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All-metal long-distance cylindrical inductive proximity switch (cable type) Model PRFD series | Autonics brand
Autonics|PRFD series cable-type cylindrical proximity switches (with long sensing distance and full metal casing and proximity switch head made of stainless steel. The rugged and durable sensor has strong resistance to deformation and corrosion. The metal sensing head has high Impact and wear-resistant, the 360° annular status indicator light allows users to quickly identify operating status from all angles.
PRFD Series Cable Type Cylindrical Proximity Switches (with long sensing distance and all-metal housing and proximity switch head made of 303 stainless steel. The robust sensor is highly resistant to deformation and corrosion and can be used in a variety of environments including Food and beverage manufacturing, chemical and metal processing industries. The metal sensor head has high impact and abrasion resistance, and the 360° annular status indicator allows the user to quickly identify the operating status from all angles. Proximity switches are available in Ø 8 mm, Ø 12 Available in mm, Ø 18 mm and Ø 30 mm sizes for easy installation in tight spaces and a variety of other user settings.
Autonics product catalog includes photoelectric switches, fiber optic sensors, area sensors, rotary encoders, proximity sensors, pressure sensors, timers, counters, temperature controllers, panel displays. The brand's photoelectric sensors are designed to detect the presence, presence or distance of an object using a light emitter and receiver. These sensors feature NPN, PNP, or relay circuitry and operate over a temperature range of -25 to 65 degrees Fahrenheit. Autonics also offers two-phase and five-phase stepper motors that convert electrical energy into rotational energy
main feature
- High resistance to shock and abrasion caused by contact with workpiece or wire brush (sensor head/housing: stainless steel)
- Reduce the risk of failure caused by aluminum shavings
- Excellent noise immunity with dedicated sensor IC
- Built-in surge protection circuit and overcurrent protection circuit
- Running indicator (red LED), stable indicator (green LED)
- 360° Ring Status Indicator (except PRFDT08-2DO-V)
- Oil resistant cable
- IP67 protection structure (IEC standard)
Full metal housing
Thick sensor head
Long sensing distance
Operation and stability indicators
Strong impact and abrasion resistance
Various protection circuits
Protection class
Available in a variety of sizes
The proximity switches are available in Ø 8 mm, Ø 12 mm, Ø 18 mm, Ø 30 mm size models, allowing installation in tight or limited spaces and a variety of other user settings.
All-metal body for a variety of environments
The entire sensor, including the proximity switch head and housing, is made of 303 stainless steel for a robust design and high resistance to deformation, corrosion, and the spread of bacteria. These proximity switches are ideal for use in a variety of environments, including food and beverage manufacturing, chemical and metalworking industries.
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food and drinks
The stainless steel 303 body minimizes the chance of germs spreading, and the one-piece design prevents cleaners or germicides from entering the proximity switch body.
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Chemicals
Stainless steel 303 proximity switches are highly resistant to deformation and corrosion, making them ideal for chemical applications.
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metalworking
Proximity switches are highly shock and wear resistant in metalworking applications.
All-metal proximity switch heads provide shock and abrasion resistance
Metal proximity switch heads are highly shock and abrasion resistant, making proximity switches ideal for environments where the sensor head may be damaged or worn by workpieces or wire brushes.
High resistance to magnetic field noise from welding current
The PRFD(W) series all-metal inductive proximity switches are highly resistant to magnetic field noise generated by welding currents.
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Reduce the risk of failure caused by aluminum shavings
These proximity switches are designed to minimize the risk of failure due to aluminum chips, providing high performance in environments with metal chips.
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Oil Resistant (PVC) Cable
Robust oil-resistant cables allow the proximity switch to be installed in environments with hydraulic or cutting fluids.
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Ring Status Indicator
The 360° ring-shaped running indicator (red LED) and stability indicator (green LED) allow users to quickly identify the running status from all angles.
Except PRFDT08-2DO-V model
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IP67 protective structure
IP67 protective construction provides reliable and trouble-free operation even in wet or dusty environments.
Application
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Automating Automotive Manufacturing Processes (Video)
Automated vehicle manufacturing processes – stamping process/welding process/painting process
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Meat Processing Conveyors
All-metal inductive proximity sensor for detecting the position of food trays in meat processing lines.
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proximity switch(English:proximity sensor) also calledproximity sensor, which is a device that can detect the presence of nearby objects without contactsensor.
Proximity sensors typically emitelectromagnetic fieldorElectromagnetic radiationbundle (e.g.infrared) and observeelectric fieldOr the change of the return signal to realize the function. The object that can be detected is called the target of the proximity switch. Different types of proximity switches have different goals, such asCapacitive Proximity SwitchorPhotoelectric switchpossible detectionplastictarget, andInductive proximityswitchCan only detect metal targets.
Sensors have a "nominal range" defined by their design, the maximum distance they can detect. Some sensors have the ability to adjust within the nominal range and to report the detection distance classification.
Therefore, the proximity switch has no mechanical parts, and there is no physical contact between the sensor and the object being sensed, resulting in high reliability and long service life.
Smartphones or similar mobile devices are often equipped with proximity switches. The device can wake up from sleep mode when a target is present within the nominal range. If the proximity sensor's target persists, the device can also ignore it and go back to sleep. A common design is that when using a smartphone to make a call, the proximity switch will detect the presence of the target and treat it as if it is placed in the ear, at which point the touchscreen will be temporarily turned off to avoid accidental operation.[1]Proximity sensors are also used for vibration monitoring of some mechanical devices.
Proximity switches tuned to ultra-short distances can also be used as atact switch.
Proximity switch application
- Reversing radar,installed atcarbumpersystem that senses the distance to nearby vehicles for parking
- ground approach warning system
- Vibration measurement of rotating shafts in mechanical installations[2]
- reciprocating enginein the upperstop(TDC)/camshaftsensor
- Paper Break Sensing in Paper Machines
- anti-aircraft gun
- roller coaster
- Conveyor system
- mobile device
- Close when close to facetouch screen
- Decrease radio power when close to body to cutradiation exposure[3]
- automatic faucet
