Key Specifications Parameter Value Manufacturer Omron Automation and Safety -1 Series E3T -1 Product Type Photoelectric Sensor (Built-in Amplifier) -1 Shape Flat Rectangular (Square) type -1-2 Sensing Method BGS (Background Suppression) Reflective -1-10 Sensing Distance White paper 50 x 50 mm: 1 to 15 mm (0.039" to 0.591") -1-6 Minimum Sensing Object 0.15 mm dia. min. (non-glossy object, at 10 mm distance) -1 Differential Distance (Hysteresis) 0.5 mm max. -1 Reflectivity Characteristic (Black-White Error) 15% max. -1 Light Source Red LED (650 nm wavelength) -1 Output Type NPN - Open Collector -1-10 Operation Mode Dark-ON (Output active when light is interrupted) -1-10 Supply Voltage 12 to 24 VDC ±10% (ripple P-P 10% max.) -1 Current Consumption 20 mA max. -1 Control Output Current 50 mA max. -1 Residual Voltage 1 V max. (Load current <10 mA); 2 V max. (Load current 10-50 mA) -1 Response Time 1 ms max. (operate and reset) -1 Protection Circuits Output short-circuit, Output reverse polarity, Power supply reverse polarity -1 Ambient Illuminance Incandescent lamp: 5,000 lx max.; Sunlight: 10,000 lx max. -1 Ambient Temperature (Operating) -25°C to 55°C (with no freezing or condensation) -1 Ambient Temperature (Storage) -40°C to 70°C (with no freezing or condensation) -1 Ambient Humidity (Operating) 35% to 85% (with no condensation) -1 Ambient Humidity (Storage) 35% to 95% (with no condensation) -1 Insulation Resistance 20 MΩ min. (at 500 VDC) -1 Dielectric Strength 1,000 VAC, 50/60 Hz for 1 minute -1 Vibration Resistance (Destruction) 10 to 2,000 Hz, 1.5 mm or 300 m/s², 0.5 hours each in X, Y, Z -1 Shock Resistance (Destruction) 1,000 m/s², 3 times each in X, Y, Z -1 Protection Rating IP67 (IEC 60529) -2-3 Connection Method Pre-wired (Cable length options: 0.3m, 2m, 3m, 5m) -1-5 Standard Cable Length 2 meters (E3T-FL12 2M) -1 Indicators Operation indicator (orange), Stability indicator (green) -1 Housing Material Case: Polybutylene terephthalate (PBT) -1 Lens Material Denatured Polyarylate -1 Dimensions (approx.) 12 x 24 x 3.5 mm -3 Weight (Packed) Approx. 20 g