Photoelectric sensorsW250-2, WTB250-2R1651Functional principle: Photoelectric proximity sensorFunctional principle detail: Background suppressionSwitching output: RelaySwitching mode: Light switchingConnection type: Cable, 5-wire, 5 mLight source: LEDAdjustment: PotentiometerCommunication interface: -Included with delivery: BEF-W250 mounting bracket
Photoelectric sensors
W250-2, WTB250-2R1651
Functional principle: Photoelectric proximity sensor
Functional principle detail: Background suppression
Switching output: Relay
Switching mode: Light switching
Connection type: Cable, 5-wire, 5 m
Light source: LED
Adjustment: Potentiometer
Communication interface: -
Included with delivery: BEF-W250 mounting bracket
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression |
| Dimensions (W x H x D) | 20 mm x 60 mm x 43.9 mm |
| Housing design (light emission) | Rectangular |
| Sensing range max. | 200 mm ... 1,000 mm 1) |
| Sensing range | 200 mm ... 1,000 mm 1) |
| Focus | Approx. 3° |
| Type of light | Visible red light |
| Light source | LED 2) |
| Light spot size (distance) | Ø 35 mm (1,000 mm) |
| Angle of dispersion | Approx. 3° |
| Adjustment | Potentiometer, 2 turns 3) Potentiometer, 2 rotations |
1) Object with 90% remission (based on standard white, DIN 5033).
2) Average service life: 100,000 h at TU = +25 °C.
3) With position indicator.
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