Ultrasonic Sensors Monitor The Fill Level of Sewage Sludge Us9000 Holykell. Wide Measurement Range: Max range up to 70m with options for 5M to 50M for various applications. High Precision Accuracy: Achieves 0.25%-0.5%F.S accuracy with 3mm resolution for reliable data. Robust Waterproof Design: IP65 to IP68 waterproof rating, customizable for harsh environments. Explosion Proof Option: Available explosion-proof type with 5 Bar working pressure for safety. Versatile Output Signals: Supports 4-20mA, RS485, Relay, and various voltage outputs. OEM/ODM Customization: Full customization from samples or designs with 7-12 day lead time. Long-Term Warranty: 18 months warranty with lifetime maintenance support for sensors. Multi-Industry Application: Suitable for sewage, food, petrochemical, and mining industries.