Proximity Sensors Ring Style Sensors 3-Wire DC Type 972RS Series FEATURES 1 Sealed to NEMA 3, 4, 12, 13 1 Ring style sensor – drop-thru sensing 1 .75 in. ring dia. 1 Detects items as small as .062 in. diameter 1 0 to 50°C (32 to 122°F) temperature range 1 LED output indicator 1 Sensitivity adjustment to maintain stability over wide range of target sizes 1 Incorrect wiring, short circuit protection (sourcing) 1 TTL compatible, 0.5VDC saturation voltage (NPN output only). ORDER GUIDE Sensor Package Style Sensing Range mm (in.) Sensor Type Adjustable 3-wire DC LED Sw. Freq. Output Type Catalog Listing YES 350 Hz NPN, N.O. PNP, N.O. 972RS.75-A8N-L 972RS.75-A8P-L Minimum target size: 1,6 (.06) diameter x 6,2 (.25) long SPECIFICATIONS 922 Series Sensor Type 3-wire DC Supply Voltage 8.5-35 VDC Load Current, min./max. 0 - 200 mA Leakage Current, max. 10 µA Voltage Drop, max. .5 V Sink, 1.5 V Source Current Consumption, max. 20 mA Repeatability, Unshielded ±3% Hysteresis 3-15% Housing Material Polycarbonate Cable Type PVC jacket, 26 gage MOUNTING DIMENSIONS (For reference only) mm in. WIRING DIAGRAMS NPN (Sinking) N.O. PNP (Sourcing) N.O. B38 Honeywell 1 MICRO SWITCH Sensing and Control 1 1-800-537-6945 USA 1 F1-815-235-6847 International 1 1-800-737-3360 Canada