PT-928 IP68 SS316/304 submersible hydrostatic level sensor with vented cable, anti-clogging protective cap, and RS485/4-20mA outputs. Ideal for deep wells and tanks.
Product Overview：
1，The PT-928 Submersible Liquid Level Transmitter is an industrial-grade hydrostatic sensing solution engineered specifically for deep wells, water treatment tanks, reservoirs, oil/chemical storage, and automated water supply systems. Built with a premium imported piezoresistive silicon sensor core encased in a fully sealed IP68 304 stainless steel housing, the PT-928 provides accurate, long-term liquid depth measurements.
2，To eliminate ambient pressure measurement errors, the PT-928 comes equipped with a specialized vented cable that maintains atmospheric pressure balance inside the sensor casing. The liquid intake is fitted with a removable protective cap to guard against sand, debris, and silt accumulation while making maintenance effortless. Driven by advanced digital temperature compensation and nonlinearity correction, the PT-928 supports 4–20mA, 0–10V analog outputs as well as RS485 (Modbus) and I2C digital signals, backed by a 1-year warranty and OEM/laser-marking branding options.
Key Features & Highlights：
1，Vented Cable for Precision Gauge Reference: Integrated atmospheric air tube balances internal cavity pressure with ambient air, eliminating elevation and barometric measurement errors.
2，IP68 SS304 Submersible Construction: Heavy-duty 304 stainless steel casing with total IP68 sealing guarantees continuous long-term immersion in corrosive fluid environments.
3，Anti-Clogging Removable Protection Cap: Shields the sensitive silicon diaphragm from sand, silt, and mechanical impact, allowing easy removal for routine cleaning.
4，Imported Silicon Core & Digital Calibration: Advanced signal conditioning provides full-span digital thermal compensation and non-linearity correction for high sensitivity and zero drift.
5，Comprehensive Output Options (Analog & Digital): Features 4–20mA, 0–10VDC, RS485 (Modbus), and I2C protocols for seamless compatibility with IoT gateways and PLCs.
6，1-Year Warranty & Custom OEM Branding: Backed by a 1-year warranty with customizable cable lengths, measuring ranges, laser etching, and private-label packaging.
Applications：
1，Water Resources & Municipal Supply: Deep water wells, river reservoirs, water towers, and fire protection tanks.
2，Wastewater & Environmental Engineering: Sewage basins, settling tanks, aeration tanks, and industrial effluent monitoring.
3，Petrochemical & Industrial Processing: Chemical holding tanks, fuel storage, cooling tower basins, and automated process level control.