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Dshd 421 Insulating Oils Volumetric Resistivity Tester - China

price: contact company for price

DSHD- 421 Insulating Oils Volumetric Resistivity Tester is a new

instrument specially developed for resistivity determination using the

active bridge principle as per the Industry Standard of People’s

Republic of China DL/ T421- 91 “Test Method for Volume Resistivity of

Insulating Oils”. Equipped with parameters measurement system and oil

cup heating control system

DSHD- 421 Insulating Oils Volumetric Resistivity Tester can time, read readings and save test data automatically. So as to achieve the advantages of simple structure, excellent linearity, high sensitivity, stability and safety. Compared with the instrument using voltage or current method, the better it is.

Excepting to determine the volume resistivity of insulating oils, DSHD- 421 Insulating Oils Volumetric Resistivity Tester can also used to determine resistivity of transformer oil and lubricating oils.

Further more, DSHD- 421 Insulating Oils Volumetric Resistivity Tester is the best choice to determine volume resistivity of lubricating oils in the power industry, petroleum industry, scientific research institutes, and relative factories and companies.

B: Main technical specifications and parameters:

  ( I) Operation condition

  1. Ambient temperature: 0℃ ~ 40℃

  2. Relative humidity: ≤ 85%

  3. Power supply: AC 220V±10% , 50Hz±1Hz

  ( II) Measurement parameters

  1. Measurement voltage: DC 500 V

  2. Measurement range: 10 8 ~ 19.99×10 13 Ω · cm

  3. Repeatability:

  ( 1) > 1012 Ω · cm: ≯ 25%

  ( 2) < 1012 Ω · cm: ≯ 15%

  4. Heating power for temperature control: 300 W

  5. Temperature controlling range: 30℃ ~ 100℃

  6. Temperature controlling accuracy: ±0.5℃

  7. Measurement error: ≤ ±10%

  8. Measurement electrode cup: 3 pieces


Company Contact:


  • Phone: 13286053263

  • Address: nanping,zhuhai, zhuhai, China

  • Email: Email


Published date: July 10, 2014 -

  • Business Description: Zhuhai Dshing Import&Export Co.,ltd,approved by Zhuhai special economic zone industrial and commercial bureau,is one of the leading manufacturers in geological instruments,Petroleum instruments as well as other laboratory instruments and so on.
    Since it was founded in 2010, the company has a group of highly qualified technical personnel specialized in research and development , with well trained workers,world class services ,advanced machinery and equipment.Our enterprise absorbs domestic and overseas advanced technology and excellent management concept, and constantly develop new products as well as providing thoughtful services to our customers from all over the world.

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