Why High-Precision Testing Is a "Must-Have" for Petrochemical Labs?

In the petrochemical industry, the testing precision of oil indicators like acid value and base number is directly related to product quality and usage safety. For the "high precision" feature, how is it achieved through specific designs, and what practical value can it bring to labs?

The "high precision" of the SH108C is not just an improvement in a single link, but a full-chain guarantee from hardware configuration and testing principles to data processing, fully meeting the petrochemical industry’s strict demand for "zero-error" test results.

In terms of hardware, the instrument’s titration system uses imported corrosion-resistant components. For example, the 10mL burette has an accuracy of ±0.2%F·S, with a minimum titration volume of 0.001mL, avoiding dosage deviations caused by component aging or material corrosion. Meanwhile, the basic error of the electronic unit is controlled at 0.1%F·S±0.1mV, and the input impedance is ≥1×10¹²Ω, ensuring even weak potential changes are accurately captured, laying a reliable foundation for subsequent data calculations.

In the core testing link, high precision is reflected in the intelligence and accuracy of "endpoint judgment". The instrument complies with international standards such as ASTM D664 and ASTM D2896, and is equipped with algorithms like Dynamic Equivalence Titration (DET) and Equivalence Equivalence Titration (MET). It can collect real-time potential curves (E-V) and first derivative curves (DE/DV), lock the reaction endpoint through multi-dimensional data cross-validation, and automatically filter out "false endpoints" caused by interference signals. This solves the subjective error problem of "judging color/potential changes by experience" in traditional manual titration, stabilizing the accuracy of test results above 99.9%.

Additionally, high precision extends to the data traceability link. The instrument automatically stores complete titration data (including electrode potential, titration volume, reaction time, etc.) and generates traceable Excel documents and printed reports, avoiding typos or data loss during manual recording. For petrochemical labs, this "high precision + traceability" combination not only ensures the credibility of each test result but also enables quick verification during product quality traceability and scientific research data review. It can be said that the high-precision design of the SH108C is both a "safety valve" for ensuring petrochemical product quality and a "booster" for promoting industrial scientific research and innovation.