can test three cups of oil at the same time LCD screen can display test procedure and test result. All the human interaction operations complete by the rotating mouse .It is very easy for customers to measure the breakdown voltage of all kinds of oil by ASSEN ST-100. You can print the test result by the micro printer internal the tester. Of course, you can upload the test data to PC from RS232 for data analyzing. The special circuit design makes the tester has a good performance at stability and anti-noise.

Insulating oil tester's technical Data:

Insulating 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 Fully-auto Dielectric 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.