Feature: 1. Achieved a full digital, humanized design concept, with perfect material / liquid level measurement and control, data transmission and human‑machine communication functions. 2. Using engineering plastic ABS waterproof shell, the shell is small and quite sturdy 3. The main chip adopts dozens of related special integrated circuits such as industrial grade single chip, digital temperature compensation and ultra wide voltage input voltage regulation 4. Modular circuit design, military‑quality multilayer PCB board, tight hardware structure and reasonable layout 5. Suitable for water and sewage treatment, electricity and mining Specification: Item Type: Ultrasonic Level MeterRange (optional): 0-5 meters / 0-10 meters / 0-15 meters / 0-20 meters Blind Area: <0.4-0.5 meters (different from the range) Error: ± 0.25% F.S Display: 4-digit 8-segment 0.36 inch LED Minimum Display Resolution: 1mm Keyboard: 3 touch keys Working Frequency: 20 ~ 350KHz (different due to model specifications) Power Supply: 12-24VDC Power Consumption: <1.5W Output Mode: 4-20mA R L> 600Ω Instrument Material: ABS engineering plastics Size: 092mmx198mmxM60 Electrical Interface: M20X1.5 (two groups) Installation Interface: M60 Incoming Cable: There are terminals inside Working Environment: Normal temperature and pressure Protection Level: IP67 Explosion-proof Grade: EXiall BT4Gb Temperature: -10℃ ~ 60℃ Pressure: Normal pressure Relative Humidity: 0 ~ 95% Function of Product: 1. Backup and restore setting parameters 2. Measurable level, liquid level, volume, weight, etc. 3. 4-20mA analog output 4. With digital filtering and echo recognition function 5. Fixed interference filtering function can be manually set 6. Support custom math function operation Application Areas: Water and sewage treatment Pump room, water collection well, biochemical tank, sedimentation tank, etc. Electricity, mining Mortar pool, coal slurry pool, water treatment, etc.. Package List: 1 x Ultrasonic Level Meter Note: New‑style and old‑style are shipped randomly