Automatic acid number tester

Short description:

Automatic acid value tester is a laboratory instrument specially used for acid v...


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Product Detail

Technical Parameters

Automatic acid value tester is a laboratory instrument specially used for acid value measurement of transformer oil and turbine oil.

The instrument conforms to GB/T 264-83, GB/T 7599-1987 and other national standards, adopts the principle of neutralization method, and is automatically controlled by a microcomputer to complete liquid addition, titration, stirring and end point judgment.

The instrument is fully automated through microcomputer control, with a single measurement time of about 10 minutes. It can continuously detect six samples and automatically print the results.

Its acid value detection range usually covers 001-1.000 mg KOH/g, the resolution is 0.001mg KOH/g, and it is equipped with a sealed reagent bottle and an LCD screen, which is suitable for oil quality monitoring in the fields of power, petrochemical, etc.

Main features:

1, 7-inch color touch screen operation, microcomputer automatic control.

2. The detection system uses advanced laser components, high-precision RGB color sensors, with low power and high accuracy.

3. Automatically control the entire process of acid value titration and automatically determine the color endpoint.

4. Program temperature control heating bath, automatic boiling reflux.

5. Automatically drain the waste liquid and clean the reaction bottle at the end of the test.

6. With automatic data query function, it is easy to find and print, and can store 500 sets of historical records.

7. Applicable to GB/T28552-12, GB/T264-83, GB/T7599-87, GB/T258-16 and other standards

8. Applicable oil samples: transformer oil, turbine oil, phosphate ester anti-fuel oil, lubricating oil, etc


1. Method of adoption: principle of reflux method

2. Measurement range: 001-2.0 mgKOH/g

3. Resolution: 0.001 mgKOH/g

4. Measurement error: sample acid value (mgKOH/g) error (mgKOH/g)

      < 0.1          <0.01

0.1-0.3         <0.02

>0.3          <0.03

5. Repetition error: 0.01 mgKOH/g

6. Temperature control accuracy: 0.1 ℃

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