Wenglor Retro K1R87PCT2 -Reflex Sensor for Clear Glass Recognation

A reflector must be used in combination with these sensors. wenglor has the right retro-reflex light barrier for every application. Even crystal-clear objects and sheet products can be reliably recognized. The sensor is easy to install with its integrated M18 threaded fixation and can be easily protected as well. Time delay can be activated by RS-232 interface.


  • Dynamic readjustment of the switching threshold
  • Recognition of clear glass
  • Simple installation
  • Teach-in, external teach-in

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Optical Data

Working Range4000 mm
Reference Reflector/Reflector FoilRQ100BA
Clear Glass Recognitionyes
Switching Hysteresis< 5 %
Light SourceRed Light
Polarization Filteryes
Service Life (T = +25 °C)100000 h
Max. Ambient Light10000 Lux
Opening Angle
Single-Lens OpticYes

Electrical Data

Supply Voltage10...30 V DC
Current Consumption (Ub = 24 V)< 40 mA
Switching Frequency1700 Hz
Response Time250 µs
On-/Off-Delay (RS-232)0...5 s
Temperature Drift< 5 %
Temperature Range-10...50 °C
Switching Output Voltage Drop< 2,5 V
PNP Switching Output/Switching Current200 mA
Residual Current Switching Output< 50 µA
Short Circuit Protectionyes
Reverse Polarity Protectionyes
Overload Protectionyes
Teach ModeMT
Protection ClassIII

Mechanical Data

Setting MethodTeach-In
Housing MaterialPlastic
Full Encapsulationyes
Degree of ProtectionIP67
ConnectionM12 × 1; 4-pin


PNP NO/NC switchableyes
RS-232 with Adapterboxyes

Datasheet: Wenglor K1R87PCT2 Reflex Sensor

For more info and price please contact sales@wmablog.com

Reference: wenglor.com