Product Name: Acid Number Tester (RAY-264A) Model NO.: RAY-264A Application: Oil Product, base Oil, Derivatives Type: Heavy Crude Oil Usage: Lubricants Color: Transparent Trademark: RAYLABEL or OEM Transport Package: Carton Specification: CE ISO9001 Origin: China HS Code: 9027809900 Product Description 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 parameters1. 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: 10~40degree;8. Relative humidity: <75%