Force sensor RA18-DIY - 4kg round 18mm

Index: MRV-12156 EAN: 5904422318772

Pressure sensor reduces its resistance when the force put to the round tip, increases. The sensor is round with a diameter of 15 mm, overall width of 18 mm, the maximum pressure force is 4 kg.

Force sensor RA18-DIY - 4kg round 18mm
€13.41 tax excl.
Discontinued product
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Pressure sensor 4kg - size:
Manufacturer: Marveldex


The product has been discontinued. Check other products in category.


The sensor reduces its resistance when the force put to the tip, increases. Due to this phenomenon, and the use of microcontroller with analog to digital converter, you can build a sensor that measures the force of pressure. The measurement can be displayed, for example, on the LCD display.

podłączenie czujnika nacisku RA18-DIY

Diagram of the connection with Arduino.

Wiring diagram

The sensor has 8 Vin and ADC pins. For correct operation, the wire must be connected in a proper way, using the 4 designed for pins, fields. The sensors can be connected with each other.

Wyprowadzenia czujnika RA18-DIY

Schemat podłączenia RA18-DIY

A graph of the resistance from the applied force

Wykres rezystacji RA18-DIY

The product is compatible with Arduino

The manufacturer provides acode examplefor Arduino.


  • Response time: < 10 µs
  • Operating temperature: -20 to 60 °C
  • Storage temperature: -30 °C to 60 °C
  • Operating humidity: up to 90 %
  • Current consumption: 5 mA to 20 mA
  • The output resistance range: from ∞ to 200 Ω
  • Mechanical tolerance: up to 50 µm
  • Temperature effect: up to 10 %
  • Influence of humidity: 20 %
  • Output tolerance: max. 20 %
  • Measuring range: from 5 g to 4 kg
  • Size: 18,65 x 18,32 x 0.7 mm
  • Sensor's diameter: 8 mm

Package width 5 cm
Package height 0.1 cm
Package depth 9 cm
Package weight 0.001 kg

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