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Compact Laser Photoelectric Sensor with Built-in Amplifier


Retro-reflective with M.S.R. function, Sensing distance When using the E39-R12: 0.2 to 7 m, Light-ON/Dark-ON selectable, NPN, M8 connector models, Red LD (655 nm)

Sensing method Retro-reflective with M.S.R. function
Sensing distance When using the E39-R12: 0.2 to 7 m
Light source Red LD (655 nm)
Connection method M8 connector models

Item list of E3Z-LT / LR / LL

  • Ratings/Performance
ShapeSquare type
Sensing methodRetro-reflective with M.S.R. function
Sensing distanceWhen using the E39-R12: 0.2 to 7 m
Spot size5 mm dia. max. (sensing distance: 3 m)
Standard sensing objectOpaque: 75 mm dia. min.
Minimum sensing object6 mm min. dia. (at 3 m)
Light sourceRed LD (655 nm)
Classification of laserIEC: Class 1
FDA: Class 1
JIS: Class 1
Power supply voltage12 to 24 VDC±10% ripple (p-p) 10% max.
Current consumption30 mA max.
Control outputNPN open collector
26.4 VDC max.
100 mA max.
Residual voltage: 1 V max. (Load current Less than 10 mA)
Residual voltage: 2 V max. (Load current 10 to 100 mA)
Operation modeLight-ON/Dark-ON selectable
Protective circuitOutput short-cut protection, Output reverse polarity protection, Power supply reverse polarity protection, Mutual interference prevention
Response timeOperate or reset: 1 ms max.
Sensitivity settingSingle-turn adjustment
Ambient illuminanceIncandescent lamp: 3000 lux max., Sunlight: 10000 lux max.
Ambient temperature (Operating)-10 to 55℃ (with no freezing or condensation)
Ambient temperature (Storage)-25 to 70℃ (with no freezing or condensation)
Ambient humidityOperating: 35 to 85% (with no freezing or condensation)
Storage: 35 to 95% (with no freezing or condensation)
Insulation resistance20 MΩ min. (500 VDC megger)
Dielectric strength1000 VAC 50/60 Hz 1 min
Vibration resistanceDestruction: 10 to 55 Hz, 1.5 mm double amplitude each in X, Y, and Z directions for 2 h
Shock resistanceDestruction: 500 m/s**2 3 times each in X, Y and Z directions
Degree of protectionIEC: IP67
Connection methodM8 connector models
IndicatorOperation indicator (orange), Stability indicator (green)
WeightPackage: Approx. 20 g
AccessoriesInstruction manual
MaterialCase: Polybutylene terephthalate (PBT)
Lens: Methacrylate resin
  • Output circuit diagram

  • Parallel operating range

  • Setting distance

Excess gain ratio vs. setting distance


Compact Laser Photoelectric Sensor with Built-in Amplifier

E3Z-LT / LR / LL