Industry news

How To Choose Film Potentiometer Sensor

LGSWITCH Film Potentiometer Sensor Applications

Product  Introduction

The Film Potentiometer Sensor responds to a different resistance value by the force applied to the sensing area. The Sensor with ultra-thin, flexible, durable, wide range of pressure detection and easy integration and other features to help people interact with the device more smoothly, help innovative smart products to save costs and reduce time to market.

The Potentiometer Sensor consists of a polyester film with excellent mechanical properties, a highly conductive material and a nanoscale pressure sensitive material. The top layer is a flexible film and a composite pressure layer on the top. The bottom layer is a flexible film and a composite conductive wire. Both through the double-sided adhesive paste to isolate the sensing area. When the induction zone is compressed, the lines that are disconnected from each other through the top layer of the pressure-sensitive layer conduction, the port resistance output value changes with the pressure.


Thickness 0.35mm
Shape Flaky, flexible
Actuation force <20g Res.<=200KΩ
Sensitivity range <20g to 10Kg<
Resolution continuous
Non-actuated resistance >10M Ω
Response time <10ms
Operating temperature -40℃~+85℃
Life time >1   million
Repeatability Same part +/-3%, Average   R@1000g
Repeatability part to part +/-10% Average   R@1000g
Hysteresis +10%,(RF+ -   RF-)/FR+,1000g
EDS Not ESD   sensitive
Drift <5%, 2.5kg load, 24H
Rohs compliant Yes

Film Potentiometer Sensor Applications

1,Human-machine interface

A thin, durable and flexible force Sensor can be used for embedded devices that require a switching signal.

When the force reaches the specified threshold, the switch contacts are closed and the threshold can be adjusted according to the application requirements.


Tread pressure analysis system
Ultra - thin baggage measuring weights
Identify unintentional or intentional touch
Color balance quality control
Touch interface force sensor
Golf trainer
Grip measurement

2,Consumer Electronics

Flexible, durable, lightweight film force sensor can be used for the following consumer products


Pressure stylus
Ultra-thin sensitivity adjustable keyboard
3D touch
Automatic switch headphones
E-sports game keyboard

3,Running & Health

Film Potentiometer sensor Lightweight, easy to integrate features are popular with smart wear, intelligent sports equipment industry.

Smart cushion


Smart insoles
Smart pillow
Kegel sports intelligence trainer
Smart mattress
Robot tactical feedback
Grip perception / detection


The medical field of health uses Filmsensor FSR to capture weak human physiological signals.


Bed monitoring system
Clinical Breast Palpation Assessment
Brain concussion test
Tooth meshing analysis system
Check if the infusion line is clogged


Contact Us

Contact: Zoe Pan

Phone: +86-188 1909 9735

Tel: +86-769-8628 6778

Add: Dazhou Industrial Zone,Shijie Town,Dongguan City,Guangdong,523291 China

Scan the qr codeClose
the qr code