V91BP / N-01 amplifier with potentiometer for miniature opto sensors
The universal switching amplifier has a selectable pulse stretching (50 ms) and light / dark switching. The sensitivity (threshold) can be 3-turn potentiometer can be set with one. With the switch RES can be the default mode (St.) with high range or high-resolution mode select (Hi.) With higher resolution and lower range.

Operating voltage: 10-30 V DC
Switching Output: PNP / NPN
Switching frequency: 500 Hz
Terminal (supply): M8, 4-pin