Proximity Switches
Proximity Switches
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Proximity Switch is a critical element of Sensing, Automation and Control. Based on the ' Object of Sensing' principle, these switches are available in Inductive, Capacitive, Optical, Ultrasonic and Magnetic types.
INDUCTIVE PROXIMITY SWITCHES
It senses only metallic objects; Useful for medium counting speed; Short sensing gaps. These switches are available from 4 mm diameter (M4) to 140 mm diameter (M140) with sensing distance from 0.5 mm to 100 mm. These switches are most reliable option for applications in Machine tools, Foundries, Rolling mills, Automobile, Textile, Pharmaceutical, and Material Handling Systems.
CAPACITIVE PROXIMITY SWITCHES
It senses non-metallic, metallic objects as well as liquid; Low counting speed. These are offered in tubular threaded housing from size M12 to M80. Has rugged construction along with IP-68 grade of protection; Very useful for liquid level monitoring applications.
OPTICAL PROXIMITY SWITCHES
It senses any object;Longer Sensing Distance; Medium counting speed; High position sensing accuracy. These are Infra-red type sensors incorporating advance and reliable technology. These are offered in tubular metallic, acrylic & plastic enclosures. Special models of Optical Switches are available with an integrated Optical Fibre cable for flexible mounting and for sensing miniature objects / high temperature objects.
MAGNETIC PROXIMITY SWITCHES
It senses only ferrous objects/ magnets; High counting speed. These are available in M12, M18, M30 and above. Sensing range : 10 to 50 mm. Grade of protection is IP-68.These switches are used only for position sensing applications. These can also be used for Roto-meters, Direction sensing, Level Sensing of liquids.
ULTRASONIC PROXIMITY SWITCHES
These switches are ideally suitable for level monitoring applications. The sensing range can be from 0.2 m to 20 meters. These sensors have the ability to perform in dry and dusty environments. These sensors are immune to electrical noise levels generally present in the typical industrial environment. The ultrasonic sensors find applications for Anti-collision detection for cranes, Level controller for liquids and solids, Detection of moving object, Opening / Closing of doors by detecting motion.
