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$89.69$89.69 -
Baumer
FPCK 07N6901
Retroreflective Sensor, Polarization Filter, Subminiature, Pulsed Red LED, 10-30VDC, 0.6m Actual Range Sb, 0.8m Nominal Range, Teach-in, NPN, Light/Dark Operate, 2m Cable Rear Side, 17.8 x 8 x 12.6mm Rectangular HWD, Plastic Housing, PMMA O
$306.60$306.60 -
$190.29$190.29 -
$550.60$550.60 -
Baumer
O500.GP-NV1T.72O
Diffuse Sensor, Background Suppression, 10-30VDC, 60-400mm Sensing Distance Tw, 30-400mm Sensing Range Tb, Pulsed PinPoint LED, 630 nm, NPN, qTeach, Light/Dark Operate, M12 4-Pin Connector, Plastic Housing, PMMA Optics, 45 x 18 x 32mm (HWD)
$284.60$284.60 -
$367.80$367.80 -
$178.49$178.49 -
Baumer
FPDK 20N5101/S35A
Retroreflective Sensor, Standard, Pulsed Red LED, 10-30VDC, 5.5m Actual Range Sb, 6.8m Nominal Range Sn, NPN, Light/Dark Operate, M8 4-Pin Connector, 42 x 20 x 15mm HWD Rectangle, Plastic (PBT-ASA) Housing, PMMA Optics, -20° to +65°C, IP67
$331.60$331.60 -
$966.60$966.60 -
Baumer
O500W.ER-GW1B.PVO
Thru-Beam Sensor, Receiver, Washdown Design, 10-30VDC, 25m Actual Range Sb, 40m Nominal Range, Push-Pull, qteach/Remote, Light/Dark Operate, M12 4-Pin Connector, Stainless Steel Housing, PMMA Optics, 47.2 x 20.2 x 37.7mm (HWD), -25 to 60
$212.20$212.20 -
$221.89$221.89 -
$379.47$379.47
Photoelectric sensors detect the distance, absence or presence of an object. These sensors are great for sensing long distances and detecting most materials.
How Does a Photoelectric Sensor Work?
Generally a photoelectric sensor consists of the following:
- Transmitter - emits the light beam
- Receiver - detects the light beam and converts it to an electrical signal
Photoelectric sensors detect changes in the light beam caused by the presence/absence, movement or properties of an object.
Types of Photoelectric Sensors:
- Through-Beam (Thru-Beam)
- Transmitter and receiver are two separate units that are directly opposite of each other. The sensor detects when an objects breaks the light beam
- Great for long distance detection
- Ideal for conveyors, counting or monitoring door openings
- Retroreflective (Reflective Mode)
- Transmitter and receiver are in one housing; light beam is reflected back by a reflector. Detection is triggered when an object breaks the beam.
- Medium range detection and easier to install than a through beam
- Ideal for package detection and pallet positioning
- Diffuse (Proximity Mode)
- The transmitter and receiver in one housing; the sensor detects light reflected directly off the target object (no reflector needed)
- Best for short range applications
- Ideal for detecting objects on assembly lines, verifying presence or checking fill level
- Specialized Types:
- Background Suppression: Can ignore objects beyond a set distance, focuses close range
- Color or Contrast Sensors: Detects specific colors or contrast differences
- Distance Measuring Sensors: Mesaure the distance to an object
Categories Related to Photoelectric Sensors:
- Stack lights - signal towers visually communicate the data or alerts that the photoelectric sensors are generating
- Smart relays - photoelectric sensors provide input signals which can process the data and control outputs
- Pushbuttons and estops - if your sensor detects a fault, an operator can use a pushbutton to reset the system
- HMIs - HMIs can dispay the data from the photoelectric sensor which allows you to monitor processes