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Future Electronics Egypt

Membrane Seat Occupancy (Pressure) Sensor

Membrane Seat Occupancy (Pressure) Sensor

LE 210.00

This sensor work as seat or chair occupancy sensor. When someone is sitting on a chair or car seat, the seat surface is subjected to a pressure. This pressure makes the upper and lower circuit layers of the seat sensor contact each other, Thus, the circuit loop is turned on conductive to generate a signal to other devices, Showing someone is sitting on the chair or car seat (the seat is occupied). Other systems in the car will use this signal to work. For example, the seatbelt warning system will detect if the person on the car seat whether put a seat belt on himself.

The seat occupancy (pressure) sensor acts like a simple switch. If enough weight applied on it to close the contact, the switch is closed. That is, the two wires on the connector are shorted together. Otherwise, the switch is normally open.


  • Single point sensing weight: 150g
  • Working voltage: 5VDC
  • Working current: <100mA
  • Response time: 10 ms
  • Insulation impedance: 20MΩ
  • Trigger resistance: 0-150Ω
  • Size: 17.6 x 15.4 cm
  • Wire length: approx.40 cm



Membrane Seat occupancy (pressure) Arduino tutorial by Future Electronics Egypt



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