Level measurement - Level Switches and Sensors

The magnetic float sensor is a very simple way to detect a high or too low level.

The float is connected to a rod (permanent magnet). As the liquid level rises or falls, the strength of the magnetic field required to close the contact changes. The contact is connected directly to the sensor wires and switches on/off the electrical circuit to which it is connected. The sensor does not require any supply voltage, so it is voltage-free.

Properties of the level sensor:

• Switching positions: for horizontal switches
• Function principle: magnetic contact
• Max. working pressure: 1,0 MPa and 0,3 MPa
• Max. the temperature of the measured liquid: from -40 ° C to + 125 ° C
• Ambient temperature: from -40 °C to 100 °C, from -40 °C to 80 °C
• Density of the measured medium min: 0.8 g/cm3 and 0.7 g/cm3
• Protection degree IP 65
• Non-explosive design
• Connection: external thread G 1/2"
• Material: stainless steel 1.4301 (AISI 304), polypropylene
• Closed when the float is in the axis (max. angle 5°)
• Switched off when deflected at 40° (AISI 304), 75° (plastic version) from axis
• Sensor connection: two-wire cable

Areas of use:

• Sensing the lower level of the coolant level
• Food and beverage industry
• Dairy industry
• Fuel or oil level sensing
• Liquid level monitoring
• Vending machines
• Home appliances
• Medical devices
• Sanitary facilities