Introduction: The instrument is in accordance with the national petrochemical industry SH / T0251-93 "Determination of the basic value of petroleum products," the requirements of manufacturing and supporting the ZD-2-type automatic potentiometric titrator and DZ-1 titration device, etc., for Petroleum products and used petroleum products and additives. To the principle of acid and alkali neutralization, titration with perchloric acid method to determine the potential to reach the end of the change, the calculation of the sample to calculate the base value. Technical indicators: ⑴ capacity analysis: titration concentration: 0.1N; Control accuracy: ≤± 0.02ml; ⑵ automatic acid titration: titration concentration: 0.1N; Control accuracy: ≤± 0.1pH; ⑶ automatic electrode potential control: titration concentration: 0.1N; Control accuracy: ≤ 10mV; ⑷ temperature compensation: manual compensation; 2) 5 ~ 60 ℃; ⑸ End point adjustment range: pH 1 ~ 13 or ± 100 ~ 1300 mV between; ⑹ titration pre-control range: from the end point 1 ~ 3 pH or 100 ~ 300 mV; ⑺ working power: AC220V ± 10%; 50Hz. ⑻ indoor temperature: 0 ~ 35 ℃; ⑼ relative humidity: ≤ 85%
Introduction: The instrument is in accordance with the national petrochemical industry SH / T0251-93 "Determination of the basic value of petroleum products," the requirements of manufacturing and supporting the ZD-2-type automatic potentiometric titrator and DZ-1 titration device, etc., for Petroleum products and used petroleum products and additives. To the principle of acid and alkali neutralization, titration with perchloric acid method to determine the potential to reach the end of the change, the calculation of the sample to calculate the base value.