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TL-W20ME15 2M

Flat Inductive Proximity Sensor


Flat type proximity sensor, Sensing distance 20 mm, Unshielded, DC 3-wire, NPN, NO, Different frequency, Cable length 2 m

Sensing head size 40 mm x 23 mm x 53 mm
Type Square type, Unshielded, Different frequency type
Power source DC Three-wires models
Sensing distance 20 mm ±10%
Setting distance 0 to 16 mm
Operation mode NO

Item list of TL-W

  • Ratings/Performance
Sensing head size40 mm x 23 mm x 53 mm
TypeSquare type, Unshielded, Different frequency type
Power sourceDC Three-wires models
Sensing distance20 mm ±10%
Setting distance0 to 16 mm
Differential distance1% to 15% of sensing distance
Sensing objectFerrous metal (Sensitivity lowers with non-ferrous metals.)
Standard sensing objectIron 50 x 50 x 1 mm
Response frequency40 Hz (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.
at 12 VDC, no load: 8 mA max.
Control output (Output type)NPN
Control output (Switching capacity)at 12 VDC: 100 mA max.
at 24 VDC: 200 mA max.
Control output (Residual voltage)1 V max. (Load current 200 mA with cable length of 2 m)
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 %
Ambient humidity (Storage)35 to 95 %
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: 50 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 10 times each in X, Y, and Z directions
Degree of protectionIEC: IP67
Company standard: Oil-proof
Connection methodPre-wired models (2 m)
WeightPackage: Approx. 210 g
MaterialCase: Heat-resistant ABS resin
Sensing surface: Heat-resistant ABS resin
AccessoriesInstruction manual
  • Dimensions


  • Output circuit

Output circuit

Timing chart

  • Mutual interference

Mutual interference

A: 100 mm min., B: 100 mm min.

  • Effects of surrounding metals

Effects of surrounding metals

l: 25 mm min., m: 16 mm min., n: 100 mm min.

  • Characteristic chart

Sensing distance vs. size and material of sensing object

Sensing range


Flat Inductive Proximity Sensor