Summary
The instrument uses potentiometric titration principle. Recording the titration of the electrode potential and the titration volume, find out the equivalence point and corresponding titrant volume, and thus obtained the sample pH value. This instrument can accurately detect the acid value of transformer oil, turbine oil,anti oil, diesel, gasoline and other petroleum products;Widely used in chemical industry, electric power, oil and other industries, it's the ideal products to current meter acid number of petroleum products. Standard:GB/T264 Determination of acid number,GB7599-87 Determination of acid number in transformer and turbine oils in service(BTB),GB/T7304-2000. GB/T 18609-2001. D664—01.ASTM D664-2011)

I. Main technical features
1. Windows operating platform, Users can dialogue with the computer directly. It's easy to operate. Has a workstation features.
2. Titration curve real-time display, the titration curve and data storage and printing.
3. Imported titration unit.Measuring accuracy better stability.
4. Automatic cleaning, automatic constant liquid.
5.Automatic detection of end points, Automatic filtering false end, At the same time can determine the endpoint of artificial selection.
6. With continued dosing function.

II. Main technical specifications           
1. Measuring range:＞0.01mgKOH/g
2. Accuracy:relative error≤5%
3. Potential measurement range:0～±1999.5mv
4. fundamental error:0.1%  ±0.5mv
5. Burette volume:10ml
6. Burette minimum volume:0.01ml
7. Burette accuracy:±0.1%F·S
8. Instrument : Host, titration unit, computer(with operation software), printer and so on.