Page top

E3Z-LS81 2M

Distance-settable Photoelectric Sensor


Small photoelectric sensor with built-in amplifier, Square type, Sensing distance: 20 to 200 mm, PNP open collector, Pre-wired model, 2 m

Sensing method Distance-setting
Sensing distance 20 to 200 mm
Light source Red LED (670 nm)
Connection method Pre-wired models

Item list of E3Z-LS

  • Ratings/Performance
ShapeSquare type
Sensing methodDistance-setting
Sensing distance20 to 200 mm
Setting rangeWhite paper 100 x 100 mm: 40 to 200 mm
Black paper 100 x 100 mm: 40 to 160 mm
Detection rangeBGS: 20 mm to Setting distance (White paper, Black paper 100 x 100 mm)
FGS: Setting distance to 200 mm min. (White paper 100 x 100 mm), Setting distance to 160 mm min. (Black paper 100 x 100 mm)
Differential distance10% max. of setting distance
Reflectivity characteristic (black-white error)10% max. of setting distance
Light sourceRed LED (670 nm)
Power supply voltage12 to 24 VDC±10% ripple (p-p) 10% max.
Current consumption30 mA max.
Control outputPNP open collector
26.4 VDC max.
100 mA max.
Residual voltage: 1 V max.
Operation modeLight-ON/Dark-ON selectable
Protective circuitOutput short-circuit protection, Power supply reverse polarity protection
Response timeOperate or reset: 1 ms max.
Sensitivity setting5-turn endless adjustment
Ambient illuminanceIncandescent lamp: 3,000 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 55 Hz, 1.5 mm double amplitude each in X, Y, and Z directions for 2 h
Shock resistanceDestruction: 500 m/s2 3 times each in X, Y and Z directions
Degree of protectionIEC: IP67
Connection methodPre-wired models (Cable length 2 m)
IndicatorOperation indicator (orange), Stability indicator (green)
WeightPackage: Approx. 65 g
AccessoriesInstruction manual
MaterialCase: Polybutylene terephthalate (PBT)
Lens: Denatured Polyarylate
  • Dimensions

  • Output circuit diagram

  • Timing chart

  • Operating range


Distance-settable Photoelectric Sensor