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Specification & Description
| Specification | Description |
|---|---|
| Part Number | WL27-2F440 |
| Manufacturer | Sick |
| Series | WL27-2 |
| Sensor Type | Photoelectric Retro-Reflective Sensor |
| Housing Shape | Block |
| Sensing Range | 0.1 to 14 m |
| Supply Voltage | 10 to 30 V dc |
| Current Consumption | 35 mA |
| Response Time | ≤500 µs |
| Housing Material | ABS |
| Optics Material | PMMA |
| Connection Type | M12, 4-pin connector |
| Output Type | PNP |
| Switching Mode | Light/dark switching |
| Protection Class | IP65 |
| Operating Temperature Range | –40 °C to +60 °C |
| Storage Temperature Range | –40 °C to +75 °C |
| Dimensions | 24.6 x 53.5 x 96 mm |
| Light Source | LED |
| Light Type | Visible red light |
| Adjustment | Potentiometer |
| UL File Number | NRKH.E181493 & NRKH7.E181493 |
| Special Features | Suitable for a variety of applications due to its flexible sensing range and robust housing. |
The Sick WL27-2F440 is a state-of-the-art photoelectric retro-reflective sensor designed for a wide range of industrial applications. This robust sensor boasts a block-style housing measuring 24.6 x 53.5 x 96 mm, crafted from durable ABS plastic, ensuring resilience in challenging environments. With its impressive sensing range of 0.1 to 14 meters, it can reliably detect objects even at considerable distances, making it an ideal choice for automation tasks where precision is paramount.
The sensor operates on a supply voltage of 10 to 30 V dc and has a modest current consumption of 35 mA, making it an energy-efficient addition to any system. It features a quick response time of less than or equal to 500 µs, which allows for fast and accurate operations. The WL27-2F440 utilises visible red light as its light source, with an LED that provides clear and consistent performance.
Equipped with a potentiometer for easy adjustment, this sensor allows for straightforward calibration to meet the specific needs of your application. The PNP switching output and the option for light/dark switching add to its versatility, catering to a variety of operational requirements.
The sensor is also designed with an IP65 enclosure rating, signifying a high level of protection against dust ingress and water jets, which is essential for maintaining functionality in industrial settings. The operating temperature range of –40 °C to +60 °C and storage temperature range of –40 °C to +75 °C ensure that the sensor remains reliable across different climates and conditions.
In summary, the Sick WL27-2F440 photoelectric retro-reflective sensor is a reliable and efficient solution for industrial sensing needs, offering versatility, durability, and precision in a compact form factor.
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Frequently Asked Questions
What is the operating principle of this photoelectric sensor?
The operating principle of the sensor is retro-reflective, which means it detects objects by emitting a light beam towards a reflector, which then bounces back to the sensor.
Can this sensor be used outdoors?
Yes, the sensor has an IP65 rating, making it suitable for outdoor use as it is protected against dust ingress and low-pressure water jets from any direction.
What type of output does the sensor provide?
The sensor provides a PNP output, which is a commonly used type of transistor output in industrial automation.
What are the dimensions of the sensor?
The dimensions of the sensor are 24.6 mm x 53.5 mm x 96 mm, making it a compact block-style sensor suitable for various applications.
What is the maximum sensing range of the sensor?
The maximum sensing range of the sensor is 0.1 m to 14 m, which allows for flexibility in detecting objects at various distances.
How is the sensitivity of the sensor adjusted?
The sensitivity of the sensor can be adjusted using a potentiometer, providing a simple way to calibrate the sensor for different applications.
What is the response time of the sensor?
The sensor has a response time of ≤500 µs, ensuring quick detection of objects for efficient operation.
What type of light does the sensor emit?
The sensor emits visible red light, which is easy to align and often preferred for applications where the light beam needs to be visible.
What materials are used in the construction of the sensor?
The housing of the sensor is made of ABS plastic, and the optics are made of PMMA plastic, providing a durable and robust construction.
What temperature range can the sensor operate in?
The sensor can operate in a temperature range from –40 °C to +60 °C, making it suitable for a wide range of environmental conditions.
