Statements (33)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:switch
electric motor |
| gptkbp:activatedBy |
magnet placed near switch
|
| gptkbp:advantage |
hermetically sealed contacts
limited current capacity can be affected by vibration no physical contact required for actuation |
| gptkbp:alternativeTo |
gptkb:Hall_effect_sensor
mechanical switch |
| gptkbp:can_switch |
low currents
low voltages |
| gptkbp:consistsOf |
two ferromagnetic reeds
|
| gptkbp:contactWith |
normally closed
normally open |
| gptkbp:deactivation_method |
removal of magnetic field
|
| gptkbp:enclosed_in |
glass tube
|
| gptkbp:enclosure_material |
gptkb:glass
|
| https://www.w3.org/2000/01/rdf-schema#label |
Reed switch
|
| gptkbp:inventedBy |
1936
Walter B. Ellwood |
| gptkbp:material |
ferromagnetic metal
|
| gptkbp:operates |
magnetometer
|
| gptkbp:used_in |
industrial equipment
security systems automotive applications proximity sensors reed relays bicycle speedometers door sensors liquid level sensors |
| gptkbp:usedFor |
detecting magnetic fields
|
| gptkbp:bfsParent |
gptkb:Magnetic_Sensors
|
| gptkbp:bfsLayer |
6
|