Infrared Laser Safety Light Curtain for Automatic Swing Doors, M-903 Anti-Pinch Grating Sensor with Hand Protection and Collision Detection

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M903 Infrared Laser Safety Light Curtain for Automatic Swing Doors

  • Intelligent cutting

The laser beam intelligently cuts the position of the door frame without self-sensing.

  • Angle adjustment

Installation angle is adjustable from 5° to 10°. Turn the knob clockwise, the angle becomes smaller, turn the knob counterclockwise, the angle becomes larger.

M903 Laser safety curtain sensor

  • Function switching

Switching the safety presence and anti-collision functions by DIP switch 1 to achieve, easy to operate.

  • User-friendly debugging

Scanning range in all 7 levels, push once, one buzzer voice, scanning range will increase or decrease by 5cm. When buzzer sounds 2 times, the adjustment has reached the limit range.

  • Simple wiring, clean installation

Compact and delicate appearance. After the main and secondary machine are connected, only one of them needs to be connected with the door opener.

  • Stable, anti-interference

Use the "precise and fast" features of the laser, with the Intelligent Speed Adaptation System(ISAS), to ensure long-term stable operation and reliable security protection.

  • 6-beam, fully coverage protection

6 laser beams, detecting range covers the entire door leaf, ensuring precise protection for personnel at any position.

  • Accurate detection

Adopt Time of Flight(TOF) technology, accurately detect the presence of the objects or human body, which as the function of safety presence, anti-collision and safety detection.

Technical Parameters

Detection principle Time of Flight(TOF)
Light medium 890nm infrared laser
Laser category Class I eye-safe laser
Numbers of laser 6-line
Detection response time <=50ms
Detection area diameter Each 100mm light spot(installation height=2.8m)
Detection angle 5-10 degrees adjustable
Detection range: Minimum 300mm away from the ground
Maximum installation height 3.5m @2% reflectivity, 5.5m @10% reflectivity
Working temperature -25°C to 55°C
Working voltage AC/DC 12-30V
Standby current 45mA(DC 12V supply)
Action current 85mA(DC 12V supply)
Signal output Relay NO or NC
Function instruction LED indicator, standby state with Blue, detection state with Red
Dimension 153(L) x 77(W) x 30(H) mm

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