Technovision : Magnetic Sensor
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Magnetic Proximity Switch
APPLICATIONS

Position sensing in hydraulic cylinders

Roto-meters

Direction sensing applications Level sensing of liquids


MAGNETIC PICK-UP SENSORS
(Series MSP 706/MSP 716)

HALL EFFECT SENSORS
(Series MSP 707/MSP 717)

These sensors can be used only for sensing motion of a ferrous object e.g. Gear Wheel. These incorporate a special high strength ALNICO Magnet with a properly designed coil. Special high frequency sensors incorporate a Hall effect sensor. These switches are available in 2/3-wire design. The 3-wire type switches have output logics / operating voltages similar to other types of switches described earlier. The 2-wire switches should be necessarily used with a special controller / amplifier unit.


Turbine high-speed sensor.
-Bucket Elevator high temperature sensor.

AUTOMOBILE SENSORS
Special  /  custom  built  models  are  available  for Automobile applications as below;
Transfer case speed sensor.
Door close sensor.
Clutch worn-out sensor.
INTRODUCTION

The series SW 705 Magnetic Proximity Switches are available in two broad categories.
1. Position sensing switches with Reed Element.
2. 2-Wire  /  3-Wire  Magnetic  pick-up Sensors.
These switches are available in different shapes and sizes. Tubular models are available in Brass/SS enclosures in sizes M12, M18 and M30 and above.


GENERAL SPECIFICATIONS


Sensing  Range: 10 to 50 mm depending upon Strength of object magnet.
Termination : Integrated 2/3-core cable
Load : 500 mA Max.
Object :  Magnet Operating Temp : 70°C / 200°C
Protection Grade   :  IP-67


SWITCHES WITH REED ELEMENT

These switches are used only for position sensing application. These incorporate a hermetically sealed sensitive reed element. The object should necessarily be a magnet. These are provided with 2-core built-in cable. The output is a potential free contact and can switch external load directly. The switching voltage and contact rating depends upon switch size. Special models of latching type switches are available for direction sensing applications.

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