Page top

E3S-CT61 2M

Oil-resistive, Long-range Photoelectric Sensor with Metal Housing


Oil-resistant, Long-range Photoelectric Sensor with Metal Housing, Through-beam type, Vertical type, Sensing distance 30 m, Pre-wired models, 2 m

Sensing method Through-beam type
Sensing distance 30 m
Light source Infrared LED (850 nm)
Connection method Pre-wired models

Item list of E3S-C

  • Ratings/Performance
ShapeSquare type
Sensing methodThrough-beam type
Sensing distance30 m
Standard sensing objectOpaque: 15 mm dia. min.
Directional angleEmitter: 3 to 15 °
Receiver: 3 to 15 °
Light sourceInfrared LED (850 nm)
Power supply voltage10 to 30 VDC ripple (p-p) 10% included
Current consumptionEmitter: 25 mA max.
Receiver: 25 mA max.
Control outputNPN/PNP open collector (selectable)
30 VDC max.
100 mA max.
Residual voltage: 1.2 V max. (NPN output)
Residual voltage: 2 V max. (PNP output)
Operation modeLight-ON/Dark-ON selectable
Protective circuitOutput short-circuit protection, Power supply reverse polarity protection
Response timeOperate or reset: 1 ms max.
Sensitivity settingSingle-turn adjustment
Ambient illuminanceIncandescent lamp: 5,000 lx max.
Sunlight: 10,000 lx max.
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 resistance20 MΩ min. (500 VDC megger)
Dielectric strength1000 VAC 50/60 Hz 1 min
Vibration resistanceDestruction: 10 to 2000 Hz, 1.5 mm or 300 m/s2 double amplitude for 0.5 hours each in X, Y, and Z directions
Shock resistanceDestruction: 1000 m/s2 3 times each in X, Y and Z directions
Degree of protectionIEC: IP67
Company standard: Oil-proof
NEMA: 6P (indoors only)
Connection methodPre-wired models (Cable length 2 m)
IndicatorLight indicator (red), Stability indicator (green), Power indicator (red)
WeightPackage: Approx. 270 g
AccessoriesInstruction manual, Mounting bracket (with screws), Adjustment driver
MaterialCase: Zinc diecast
Lens: Methacrylate resin
Cover: Polyether sulfone
Mounting Bracket: Stainless steel (SUS304)
  • Dimensions

  • Output circuit diagram

  • Timing chart

  • Parallel operating range

  • Setting distance

Excess gain ratio vs. setting distance


Oil-resistive, Long-range Photoelectric Sensor with Metal Housing