Further information for Pepperl + Fuchs PF ultrasonic sensor 233248 - UBE800-F77-SE2-V31
Detection range: 0 ... 800 mm distance transmitter-receiver, operating voltage: 20 ... 30 V DC, ripple 10 %SS, 12 ... 20 V DC sensitivity reduced to 80%, output type: 1 switching output pnp, normally open