renovation of apmc bps.-providing/ fixing of water level indicator digital display through ultrasonic sensor, this ultrasonic sensor will be suitable for clear water tank, with the capability to observe the water depth in meter/feet as per the requirement upto 15-meter depth. this system will operate on 220v / 440v ac. ultrasonic sensors input power supply will be 24 vac ±10%, type: 2/4 wire, dead band 450mm for up to 18 meter, beam angle (a): 12°/14°/5°, applied material: pp/pvdf/abs/pc housing, ingress protection against short circuit, process temperature: -10° c to 60° c, ambient temperature: -10° c to 55° c, operating pressure: atmospheric, accuracy: ±(0.2% of measured distance +0.05% of range), resolution (depend on distance): 1mm to 10mm, output: analog: 4-20ma, top mounted., lcd display, controller having 2 relay 4 outputs, contact rating 230v ac, 7 amp., configurable as control outputs on separate set points, with pre-defined logic with 7 segments led, supported by 4 key tack-tile keyboards, input will be 4-20 ma linear with resolution. supply 230v ac 50hz & output 24 vdc 120 ma. with enclosure and frame of ss to hang the sensor, all the accessories fitted will be in powder coated paint crc sheet cabinet, with 3 core shielded copper wire 1.5 sq. mm (as per requirement).