Page top

E3T-FT21 2M

Ultracompact, Ultrathin Photoelectric Sensor with Built-in Amplifier

Image

Ultraflat photoelectric sensor, Through-beam type, Sensing distance 300 mm, NPN output, Light-ON, Red light, M2 mounting, 2 m

Sensing method Through-beam type
Sensing distance 300 mm
Light source Red LED (650 nm)
Connection method Pre-wired models

Item list of E3T

  • Ratings/Performance
ShapeRectangular type (Flat)
Sensing methodThrough-beam type
Sensing distance300 mm
Standard sensing objectOpaque: 1.3 mm dia. min.
Minimum sensing object1.3 mm min. dia. (Opaque)
Directional angleEmitter: 3 to 25 °
Receiver: 3 ° min.
Light sourceRed LED (650 nm)
Power supply voltage12 to 24 VDC±10% ripple (p-p) 10% max.
Current consumptionEmitter: 10 mA max.
Receiver: 20 mA max.
Control outputNPN open collector
26.4 VDC max.
50 mA max.
Residual voltage: 1 V max. (Load current Less than 10 mA)
Residual voltage: 2 V max. (Load current 10 to 50 mA)
Operation modeLight-ON
Protective circuitOutput short-cut protection, Output reverse polarity protection, Power supply reverse polarity protection
Response timeOperate or reset: 1 ms max.
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
Connection methodPre-wired models (Cable length 2 m)
IndicatorOperation indicator (orange), Stability indicator (green)
WeightPackage: Approx. 40 g
AccessoriesInstruction manual, Set screws for mounting (M2*8), Nuts
MaterialCase: Polybutylene terephthalate (PBT)
Lens: Denatured Polyarylate
Display: Denatured Polyarylate
  • Dimensions

  • Output circuit diagram

  • Timing chart

  • Parallel operating range

  • Setting distance

Excess gain ratio vs. setting distance

Series

Ultracompact, Ultrathin Photoelectric Sensor with Built-in Amplifier

E3T