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Flat Inductive Proximity Sensor


Unshielded, Square type, DC Three-wires models, Sensing distance 1.5 mm ±10%, NO, NPN open collector, Pre-wired (robot cable)

Sensing head size 8 mm x 5.5 mm x 25 mm
Type Square type, Unshielded
Power source DC Three-wires models
Sensing distance 1.5 mm ±10%
Setting distance 0 to 1.2 mm
Operation mode NO

Item list of TL-W

  • Ratings/Performance
Sensing head size8 mm x 5.5 mm x 25 mm
TypeSquare type, Unshielded
Power sourceDC Three-wires models
Sensing distance1.5 mm ±10%
Setting distance0 to 1.2 mm
Differential distance10% max. of sensing distance
Sensing objectFerrous metal (Sensitivity lowers with non-ferrous metals.)
Standard sensing objectIron 8 x 8 x 1 mm
Response frequency1 kHz (Average value)
Power supply voltage12 to 24 VDC ripple (p-p) 10% max.
Operating voltage range10 to 30 VDC
Current consumptionat 24 VDC, no load: 15 mA max.
Control output (Output type)NPN open collector
Control output (Switching capacity)100 mA max. (30 VDC max.)
IndicatorDetection indicator (red)
Operation modeNO
Protective circuitReverse polarity protection
Surge suppressor
Ambient temperature (Operating)-25 to 70 ℃
Ambient temperature (Storage)-25 to 70 ℃
Ambient humidity (Operating)35 to 95% RH
Ambient humidity (Storage)35 to 95% RH
Temperature influence±10% 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: 1,000 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
Company standard: Oil-proof
Connection methodPre-wired models (5 m)
MaterialCase: Heat-resistant ABS resin
Sensing surface: Heat-resistant ABS resin
AccessoriesInstruction manual, Mounting Bracket
  • Dimensions


  • Output circuit

Output circuit

Timing chart

  • Mutual interference

Mutual interference

A: 75 mm min., B: 25 mm min.

Different frequency

A: 50 mm min., B: 8 mm min.

  • Effects of surrounding metals

Effects of surrounding metals

l: 2 mm min., m: 0 mm min., n: 8 mm min.

  • Characteristic chart

Sensing distance vs. size and material of sensing object

Sensing range


Flat Inductive Proximity Sensor