Banner Through Beam (Emitter) Photoelectric Sensor Maximum of 3 m Detection Range NPN (Current Sinking), PNP (Current

  • RS Stock No. 860-1759
  • Mfr. Part No. SM31EQD
  • Manufacturer Banner
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): US
Product Details

Mini-Beam SM312 Series Sensors

The SM312 series of photoelectric sensors from Banner are self contained DC operated sensors. This Mini-Beam SM312 series are compact high performance sensors with 18 mm threaded lens, The SM312 Series are ideal for registration mark detection, baggage handling and bottle conveying applications.

Expert models with push button TEACH mode configuration available
Plastic housing, M18 front "nose" mount or screw fixing
Push button or remote programming
Automatic, Precise, Low contrast sensitivity adjustments
Bipolar output, light-on/dark-on functions
Multi-function LEDs for easy set-up and monitoring
Full electrical protection
Available in opposed, Opposed clear plastic, Polarized, Non-polarized retro-reflective, Convergent and diffuse


Laser radiation is harmful to the human eye and under no circumstances should the laser beam be viewed directly or via optical instruments.

Supplied with

Mounting bracket, Retro-reflective models are also supplied with a reflector.

Attribute Value
Sensor Style Block
Detection Type Through Beam (Emitter)
Detection Range Maximum of 3 m
Output Type NPN/PNP
Electrical Connection 4-Pin M12 Connector
Maximum DC Voltage 30V
Light Source LED
IP Rating IP67
Maximum Current 25 mA
Response Time 1 (Dark) ms, 1 (Light) ms
Housing Material Thermoplastic Polyester
Maximum Operating Temperature +70°C
Minimum Operating Temperature -20°C
6 In Global stock for delivery within 4 - 6 working days
Price Each
MYR 456.02
Per unit
1 +
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