- Shape Square type Sensing method Retro-reflective without M.S.R. function Sensing distance When using the E39-R1: 100 mm to 7 m When using the E39-R2: 100 mm to 11 m Standard sensing object Opaque: 75 mm dia. min. (When using the E39-R1) Opaque: 100 mm dia. min. (When using the E39-R2) Directional angle 1.5° min. Light source Red LED (624 nm) Power supply voltage 24 to 240 VAC±10% 50/60 Hz 24 to 240 VDC±10% ripple (p-p) 10% max. Power consumption 2 W max. Control output Relay output (SPDT) 250 VAC 3 A (cosφ= 1) max. 5 VDC 10 mA min. Life expectancy (relay output) Electrical: 100 thousand times or more (switching frequency 1800 times/hour) Mechanical: 50 million times or more (switching frequency 18000 times/hour) Operation mode Light-ON/Dark-ON selectable Protective circuit Mutual interference prevention Response time 20 ms max. Sensitivity setting Single-turn adjustment Ambient illuminance Incandescent lamp: 3,000 lx Sunlight: 11,000 lx Ambient temperature range (Operating) -25 to 55 ℃ (with no freezing or condensation) Ambient temperature range (Storage) -40 to 70 ℃ (with no freezing or condensation) Ambient humidity range (Operating) 35 to 85% (with no condensation) Ambient humidity range (Strage) 35 to 95% (with no condensation) Insulation resistance 20 MΩ min. (500 VDC megger) Dielectric strength 1500 VAC 50/60 Hz 1 min Vibration resistance Destruction: 10 to 55 Hz, 1.5 mm double amplitude each in X, Y, and Z directions for 2 h Malfunction: 10 to 55 Hz, 1.5 mm double amplitude each in X, Y, and Z directions for 2 h Shock resistance Destruction: 500 m/s2 3 times each in X, Y and Z directions Malfunction: 100 m/s2 3 times each in X, Y and Z directions Degree of protection IEC: IP64 Connection method Pre-wired models (Cable length 2 m) Indicator Operation indicator (orange), Stability indicator (green) Weight Package: Approx. 180 g