Basic Color Sensor:

Basic Color Sensor:

Suppose you have a sensor that can see many different colors, such as aphotoresistor. How would you use this sensor to detect red apples vs. green apples? Well, consider brightness comparisons.
Red apples reflect red light but absorb green light. Green apples reflect green light but absorb red light.
If you shine a red light (such as from a red LED) on both apples, the red apple will reflect much more light than the green apple. As such, the apple that appears the brightest to your sensor will be the red apple. If you shine green light from a green LED on both apples, the green apple will appear the brightest.

Suppose you had some balls and you wanted your robot to tell the difference between the blue, green, yellow, and orange ball. How would you do this? Well, get a blue LED, a green LED, and a red LED. Then shine each onto the balls, one light at a time, and record the brightness values.
Obviously, the blue ball will read the highest brightness values when the blue LED is turned on, but very low values otherwise. The green and the yellow ball can be detected in a similar manner. So how do you tell the difference between the yellow and the orange ball? Well, the orange one is closer to red in the light spectrum, and as such will reflect more red light than the yellow one.

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General Application of Peressure sensor

Electronic pressure sensors usually measure the change in pressure through the deformation of a diaphragm. If this diaphragm is exposed to the process pressure on one side and “vented” on the other side (and thus exposed to the ambient pressure), the deformation is reduced (because it is counterbalanced) by exactly this ambient pressure.
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Basic Physical Types of Temperature Sensors

In general, there are two sensing methods: 1. Contact Contact temperature sensors are in physical contact with the object or substance. They can be used to measure temperature of solids, liquids or gases. 2. Non-contact Non-contact temperature sensors detect temperature by intercepting a portion of emitted infrared energy of the object or substance, and sensing its intensity. They can be used to measure temperature of only solids and liquids. It is not possible to use them on gases because of their transparent nature. Future Sky Equipment Agency of Datexel in Dubai. Our Suggestion : Datexel toll - free : 800-6001

Color Sensor

Color Sensor

Color is one of the most important characteristics of light, although we may not always be aware of this fact and of its importance, taking it for granted.
However, even though color plays a unique role of great importance in our daily life and—as we shall soon see—in quite a few industrial and scientific applications,the number of sensors dedicated to color sensing is surprisingly small and—more importantly—the existence or operation principles of such sensors are very little known to the general public. When “microelectronics” is mentioned, most of the people think of mobile phones, computer microprocessors, or other familiar applications such as DVD players, GPS, or game consoles. In general, the media typically focuses its attention on the latest developments in these areas which are very familiar to everybody, such as telecommunications, computers, and new consumer electronic gadgets.

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Sensopart

In many processes similar values, such as the distance or thickness of an object, must be determined. In such applications, the laser distance sensors of the FT 50-RLA series (which operate using the triangulation principle), and the particularly far-sighted FR 90-ILA (which can measure distances of up to 250 m with millimetre accuracy using light time-of-flight technology), have proved particularly effective.

The vision sensors of our VISOR^® series can also be used for demanding measurement tasks. The VISOR^® Solar can precisely measure solar cells and detect even minimal edge breakouts. In addition, the Eyesight vision system, with a function library with over 100 functions, is available for detailed inspections of dimensional accuracy.
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Temperature Transmitter

For any temperature application requirements, IVL Group has an extensive range of sensors and instrumentation to solve your temperature problem. Our high quality sensors feature rugged construction for maximum accuracy and longevity, and our temperature transmitters are used across the oil & gas, chemical, power and process industries.
Products include; Temperature gauges, temperature transmitters and temperature switches.
Our temperature transmitters provide highly reliable, stable and accurate temperature measurements and our microprocessor based transmitters are fully user configurable and available with a choice of 4-20mA smart outputs.
If you require a simple thermocouple, or something more complex, we can respond quickly to your requirements. For more detailed product specifications on some of our temperature products please click on the links below.
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pressure transducer

pressure transducer
A pressure transducer, often called a pressure transmitter, is a sensor that converts pressure into an analog electrical signal. Although there are various types of pressure transducers, one of the most common is the strain-gage base transducer.

The conversion of pressure into an electrical signal is achieved by the physical deformation of strain gages which are bonded into the diaphragm of the pressure transducer and wired into a wheatstone bridge configuration. Pressure applied to the pressure transducer produces a deflection of the diaphragm which introduces strain to the gages. The strain will produce an electrical resistance change proportional to the pressure.

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