Key Specifications Parameter Specification Brand OMRON Model E3T-ST14M 2M Series E3T Sensor Type Photoelectric Sensor, Built-in Amplifier Sensing Method Through-beam (Opposed) Type Sensing Distance 1 m (1000 mm) Standard Sensing Object Opaque object, 2 mm dia. min. Minimum Detectable Object 2 mm dia. (opaque) Light Source Red LED (650 nm wavelength) Directional Angle Emitter: 2° to 20°, Receiver: 2° to 70° Output Type PNP Open Collector Output Current 50 mA max. Residual Voltage 1 V max. (Load current <10 mA) 2 V max. (Load current 10-50 mA) Operation Mode Dark-ON (Output ON when light is blocked) Response Time 1 ms max. (Operate or reset) Power Supply Voltage 12 to 24 VDC ±10% (ripple 10% max.) Current Consumption Emitter: 10 mA max. Receiver: 20 mA max. Protection Circuits Output short-circuit protection Output reverse polarity protection Power supply reverse polarity protection Indicators Operation indicator (orange LED) Stability indicator (green LED) Connection Method Pre-wired cable, 2 m length Protection Rating IP67 (IEC 60529) Operating Temperature -25 to 55°C (with no freezing or condensation) Storage Temperature -40 to 70°C Operating Humidity 35% to 85% RH Insulation Resistance 20 MΩ min. (at 500 VDC) Dielectric Strength 1000 VAC 50/60 Hz for 1 min Vibration Resistance 10 to 2000 Hz, 1.5 mm double amplitude or 300 m/s² Shock Resistance 1000 m/s², 3 times each direction Housing Material Case: Polybutylene terephthalate (PBT) Lens Material Denatured Polyarylate Dimensions (W × H × D) 7 mm × 24.5 mm × 12.8 mm Weight (packaged) Approx. 40 g Accessories Included Instruction manual Standards/Certifications CE, UL (E3T-[]-UL series), RoHS compliant