Acid Number and Acidity Tester
Purpose
The instrument is suitable to determine acid number of transformer oil and turbine oil.
It is designed and made as per the National Standard GB/T264-83 “Test Methods for Acid Number of Petroleum Products”. It takes a blue LCD for display. It can make determination, print test data automatically using a microprocessor. Test procedures are automatically controlled by the microprocessor. Operation procedures are intuitive and simple. Adopt a magnetic stirrer, it is safe, reliable, delicate, and there is less noise during test procedure.
Technical parameters
1. Power supply: 220V±10％, 50Hz;
2. Power consumption: ﹤100W;
3. Measurement range: 0.001～0.999 mg KOH/g;
4. Resolution: 0.001 mg KOH/g;
5. Test accuracy:
(1) Acid number ＜0.1: ±0.005 mg KOH/g;
(2) Acid number ≥0.1: 5% of displayed value;
6. Repeatability: 0.004 mg KOH/g;
7. Ambient temperature: 10℃～40℃;
8. Relative humidity: ＜75％
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