Automatic Cleaning Transformer Oil Dielectric Loss and Volume Resistivity Test SH124

SH124 automatic volume resistivity tester is designed and manufactured according to the requirements of the People's Republic of China power industry standard DL/T421-2009 and the national standard GB/T5654. It is used for measuring the volume resistivity of liquid media such as insulating oil and fuel oil.

SH124 automatic volume resistivity measuring instrument adopts MCS-51 series MCU as the system control core, color LCD display, Chinese man-machine dialogue, guide operation, the measurement process is fully automated (automatic cup change, automatic shift), and rolling storage of 200 test data;

And combined with modern new technology developed from.

The whole equipment of advanced design, reasonable structure, simple operation, safe and reliable, is the contemporary technology level of same sort products at home and abroad the highest performance index, the most perfect resistivity tester, particularly useful in the application of oil monitoring, power sector test results accord with national standard DL421-91 the insulating oil volume resistivity measurement.

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Technical parameters

Executive standard: DL/T421, GB/T5654

Test range: 2.0 x 105 ~ 1.0 x 1013 Ω m.

Test accuracy: repeatability:

Volume resistivity > 1.0 x 1010 Ω m., the relative error of 25%

Volume resistivity 1.0 x 1010 or less Ω m., the relative error is 15%

Reproducibility:

Volume resistivity > 1.0 x 1010 Ω m., the relative error of 35%

Volume resistivity 1.0 x 1010 or less Ω m., the relative error is 25%

Test voltage: 500 VDC maximum error 0.5 %

Constant temperature time: 0 ~ 59 minutes

Charging time: 0 ~ 99 seconds

Discharge time: 0 ~ 9 minutes

Temperature control range: 15 ~ 100℃, temperature control accuracy ±0.5℃

Electrode cup parameters:

Electrode type: three terminal electrode, internal and external electrode double temperature control

Electrode material: special steel

Insulation material: PTFE

Electrode spacing: 2.0mm

Empty cup capacitance: 30.0pF

Empty glass insulation resistance: > 3.0 x 1012 Ω

Power source: AC 220V± 10%, 50Hz± 5%

Power: 500 w or less

Working environment: temperature 10 ~ 35℃, humidity ≤ 85%

SH124 Automatic volume resistivity tester

Packing list

Shandong Shengtai Instruments Co., Ltd. is specialized in the research and production of experimental testing instruments and industrial testing instruments. It is a professional instrument company integrating instrument research and development, manufacturing, sales and service. Its products are widely used in food, flour, grain and oil, Feed, electricity, petrochemical, industrial oil, aerospace, coal quality and other industries.

For more than 10 years, Shengtai has always been adhering to the "first-class service, customer first" as the purpose, "reasonable price, honesty and trustworthiness" as the business policy. Adhere to technical innovation, with rich knowledge of the technical team and experienced, thoughtful after-sales service team.

Shengtai instrument as one of the most large-scale and competitive enterprises in the industry, with the strength of technology research and development, professional technical knowledge and innovative design concept, in the model improvement, Significant technical breakthrough has been achieved in the development of function expansion and intelligent control system.