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Specification & Description
| Specification | Description |
|---|---|
| Part Number | WTB8L-P2211 |
| Alternative Part Number | WTB8LP2211 |
| Manufacturer | Sick |
| Sensor Type | Photoelectric Proximity Sensor |
| Housing Shape | Block |
| Sensing Range | 5 to 100 mm |
| Output Type | PNP |
| Light Source | Visible red light, Laser |
| Light Spot Size | Ø 1 mm at 100 mm distance |
| Wavelength | 650 nm |
| Laser Class | 1 |
| Response Time | ≤ 0.25 ms |
| Switching Frequency | 2,000 Hz |
| Connection Type | Connector M8, 4-pin |
| Protection Circuits | Polarity reversal protection for supply voltage and input/output; Overcurrent and short-circuit protection |
| Housing Material | Plastic, ABS |
| Optics Material | Plastic, PMMA |
| Degree of Protection | IP67 |
| Operating Temperature Range | –10 °C to +50 °C |
| Storage Temperature Range | –40 °C to +70 °C |
| Included Accessories | Stainless steel mounting bracket (1.4301/304) BEF-W100-A |
| Adjustment Options | Potentiometer, 4 turns; Light/dark on selectable via rotary switch |
| Weight | 10 g |
| Commodity Code | 853890 |
The Sick WTB8L-P2211 is a state-of-the-art photoelectric proximity sensor designed for precision detection in a variety of industrial applications. This compact and robust block sensor offers a sensing range of 5 to 100 mm, making it highly versatile for tasks where accurate object detection is crucial. Equipped with a PNP switching output, the sensor ensures reliable and fast signal processing with a response time of less than 0.25 ms and a high switching frequency of 2000 Hz.
The sensor utilises visible red light with a laser light source, providing a small light spot size for pinpoint accuracy in detection. The laser is classified as Class 1, ensuring safe operation without compromising performance. The WTB8L-P2211 also features light/dark switching capabilities, selectable via an integrated rotary switch, allowing for customised operation tailored to specific application requirements.
Constructed with a durable ABS plastic housing and PMMA optics material, the sensor is designed to withstand the rigours of industrial environments, boasting an IP67 enclosure rating for protection against dust and water ingress. Additionally, the sensor comes with a stainless steel mounting bracket for easy installation and integration into existing systems.
The WTB8L-P2211 is an ideal solution for automation tasks that require precise and reliable proximity sensing, such as assembly line object detection, machine part positioning, and level control. Its miniature size, combined with its powerful performance features, makes it a valuable addition to any industrial sensing and control system.
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Frequently Asked Questions
What is the sensing range of this photoelectric proximity sensor?
The sensing range of the sensor is from 5 to 100 mm, allowing for precise detection of objects within this distance.
Can the sensor detect objects of different colours?
Yes, the sensor can detect objects of various colours, but the sensing range may vary depending on the reflectivity of the object's surface.
Is this sensor suitable for detecting small objects?
Absolutely, this photoelectric proximity sensor is designed for the detection of small objects, thanks to its precise laser light source and small light spot size.
What type of output does the sensor provide?
The sensor provides a PNP output, which is commonly used in industrial control systems for interfacing with various electronic components.
How is the sensor protected against environmental factors?
The sensor is housed in a robust casing with an IP67 rating, ensuring protection against dust and water ingress in harsh industrial environments.
What materials are used in the construction of the sensor?
The sensor's housing is made of ABS plastic, and the optics are made of PMMA plastic, both of which are durable materials suitable for industrial applications.
How can I adjust the sensing distance of the sensor?
The sensing distance can be adjusted using the potentiometer provided on the sensor, allowing for fine-tuning to suit specific application requirements.
What type of light does the sensor use for detection?
The sensor uses a visible red laser light source for detection, which provides a small and precise light spot for accurate sensing.
What is the response time of the sensor?
The sensor boasts a rapid response time of less than or equal to 0.25 ms, making it suitable for high-speed detection applications.
How can I tell if the sensor is functioning correctly?
The sensor is equipped with LED indicators that provide visual feedback on the status of the switching output and stability of the sensor.
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