The transmitter and receiver in these sensors are located in a single housing. The sensor evaluates transmitted light reflected back from the object. The output is switched as soon as an object passes the selected range. Bright objects reflect more light than dark objects, and can thus be recognized from greater distances.
Features at a Glance
For applications in dusty and moist environments
No optical crosstalk
Optical Data
| Range | 500 mm |
| Switching Hysteresis | < 15 % |
| Light Source | Infrared Light |
| Service Life (T = +25 °C) | 100,000 h |
| Max. Ambient Light | 10,000 Lux |
| Opening Angle | 8 ° |
Electrical Data
| Supply Voltage | 10 … 30 V DC |
| Current Consumption (Ub = 24 V) | < 40 mA |
| Switching Frequency | 200 Hz |
| Response Time | 2,500 µs |
| Temperature Drift | < 10 % |
| Temperature Range | -25 … 60 °C |
| Switching Output Voltage Drop | < 2.5 V |
| PNP Switching Output/Switching Current | 200 mA |
| Residual Current Switching Output | < 50 µA |
| Short Circuit Protection | yes |
| Reverse Polarity Protection | yes |
| Overload Protection | yes |
| Protection Class | III |
Mechanical Data
| Setting Method | Potentiometer |
| Housing Material | Brass, nickel-plated |
| Full Encapsulation | yes |
| Degree of Protection | IP65 |
| Connection | M12 × 1; 4-pin |
| Weight | 119 g |
Output
| PNP NC, PNP NO | yes |
Adjustable Parameter
| Circuit | NC NC+NO NO |
For More Information and Price : Wenglor TF55PA3S172 Reflex Sensor Energetic
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