Key Specifications Parameter Specification Model E3S-R11 2M Brand OMRON (Omron Automation and Safety) Series E3S-R (Transparent Object Detection Sensor) Sensing Method Retro-reflective with M.S.R. function Optical Characteristics Parameter Specification Sensing Distance 0.1 to 1 m (when using E39-R1 reflector) Standard Sensing Object Opaque: 75 mm dia. min.; Transparent: 0.7 mm glass plate Light Source Red LED (660 nm wavelength) Directional Angle 3 to 10° Ambient Illuminance Incandescent: 5,000 lx max; Sunlight: 10,000 lx max Electrical Characteristics Parameter Specification Output Type NPN open-collector Output Rating 30 VDC max., 100 mA max. Residual Voltage 1 V max. Operation Mode Light-ON / Dark-ON (selectable) Rated Supply Voltage 10 to 30 VDC (including 10% ripple p-p) Current Consumption 30 mA max. Response Time Operate or reset: 1 ms max. Sensitivity Setting 2-turn endless adjustment Protection Circuits Output short-circuit protection, Power supply reverse polarity protection Mechanical & Environmental Characteristics Parameter Specification Degree of Protection IEC IP67 Connection Method Pre-wired (2 m PVC cable) Indicators Operation indicator (red), Stability indicator (green) Case Material Polybutylene terephthalate (PBT) Lens Material Denatured Polyarylate Mounting Bracket Material Stainless steel (SUS304) Ambient Temperature (Operating) 0 to 40°C (with no freezing or condensation) Ambient Temperature (Storage) -40 to 70°C (with no freezing or condensation) Ambient Humidity (Operating) 35 to 85% (with no condensation) Insulation Resistance 20 MΩ min. (at 500 VDC) Dielectric Strength 1,000 VAC 50/60 Hz for 1 minute Vibration Resistance 10 to 55 Hz, 1.5 mm double amplitude, 2 hours each in X/Y/Z Shock Resistance 500 m/s², 3 times each in X/Y/Z directions Weight (Package) Approx. 110 g