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Single zone sensor RP - W8 - L120 long strip thickness 0.25mm can be used for force sensing research FSR sensor
Single zone sensor RP - W8 - L120 long strip thickness 0.25mm can be used for force sensing research FSR sensor
Single zone sensor RP - W8 - L120 long strip thickness 0.25mm can be used for force sensing research FSR sensor
Single zone sensor RP - W8 - L120 long strip thickness 0.25mm can be used for force sensing research FSR sensor
Single zone sensor RP - W8 - L120 long strip thickness 0.25mm can be used for force sensing research FSR sensor
Single zone sensor RP - W8 - L120 long strip thickness 0.25mm can be used for force sensing research FSR sensor
Single zone sensor RP - W8 - L120 long strip thickness 0.25mm can be used for force sensing research FSR sensor
Single zone sensor RP - W8 - L120 long strip thickness 0.25mm can be used for force sensing research FSR sensor

Single zone sensor RP - W8 - L120 long strip thickness 0.25mm can be used for force sensing research FSR sensor

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US $4
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≥100000 Pieces
US $1.67
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Quick Details

Mounting Type:
easy installation
Description:
force sensitive resistor, Resistive thin film pressure sensor
Manufacturing Date Code:
/
Model Number:
RP-W8-L120
Type:
force sensitive resistor
Place of Origin:
Guangdong, China
Brand Name:
Legact
Theory:
Pressure increases, resistance decreases
Output:
analog signal
Thickness:
0.25mm
Shape:
flexible
Actuation force:
20g
Sensitivity range:
20g~3Kg
Resolution:
continuous
Non-actuated resistance:
>1M Ω
Operating temperature:
-40℃~+85℃
Life time:
>1 million
Resistor usage range:
1K~100KΩ

Quick Details

Use:
Perceived pressure trend changes
Series:
RP-W8
Features:
customization
Mounting Type:
easy installation
Description:
force sensitive resistor, Resistive thin film pressure sensor
Manufacturing Date Code:
/
Model Number:
RP-W8-L120
Type:
force sensitive resistor
Place of Origin:
Guangdong, China
Brand Name:
Legact
Theory:
Pressure increases, resistance decreases
Output:
analog signal
Thickness:
0.25mm
Shape:
flexible
Actuation force:
20g
Sensitivity range:
20g~3Kg
Resolution:
continuous
Non-actuated resistance:
>1M Ω
Operating temperature:
-40℃~+85℃
Life time:
>1 million
Resistor usage range:
1K~100KΩ

Product Description

Force Sensitive Resistor are resistive sensor exhibiting vary resistance that responds to force applied to the sensing area. Asforce on the sensor is increased, resistance is decreased.
For the single-zone sensors, as the sensor is a Two-terminal device that can essentially be treated as a variable resistor whose value is controlled by applied force, and also a switch whose threshold is controlled by applied force and setting up.
Technical Data and Physical Properties
Thickness
0.25mm
Shape
flexible
Actuation force
20g
Sensitivity range
20g to 3Kg
Operating temperature

-40℃~+85℃
Repeatability Same part
+/-3%, Average R@1000g
Repeatability part to part

+/-10% Average R@1000g
Force curve
The following plot shows an example
response resistance curve, when the
sensor actuated by a force curve tester.
The following plot shows an near-linear curve whose axes value treated by log10.

Application Circuit

1.Voltage Divider
The sensor is placed in series with a fixed resistor (R0), and output voltage is measured across R0. It is given by Vout=Vcc*R0/(R0+Rs).
How to define the fixed resistor value, Basically, R0 is 1/3 to 1/2 of the resistance range of Rs. What’s more, if R0 is appropriate, you can get a near-linear curve of Force vs Vout in a special force range. Depending on the impedance requirements of the measuring circuit, the voltage divider could be followed by an op-amp.
2.Force Threshold Switch
This is an ideal circuit for applications that require on-off switching at a specified force. It consists a Wheatstone bridge circuit and a voltage comparator.
When apply force and Rs becomes to be lower than R1, lead U1+ to be higher than U1-, and Vout becomes to be high. This high level signal can used to be trigger signal of following devices, for example, it can trigger a relay, and then control LEDs, buzzer warning, motor and other load devices.

Custom sensors

We can design specialized sensors to meet the customers’ unique requirements. It is including specialized shape andsize,specialized force vs. resistance characteristic, special material and thickness, unique active area shape and quantity, and also connection options.
Mechanical data of sensor RP-W8-120



Contact Us.

Mobile Phone: +8615813728838

Email: denny@film-sensor.com

Click on the picture to send us an inquiry for more information

Product application

Favorable feedback

Customers give us good reviews

Company Introduction

Shenzhen Legact Technology Co., Ltd. is a subsidiary company of Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences.
Our sensing solution products include force sensitive resistor (FSR sensor), piezoelectric film sensor, array sensor,pressure mapping system, sleep monitoring sensor and sleep monitoring system.

Factory Demonstration

Force sensing resistor ( FSR sensor)
Fiber covering protection
FPC/PCB
SMT/PCBA

Office Workplace

This is where we discuss solutions with clients or our internal meetings take place.

What we can do

FSR Sensor R&D Prototype, Development Manufacturing and Customization
Sensor Fiber Cover Protection
Firmware Development
Hardware Design
PCB Production
PCB Assembly

Exhibition

FSR sensor, pressure distribution and sleep monitoring system products are launched at exhibitions around the world.

frequently asked questions

1.Can thin-film resistance pressure sensors measure accurately?
Thin-film resistance pressure sensors cannot be accurately measured and can qualitatively analyze the trend of pressure changes or the relative magnitude of the test pressure.
2.Can the sensor be folded and bent?
Although the sensor is flexible, folding the pressure-sensitive active area may cause the conductor to break, and it isrecommended not to bend more than 90°.
3.Is the sensor resistant to high temperatures?
Operating temperature range -40°C~+85°C
4.How do flexible sensors feedback pressure? Is the resistance constant, or is it decreasing by a constant value?
Flexible pressure sensors are resistive: the greater the force, the smaller the resistance.
5.Is the sensor waterproof?
The flexible pressure sensor material is not recommended to be in direct contact with the liquid, and the sensor needs to be waterproof.
6.What surface is best for the sensor to place?
Flat and smooth surfaces are optimal, where moist gases or dirt particles can cause false triggering of the sensor.
7.Will the sensor be damaged if it exceeds the range?
Exceeding the range will not damage the sensor, and the sensor can continue to work normally after the range returns to normal.
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