Jkjd100-1 insulating oil volume resistivity automatic tester

Main functions and features:
1. This instrument is designed and manufactured according to the requirements of the power industry standard DL421-2009 of the People's Republic of China.
2. The instrument adopts a large screen LCD display, and the electrode cup adopts a three electrode, inner and outer electrode dual temperature control structure. It has the inspection and self inspection, self calibration, and self diagnosis of the cleaning and drying quality of the empty cup electrode.
3. Adopting classic PID temperature control method, automatic constant temperature, automatic measurement, with functions of saving and printing experimental results.
Main technical indicators:
1. Test range: 2.0 × 105~1.0 × 1013 Ω· M
2. Testing accuracy:
Repeatability:
When the volume resistivity is greater than 1.0 × 1010 Ω· m, the relative error is 25%
When the volume resistivity is ≤ 1.0 × 1010 Ω· m, the relative error is 15%
Reproducibility:
When the volume resistivity is greater than 1.0 × 1010 Ω· m, the relative error is 35%
When the volume resistivity is ≤ 1.0 × 1010 Ω· m, the relative error is 25%
3. Test voltage: 500 VDC with an error greater than 0.5%
4. Constant temperature time: 0-59 minutes
5. Charging time: 0-99 seconds
6. Discharge time: 0-9 minutes
7. Temperature control range: 15-100 ℃, temperature control accuracy ± 0.5 ℃
8. Electrode cup parameters:
Electrode type: Three terminal electrode, dual temperature control for inner and outer electrodes
Electrode Material: Special Steel
Insulation material: Polytetrafluoroethylene
Electrode spacing: 2.0 mm
Empty cup capacitor: 30.0 pF
Empty cup insulation resistance:>3.0 × 1012 Ω
9. Applicable humidity: 30% to 70%
10. Power supply: AC 220V ± 10%, 50Hz ± 5%
11. Power: less than 1200W