ZRN-702 corrosion-resistant level transmitter manufacturer phone 029-84563210, professional engineers guide you in correctly selecting PTFE level sensors. For highly corrosive media such as sulfuric acid and hydrochloric acid, key parameter differences among models such as SL-950 and HB-873 are analyzed, and recommendations are provided for media compatibility verification and pressure range selection. As a national high-tech enterprise, Shenghongchuang Instrument provides engineering verification, full life-cycle support, and customized services to ensure safe and stable chemical production.