Kitronyx’s Film-type sensors are FSR (Force Sensing Resistor) sensors.

When pressure is applied to the sensor, the conductive particles come closer together, reducing the resistance.

The principle involves converting the resistance change in the sensor into a digital signal via a controller, which outputs ADC values in the software.

Additionally, FSR sensors are classified into shunt mode and thru mode based on the pattern.

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After connecting the sensor to be inspected with the controller and PC, 

select the accumulation mode in the real-time analysis window.

By pressing the sensor in an X-shape as shown in the image below, 

you can check for any defects by verifying if the output is consistent in the same direction and if there are no missing parts.

<Note> How to set the accumulated mode of the real-time analysis window

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If you need large-area measurements, 

you can connect up to 8 sensors and measure simultaneously.

For more detailed information, please refer to the video below.

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If you have any other inquiries, please leave a message through the URLs below, and we will respond promptly.

For product inquiries: https://www.kitronyx.com/contact

For technical support inquiries: https://www.kitronyx.com/support_request 

Hello, this is Kitronyx.

In conclusion, yes, you can use the sensor in such environments. 

However, please note that applying excessive force to the sensor may cause damage.

Here are the results from our actual experiments: 

When calibration was performed at 15, 25 kgf, the error rates were checked at applied forces of 10 kgf, 20 kgf, and 35 kgf. 

The results were as follows:

•10 kgf: approximately 15 ~ 20%

•20 kgf: approximately 3 ~ 5%

•35 kgf: approximately 10 ~ 12%

When calibration is performed to match the usage environment, the error rate shows excellent performance, up to a maximum of 5%.

Even in environments outside the calibration range, although the error increases, 

the relative pressure measurement still operates normally.

Therefore, while there is no problem using the sensor in environments outside the calibration range, 

performing calibration to match the usage environment will reduce errors.

Error rate: |Applied force - measurement result| / Applied force x 100(%)

※ Results may vary depending on the experimental environment.

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Hello, this is Kitronyx.

 Due to the complexity and non-linear characteristics of the electronic pressure sensor, 

it is difficult to define a uniform pressure resolution.

As shown in the figure below, the non-linear characteristics generally exhibit higher pressure

※ Please note that the graph is for reference only to understand the pressure resolution. 

The pressure range and resolution may vary depending on the sensor.

You can see in the video that the measured value changes as the applied weight increases.

Let's check the pressure resolution based on the video.

 The area of the weight plate is about 15 cm².

You can see the measured value change as the weight increases by 1 kgf

Therefore, based on the video, we can say that the pressure resolution is at least 0.067 kgf/cm²!

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Hello, this is Kitronyx.

The proper way to use the device is to perform calibration according to the usage environment before using it. 

Based on our internal experimental experience, we can explain it in two scenarios.

※ Results may vary depending on the experimental environment.

1. Performing calibration at high pressure and using it at low pressure

More than half of the samples showed improved node deviation, 

while the remaining samples showed worsened node deviation.

2. Performing calibration at low pressure and using it at high pressure

About 10% of the samples showed improved node deviation, 

while the remaining samples showed worsened node deviation.

These results are due to the non-linear characteristics of the sensor. 

We recommend performing calibration according to the usage environment before using it.

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Spatial resolution is a criterion for how detailed the spatial resolution of a sensor can be expressed in the spatial domain.

The spatial resolution is based on the Pitch between nodes of the sensor. 

The figure below is an example.

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What is the difference between a resistive sensor and a capacitive sensor?
You've heard a lot about the resistive method and the capacitive method in touch sensor technology on displays.
The two methods are used in touch technology, but they are sensors with different operating principles.

1. Resistive Type sensor
The resistance method or the resistive method is the touch recognition method of the initial smartphone.
This method is also called pressure sensitive because it is operated by a pressing force.
When the conductive layers in the upper and lower parts are brought into contact by pressure, the resistance changes and the touch is recognized by sensing this change.
Although it requires higher pressure compared to the capacitive type, it is widely used for industrial purposes because it can be touched with a gloved hand.

2. Capacitive Type Sensor
The capacitive sensor uses an electric field to recognize objects.
When a conductor such as a finger is near the sensor, capacitance changes and detects this change and recognizes the touch.
The capacitive sensor responds to light touches with high sensitivity, and is mainly used in the latest smartphones.

We have outlined the main features and differences in the table below for your reference.

So, how do kitronyx` sensors work?

The kitronyx sensor is a force sensing resistor (FSR) sensor, 

which uses the principle that resistance values change by physical force or pressure.

In particular, the FSR sensor can be manufactured in the form of a thin film, 

so it can also be applied to narrow spaces or industrial equipment that needs to minimize interference.

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Gain Tuning is a function used to correct the variation between nodes of the sensor. 

Applying force uniformly across the entire area is necessary to correct the deviations of all nodes. 

Therefore, we recommend performing Gain Tuning across the entire area.

For calibration, you need equipment that can press the sensor evenly. 

If you do not have such equipment, you can use Kitronyx's calibration service for a nominal fee. 

Alternatively, you can create your own calibration equipment to perform the calibration yourself.

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