E2S-Q23B 1M

Super-compact Proximity Sensor


Unshielded, Square type, DC Three-wires models, Sensing distance 2.5 mm, Operation mode NO, NPN open collector, Different frequency, Pre-wired models (1 m), Sensing surface Front panel

Sensing head size 8 mm x 8 mm x 23 mm
Type Square type、Unshielded、Different frequency type
Sensing distance 2.5 mm ±15%
Setting distance 0 to 1.9 mm
Operation mode NO

Item list of E2S

  • Ratings/Performance
Sensing head size8 mm x 8 mm x 23 mm
TypeSquare type、Unshielded、Different frequency type
Sensing distance2.5 mm ±15%
Setting distance0 to 1.9 mm
Differential distance10% max. of sensing distance
Sensing objectFerrous metal (Sensitivity lowers with non-ferrous metals.)
Standard sensing objectIron 15 x 15 x 1 mm
Response frequency1 kHz (Average value)
Power sourceDC Three-wires models
Power supply voltage12 to 24 VDC (ripple (p-p) 10% max.)
Operating voltage range10 to 30 VDC
Current consumptionat 24 VDC, no load: 13 mA max.
Control output (Output type)NPN open collector
Control output (Switching capacity)50 mA max. (30 VDC max.)
Control output (Residual voltage)1 V max. (Load current 50 mA with cable length of 1 m)
IndicatorOperation indicator (orange)
Operation modeNO
Protective circuitPower supply reverse polarity protection
Surge suppressor
Ambient temperatureOperating: -25 to 70℃
Storage: -40 to 85℃
Ambient humidityOperating: 35 to 90%
Storage: 35 to 95%
Temperature influence±15% max. of sensing distance at 23 ℃ in the temperature range of −25 to 70 ℃
Voltage influence±2.5% max. of sensing distance at rated voltage in the rated voltage ±10% range
Insulation resistanceBetween charged parts and the case: 5 MΩ min. at 500 VDC
Dielectric strengthBetween charged parts and the case: 1000 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 methodPre-wired models (Cable length: 1 m)
WeightPackage: Approx. 10 g
MaterialCase: Polyarylate
AccessoriesMounting bracket
  • Dimensions

  • Sensing range

  • Sensing distance vs. size and material of sensing object

  • Mutual interference

  • Effects of surrounding metals


Super-compact Proximity Sensor


about this Product