Water level non contact laser sensor consists of a plastic body & Threaded Connection,
Different rate of Level signal outputs the corresponding pulse signal. Use with laser measure much accurate reading.
 
Working Voltage: DC 5V~24V
Non Cotact Sensing
Maximum Working Current: 15mA @ 5V DC
Distance Range: from 3 mm to ~ 4000 mm (0.1 ft to 13.3 ft) 
Connection: 1" male NPT to 2" NPT male threaded
Liquid Temperature: ≤120℃
Water Pressure: ≤2.0MPa
Storage Temperature: -25～+ 80℃
Signal Output: DC 0...5 V, 0.5...4.5V,  0...10V, 4...20mA
Switch 1 or 2 SPDT Alarm Relays,