SF131 Tank Water level sensor

(1) Choice of normal open or normal close

(2)No standby power requirement.

(3)Customer can define activated distance, cable length and connector.

(4)Hermetically sealed, suit to tough environment and long life.

Working Theory:

When the float ball rises or falls with the liquid to the level of the switch, The magnetic force of magnet which inside of the float ball will cause the reed switch to turn ON. When the float ball move away from the reed switch, the reed switch will turn OFF.

The electronically characteristics of magnetic level switch:

Max switch rating: 10W/70W

 Max switch voltage: 200V/250V

 Max switch current: 0.5A/1.0A

 Max contact resistance: 100m Ohm

 Min insulation resistance: 100M Ohm

 Electrical life: one million times above

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