TSDD-Type II microcomputersourThe value measuring instrument uses potentiometric titration to automatically distinguish the titration endpoint and calculate the result automatically，This instrument is suitable for determining the acid value in samples such as crude oil, lubricants, and petroleum products in the petrochemical industry. The determination of acid value is one of the important indicators for judging the quality of oil products.

Compliant with standards:
GB/T 7304 Determination of Acid Value of Petroleum Products and Lubricants (Potentiometric Titration Method)
GB/T 18609 Determination of Oleic Acid Value (Potentiometric Titration Method), etc
Technical Indicators:
Measurement range: ≥ 0.001 mgKOH/g
Potential measurement range: -1999.9 to+1999.9mV
Basic error of electronic unit: 0.1% F • S ± 0.1mV
Input impedance: ≥ 1 × 1012 Ω
◆ burette volume: 10mL
◆ Titration volume: 0.001mL
Accuracy of burette: ± 0.1% F • S
Precision: Complies with relevant standards
◆ Environmental temperature: 0-35 ℃
Power supply: AC220 ± 22V, 50Hz
Characteristics:
◆ Windows operating platform, direct human-machine dialogue, convenient operation, with workstation function.
Real time display of titration curve, storage and printing of titration curve and results with data.
Adopting imported titration units, the instrument has higher measurement accuracy and better stability.
◆ Automatic cleaning and automatic constant liquid addition.
◆ Automatically identify endpoints, filter out false endpoints, and manually select endpoints for judgment.
◆ It has the function of continuing titration.