VS3 Series



  • Featuring EZ-BEAM technology, with specially designed optics and electronics for reliable sensing without adjustments
  • Offers extremely compact self-contained miniature design
  • Available in retroreflective sensing mode
  • Uses coaxial optics on retroreflective models to eliminate blind areas at close range
  • Accurately detects shiny objects
  • Offers 10 to 30V dc supply voltage with NPN or PNP output, depending on model
  • Available in dark- or light-operate models
  • Features visible sensing beam for easy alignment

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Product Specifications

Supply Voltage and Current10 to 30V dc (10% max. ripple) @ less than 25 mA (exclusive of load)
RangeOpposed:1.2 m
Non-polarized Retroreflective:250 mm, range is specified using one model BRT-32X20AM retroreflector
Polarized Retroreflective:250 mm, range is specified using one model BRT-32X20AM retroreflector
Supply Protection CircuitryProtected against reverse polarity and transient voltages
Output ConfigurationSPST solid-state switch:NPN (current sinking) or PNP (current sourcing), depending on model. Light operate (LO) or dark operate (DO), depending on model
Output Rating50 mA max. OFF-state leakage current:less than 1 µA @ 24V dc
ON-state saturation voltage:less than 0.25V @ 10 mA dc; less than 0.5V @ 50 mA dc
Output Protection CircuitryProtected against false pulse on power-up and continuous overload or short circuit of outputs; Overload trip point greater than or equal to 100 mA
Output Response TimeOpposed:1 millisecond ON; 0.5 millisecond OFF
Non-polarized and Polarized Retroreflective:1 millisecond ON/OFF
Delay at Power-upOpposed:100 milliseconds max.; outputs do not conduct during this time.
Non-polarized and Polarized Retroreflective:150 milliseconds max.; outputs do not conduct during this time.
RepeatabilityOpposed:100 microseconds
Non-polarized and Polarized Retroreflective:160 microseconds
Indicators2 LED Indicators:Green and Yellow
Green ON steady:power to sensor is ON
Green flashing:output overload
Yellow ON steady:light is sensed
Yellow flashing:marginal excess gain (1-1.5x) in light condition
ConstructionOpposed and Non-polarized Retroreflective:Black ABS housing with clear acrylic lens
Polarized Retroreflective:Black ABS housing with glass lens and acrylic cover
Environmental RatingIEC IP67; NEMA 6
Connections2 m or 9 m attached PVC cable, or threaded 3-pin Pico-style quick-disconnect fitting. QD cables are ordered separately.
Operating ConditionsTemperature:-20 to +55° C
Relative humidity:80% @ 50° C (non-condensing)
Vibration and Mechanical ShockVibration:All models meet IEC 60068-2-6, IEC 60947-5-2, UL491 Section 40, MIL-STD-202F Method 201A; 10 to 60 Hz, 0.5 mm peak to peak
Shock:All models meet IEC 60068-2-27, IEC 60947-5-2; 30g peak acceleration, 11 millisecond pulse duration, half-sine wave pulse shape
Application NotesM3 stainless-steel mounting hardware is included with each sensor. Optional mounting brackets are available.