SYD-251 Petroleum product alkali value testerDetailed product description：

The SYD-251 petroleum product alkali value analyzer is manufactured and matched according to the requirements of the petrochemical industry standard SH/T0251-93 "Petroleum Product Alkali Value Determination Method" of the People's Republic of China. It consists of ZD-2A automatic potentiometric titrator, titration table, burette and other devices, and is suitable for the determination of alkaline components in petroleum products, used petroleum products and additives.

1、 Main technical features
1. This instrument uses the principle of acid-base neutralization and the method of perchloric acid potentiometric titration to determine the endpoint based on potential changes and calculate the base value of the sample.
2. This instrument is equipped with 5 measuring electrodes and 3 burettes of different specifications, which can meet the determination of alkaline components in oil products.
3. This instrument has a wide measurement range, high measurement accuracy, complete supporting facilities, and is easy to use.

2、 Main technical parameters and indicators
ZD-2A automatic potentiometric titrator
1. Measurement range: pH: 0-14.00pH; mV：0～±1999mV；
2. Measurement accuracy: pH: ± 0.01; mV：0.1%F.S；
3. Point control accuracy: ± 0.03pH or ± 3mV;
4. Input impedance: not less than 1 × 1012 Ω;
5. Capacity analysis repeatability: not greater than 0.3% F.S;
6. Indoor temperature: 0-35 ℃;
7. Relative humidity: ≤ 85%.