Eaton E71-FFDP-CA NanoView Diffuse Reflective Sensor, PNP, 10cm, 10-30VDC $29.95Save up to 20% when you buy more
Turck Ni15-EM30-LiU 7m 1535608 Inductive sensor w/ Analog Output 0-10V/0-20mA $169.95Save up to 15% when you buy more
Pepperl+Fuchs NBN4-F29A-E2-C-Y89937 089937 4mm Inductive PNP Proximity Sensor $49.95Save up to 20% when you buy more