wide range: Level 1: r160 / R250 Level 2: r160 / R250 / r400 Q2 / Q1 = 1.6;

　　low initiating velocity: initiating velocity ≤ 5mm / S;

　　Anti disassembly design: no detachable parts on the surface of the whole machine;

　　The protection grade of the whole machine is IP68. which can operate normally in immersion environment for a long time;

　　Low power design, battery life up to3-6 years;

　　Requirements for zero straight pipe section: the installation of zero straight pipe section of front and rear bends still ensures the accuracy of level 2 meters;

　　Convenient digital transmission: read memory traffic data through RS-485 or GPRS wireless;

　　Alarm system: water over limit or sudden change alarm, reverse flow alarm, low power alarm, air pipe alarm, excitation alarm, pressure upper and lower limit alarm, etc;

　　Integrated pressure measurement optional: pressure and flow synchronous acquisition and display and upload data;

　　Multiple power supply modes, suitable for different needs;

　　It can be used in multi-channel water inflow area.