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Car Seat Occupancy Sensor

Child Seat Pressure Sensor Safety Belt Reminder

Child safety seat occupancy (used in private cars to prevent safety risks caused by children being left in the car

Product Specification:
  • Operating Voltage : Min 0/Max 5.5V
  • Working Current : Min 0/Max 50mA
  • Peak Current : Min 0/Max 100mA
  • Non Triggering Resistance(non load) : Min 10.0K/Max ∞Ω
  • Trigger Resistance(carrying human body) : Min 0/Max 100Ω
Product Details



Infant model Suitable for infants aged 9 months to 3 years 9kg-18kg (about 9 months to 4 years old)
Child model Suitable for 4 ~ 6 years old baby 15kg-25kg (about 3-6 years old)
Juvenile model Suitable for 7-12 years old baby 22kg-36kg (about 6-12 years old)


Child Safety Sensor

Vmanx child safety seat sensor is a membrane contact sensor.Sensor contacts are evenly distributed on the force receiving surface of the seat, and trigger signals are generated when external forces an external force acts on the seat. It can be applied to the child safety seat occupant perception system to prevent children from being forgotten in the car, avoid unexpected accidents etc. For example, with this device, the pressure sensor can detect whether the child is riding on it, and the signal of the sensor is detected by CU. Then, CU control can send signals to mobile phones or automotive related terminals as a reminder to prevent unexpected discoveries. It can also design the size of the sensor and the sensitivity of the contacts according to the shape and hardness of the seat.


Features of Vmanx child safety sensor

Membrane type

Pressure trigger

Can detect whether someone is sitting and output the signal to a mobile phone APP or a terminal related to the car

Sensors can be developed according to the type of child seat design


Property Parameter

Working voltage: Min 0/Max 5.5V

Working current: Min 0/Max 50mA

Peak Current: Min 0/Max 100mA

Non-trigger resistance (Non-loaded): Min10.0K/max ∞Ω

Trigger resistance (Carrying the body): Min 0/Max 100Ω

Insulation resistance (Non-loaded): Min10/ Max 20MΩ


Technical parameters

Material: PET

Material surface thickness: 0.125mm ~0.188mm

Output signal: Resistance (<100Ω)

Film thickness: 0.4~0.65mm

Back adhesive: Pressure-sensitive adhesive

Environment temperature: -40℃-80℃

Permanence: >200000 times

Particular Test Weight (20mm diameter):

Pressure range Single-point test <25g 100% Non-conducting

Pressure range Single-spot test: >125g, 100% conducting

Connector: As per actual requirements



Child safety seat occupant perception system

Children's playground safety seat

Child related seat

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