Proximity Instrumentation
Controls
Applications for Reed Switches, Reed & Hall Sensors
| Automotive : |
| Where
to find |
How
it works |
| Carseat |
in
case off accident airbag will not open if seat is not
occupied |
| Seatbelt
lock |
Reed
Switch in seatbelt lock checks that seatbelt is firmly
closed |
| Sunroof |
OPEN
/ CLOSED position control |
| Window
lifter |
OPEN
/ CLOSED position control |
| Level
control |
Floating
magnet actuates Reed Switch detecting
- breakfluid
- coolant
- water for windscreen washer |
| Domestic
Appliances : |
| Where
to find |
How
it works |
| Microwave
oven |
door
lock control |
| Washing
machine |
- door
lock control
- position
detection of drum (top loading machines)
- water
level control
- weight
sensor |
| Dishwasher |
- spray
arm detection (machine stops if spray arm blocks)
- door
lock control
- level
control (washing liquid / brillant fluid / salt) |
| Vacuum
cleaner |
airfilter
saturation control |
| Refrigerator |
door
lock control turns light ON /OFF |
Coffee
and Espresso
machines |
water
level detection |
| Ricecooker |
cover
OPEN / CLOSED position control |
| Window
shade |
UP
/ DOWN position control |
| Telecom : |
| Where
to find |
How
it works |
| Telephone |
ON
/ OFF hook switch |
| Mobile
phone |
ON
/ OFF flip cover switch |
| Radio
transmitter |
ON
/ OFF microphone switch |
| Modem |
current
sensing Reed Relay |
| Measurement
& Controls : |
| Where
to find |
How
it works |
| Flow
meter |
Reed
Switches, actuated by rotating magnet, monitors flow |
| Gas meter |
| Valva |
OPEN
/ CLOSED position control |
| Linear
gears |
Position
control |
| I
/ O cards |
Reed
Relay arrays |
| Industry : |
| Where
to find |
How
it works |
| Pneumatic
cylinder |
Piston
with a small magnet is detected by an external Reed /
Hall Sensor |
| Cam |
-
Revolution counter
- Position control |
| Gears |
Position
control |
| Elevator |
Position
control |
| Flow
meter |
Reed
Switches, actuated by rotating magnet, monitors flow |
| Gas meter |
| Valva |
OPEN
/ CLOSED position control |
| Reed
relay |
Reed
Switch actuated by a coil |
| Others : |
| Where
to find |
How
it works |
| Speedometer |
Magnet
mounted on spoke of a bike triggers Reed Switch |
| Anemometer |
Rotating
magnet triggers Hall Switch |
| Current
limiter |
If
coil current exceeds limit reed switch Inside coil is
actuated |
| Alarm Systems : |
| Where
to find |
How
it works |
| Burglar,
alarm systems |
Doors
and windows protected by Reed Sensors |

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