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KJT-ST Series Photoelectric Sensor
KJT-ST Series Photoelectric Sensor
KJT-ST Series Photoelectric Sensor

KJT-ST Series Photoelectric Sensor

  • ●:Protective class IP65
  • ●:Response frequency 2kHZ
  • ●:Standard 4 wire, NO/NC switchable
  • ●:Standard use of twist-resistant conductors
  • ●:Reverse power supply, output short circuit protection
  • ●:M3 screws for easy installation

KJT slot-type photoelectric switch is actually a kind of through-beam photoelectric switch, also called U-shaped photoelectric switch. It is an infrared sensing photoelectric product, which is composed of an infrared transmitter tube and an infrared receiver tube. The slot width is It determines the strength of the induction receiving model and the distance of the received signal. Light is used as the medium, and the infrared light between the luminous body and the light receiving body is received and converted to detect the position of the object. The trough photoelectric switch is also non-contact like the proximity switch. It is less restricted by the detection object and has a long detection distance. It can detect long distances (tens of meters) with high detection accuracy and can detect small objects. The application is very wide.

主要技术参数

Sensing distance(all series)5mm (slot width)
Standard detection objectOpaque object 2x0.8mm
The difference distance0.025mm
Light source (luminescencewave length)GaAs infrared light-emitting diode (940nm)
IndictorThe light turns on (red) when the light is blocked
Power supply voltageDC5V--DC24V+10%,ripple (p-p)less than 10%
Static current consumption20mA or less (NPN type)
KJT-ST676 control outputWhen receiving light, the indicator light is on, and the NPN collector has no output.when the light isblocked, the indicator light is off, and the NPN collector open circuit outputs DC5V-24V.below 100mA, and the residual voltageis below 0.5V (when the load current is 100mA). Residual voltage 0.3V or less (whenload current is 40mA) 
KJT-ST676 control outputThe light indicator light remains on, and the NPN collector has no output; when therotor is blocked,the indicator light is on, and the NPN collector open circuit outputs DC5V--24V, below100mA, and the residual voltage is below0.5V (when the load current is 100mA). Residual voltage 0.3V or less (when the loadcurrent is 40mA)
Automatic protection

Built-in polarity automatic protection circuit, the sensor itself will not be damaged when

connected incorrectly, but it will not work

Response frequency1KHz--3kHz
Use environment illuminationlight-receiving surface illumination fluorescent lamp: 1000 1x or less
Ambient temperature

During operation:25~ +55℃

during storage: -30 - +80

Ambient humidity

During operation:5~85%RH

During storage: 5~ 95%RH


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