HSY-251 petroleum product alkali value tester Introduction
The HSY-251 petroleum product alkali value tester is manufactured and matched according to the requirements of the People's Republic of China petrochemical industry standard SH/T 0251-93 "Liquid value determination method for petroleum products", by ZD-2A automatic potentiometric titrator, It consists of a titration stand and a burette and is suitable for the determination of alkaline components of petroleum products and used petroleum products and additives. Features
1. The instrument uses the principle of acid-base neutralization, using the method of perchloric acid potentiometric titration to determine the base value of the sample by the potential change judgment.
2. The instrument is equipped with 5 measuring electrodes and 3 different burettes to meet the determination of alkaline components of oil.
3. The instrument has a large measuring range, high measurement accuracy, complete support and convenient use. Technical Parameters
1. Measurement range: pH: (0~14.00) pH;
mV: (0 ~ ± 1999) mV;
2, measurement accuracy: pH: ± 0.01;
mV: 0.1% F.S;
3. Point position control accuracy: ±0.03pH or ±3mV;
4. Input impedance: not less than (1 × 1012) Ω;
5. Capacity analysis repeatability is not more than 0.3% F.S;
6, indoor temperature: (0 ~ 35) ° C;
7, relative humidity: ≤ 85%;
8, working power: AC (220 ± 10%) V, 50Hz, power consumption is not greater than 50W;
9. Dimensions: 280mm × 200 × mm130mm (length × width × height, host);
10, weight (net weight): 3.5kg
Introduction
The HSY-251 petroleum product alkali value tester is manufactured and matched according to the requirements of the People's Republic of China petrochemical industry standard SH/T 0251-93 "Liquid value determination method for petroleum products", by ZD-2A automatic potentiometric titrator, It consists of a titration stand and a burette and is suitable for the determination of alkaline components of petroleum products and used petroleum products and additives.