Introduction
The SICK PRK 21000-34-05-00-030-03-02 is a high-performance, cylindrical inductive proximity sensor designed for non-contact object detection in industrial automation environments. These sensors operate on the eddy current principle, generating an electromagnetic field to detect the presence of metallic objects (e.g., steel, aluminum, brass) without physical contact.
This specific model is characterized by its M12 x 1 housing, a flush-mounted design (allowing for side-by-side installation), and a 5 mm sensing distance. It is a robust, versatile sensor commonly used for tasks such as position sensing, part counting, and end-of-stroke detection on machinery. The "03-02" suffix typically indicates specific connector and cable options.
Parameters / Specifications
The key technical specifications for the SICK PRK 21000-34-05-00-030-03-02 are summarized in the table below.
| Parameter | Specification |
|---|---|
| Part Number | PRK 21000-34-05-00-030-03-02 |
| Product Line / Type | SICK Inductive Proximity Sensor |
| Sensor Type | Non-flush (Shielded) |
| Sensing Distance | 5 mm |
| Output Type | PNP, Normally Open (NO) |
| Supply Voltage | 10-30 V DC |
| Housing Material | Stainless Steel (typically 1.4305 / 303) |
| Connection | M12, 4-pin connector |
| Degree of Protection | IP67 |
| Switching Frequency | Approx. 1 kHz |
| Housing Diameter | M12 x 1 |
| Housing Length | Approx. 40 mm (excluding connector) |
| Weight (Approx.) | 0.03 lbs (0.015 kg) |
*Note: The exact "03-02" suffix may specify details like cable length (e.g., 2 meters) and specific connector coding. For absolute precision, consulting the official SICK datasheet for this exact part number is recommended.*
Application Scenarios
Inductive proximity sensors like the PRK 21000 series are fundamental components in automated systems due to their reliability, long service life, and resistance to harsh environments like dust, coolant, and oil.
Typical application scenarios include:
Position Verification on Conveyors:
Detecting the presence or absence of metal parts on a conveyor line to confirm a pick-and-place operation was successful or to trigger the next step in a process.
End-of-Travel Detection on Actuators:
Mounted on pneumatic or hydraulic cylinders to detect when the piston has reached the end of its stroke, providing a feedback signal to the PLC.
Part Counting and Sequencing:
Counting metal components as they pass a specific point on a production line for inventory control or to ensure the correct sequence of parts in an assembly process.
Rotary Speed Monitoring:
Used as a non-contact method to monitor the speed of a gear or a shaft by detecting the passing of teeth or other metallic features.
Industries of Use:
Automotive Manufacturing
Packaging Machinery
Material Handling and Logistics Systems
Machine Tool and Metalworking
Food and Beverage (with appropriate housing material certifications)
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