These ultrasonic water level sensors are general purpose ultrasonic sensor providing non, Contact level detection As many as four9. 2 1. 25 m with 4 relays for switch or control functions and continuous level measurement. Supplied with the sensor, The configuration software, Provides flexible system integration or retrofit of existing level devices with configuration control. Features 49 inch 1. 25 m range. Compact sensor with 2 dead band and beam width are optimized for small tank applications1 npt mountingreliable, Non, Contact alternative to float and conductivity level sensors for corrosive, Sticky or dirty mediaoutputs continuous level and provides full pump or valve controlpvdf transducer for corrosive liquid mediaspecifications range 49. 2 1. 25 m accuracy 0. 125 3 mm resolution 0. 019 0. 5 mm beam width 2 5 cm dead band 2 5 cm supply voltage 24 volts direct current loop loop resistance 400 max. Consumption 0. 5 wsignal output 4, 20 ma, Two, Wire when loop powered loop fail safety 4 ma, 20 ma, 21 ma, 22 ma or hold lasthysteresis selectableconfiguration software pc windows usb 2. 0temp. Comp. Automatic over rangeprocess temp. 20 f up to 140 degrees Fahrenheit, 7 c to, 60 c ambient temp., 31 f to, 140 f, 35 c to, 60 c pressure mwp =30 psienclosure type 6p encapsulated, Corrosion resistant & submersible