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Extech 461957 Photoelectric Sensor with 6' Cable
461957 Photoelectric Sensor with 6' Cable
 
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Our Price: $129.99

Availability:: Usually Ships in 24 to 48 Hours
Product Code: EXT-461957
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Description
 

Photoelectric Speed Sensor For Panel Tachometers

  • Target Distance: 0.1" (3mm)
  • Maximum Speed: 6,000 RPM (100Hz)
  • Includes 6' (1.8m) cable
  • Power: 12-24 VDC +/-10%; 40mA Max
  • Response Time: <1ms
  • Output: NPN transistor; Max load 80mA
  • Photo Beam Color: Green
  • Photo Beam Wavelength: 5500 Angstroms

Mounting:

  • Use the mounting holes to secure the photoelectric sensor to the desired surface
  • The photo beam is generated and detected in the groove
  • The object under test must pass in the groove so that the light beam can be interrupted
  • See additional pictures for a diagram

Wiring:

  • Brown wire connects to terminal 3 of the panel tachometer
  • Blue wire connects to terminal 1
  • Black wire (sensor output during high to low transition) or Green wire (sensor output during low to high transition) connects to terminal 2
  • Connect one wire only to terminal 2 (black or green) depending upon which better suits the application

Operation:

  • Photoelectric Sensor Model 461957 Extech Photoelectric Sensor Model 461957 connects directly to the tachometer's input terminals and measures up to 6,000 RPM (100Hz)
  • When the sensor is properly powered (by the voltage on terminal 3 of the meter), the green power LED (on the sensor) will switch on
  • Photoelectric sensors generate a light beam that is interrupted by an object as it passes through the beam
  • Each time the beam of light is interrupted a pulse is transmitted to the meter and the red status LED on the sensor blinks
  • The meter then calculates and displays the RPM based on the number of pulses received in a specific period of time
  • The sensitivity adjustment screw on the sensor may have to be adjusted so that one pulse is generated for each interruption of the light beam
  • If the red LED turns on less/more than once for each interruption of the beam, adjust the sensitivity screw

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900 W. Main Street
Ephrata, PA 17522
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