In the field of measurement for highly corrosive media, the DB-88 anti-corrosion level transmitter has redefined industry standards with its proven performance of continuous operation for 1000 hours without failure in 98% concentrated sulfuric acid. As a flagship product of Xi'an Shenghongchuang Instrument Co., Ltd., this level sensor made of polytetrafluoroethylene provides a reliable solution for measuring strong acid and alkali media in industries such as chemical processing and electroplating.

I. Technical Performance and Parameter Analysis

The DB-88 anti-corrosion level transmitter uses full polytetrafluoroethylene (PTFE) material to encapsulate the core sensor components, and its corrosion resistance far exceeds that of traditional 316L stainless steel. Test data shows that in extreme environments such as 98% concentrated sulfuric acid, 37% hydrochloric acid, and 40% sodium hydroxide, its signal output stability error is less than ±0.5%FS. Key parameters include: selectable measuring range of 0-10m, output signal of 4-20mA+HART protocol, process connection flange standard HG/T20592-2009, and protection rating IP68. The specially designed corrugated isolation diaphragm can withstand 2.5 times overload pressure, ensuring accurate measurement even under pressure fluctuation conditions in chemical production.

II. Comparative Analysis and Industry Standards

Compared with common models on the market such as CYH-136ZF and WMY-SFYX, the DB-88 has significant advantages in three dimensions: first, in material technology, it uses imported German PTFE raw materials processed through special sintering treatment, with porosity lower than 0.3%; second, in structural design, the original "three-chamber isolation" technology (Patent No. ZL202010235678.X) completely isolates electronic components from the medium; finally, in the certification system, it has passed both SIL2 functional safety certification and NEPSI explosion-proof certification. According to the standard test of GB/T17614-2018 "Transmitters for Industrial Process Control Systems", its MTBF (mean time between failures) reaches 150000 hours, far exceeding the industry baseline of 80000 hours.

III. Typical Application Scenarios and Cases

In a sulfuric acid storage tank project at a large chemical plant in Shaanxi, after 32 DB-88 transmitters replaced the original PT-3022 model, the maintenance cycle was extended from 3 months to 2 years. The specific application data is as follows:

IV. Procurement Selection and Technical Support

For different medium characteristics, Xi'an Shenghongchuang provides customized solutions: for special media such as hydrofluoric acid, the BYP-264 Hastelloy sensor can be selected; for strong alkali environments, the PFA-coated version of model PH-356 is recommended. The technical team provides full-process services from selection calculation (including parameters such as medium density compensation and temperature influence coefficient) to installation guidance, with a typical delivery cycle of 7 working days. Compared with imported brands such as UBY-3131, the DB-88 offers a price advantage of 30-45% while maintaining equivalent performance.

V. Why Choose Shenghongchuang

As a national high-tech enterprise, we have 12 patents related to level measurement, and our production base is equipped with a corrosion test chamber certified by Germany's Carl Duisberg Testing Center. All products undergo 72-hour aging tests and 48-hour pressure cycle tests before leaving the factory, and come with an ultra-long 3-year warranty. If you need detailed technical white papers for models such as ND-23 or would like to arrange on-site testing, please call 029-8456XXXX or visit www.sensor-tech.cn to submit your request online, and our professional engineers will respond within 2 hours.