what is a sensor
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sensor A sensor is a device that detects and responds to some type of input from the physical environment. The specific input could be light, heat, motion, moisture, pressure, or any one of a great number of other environmental phenomena.The output is generally a signal that is converted to human-readable display at the sensor location or transmitted electronically over a network for reading or further processing.he liquid contained expands and contracts in response, causing the level to be higher or lower on the marked gauge, which is human-readable. An oxygen sensor in a car's emission control system detects the gasoline/oxygen ratio, usually through a chemical reaction that generates a voltage.
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Wireless sensor network A wireless sensor network (WSN) (sometimes called a wireless sensor and actor network [1] (WSAN)) are spatially distributed autonomous sensors to monitor physical or environmental conditions, such as temperature, sound, pressure, etc. and to cooperatively pass their data through the network to a main location.
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Follow Google Developers on WeChat The proximity sensor is usually used to determine how far away a person's head is from the face of a handset device (for example, when a user is making or receiving a phone call). Most proximity sensors return the absolute distance, in cm, but some return only near and far values.
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- Oxygen Sensor (O2 Sensor). The Oxygen Sensor, also known as the O2 Sensor is the component responsible for delivering exhaust information to a vehicle's emissions computer. Most late model vehicles will be equipped with both a pre-CAT oxygen sensor and a post-CAT oxygen sensor.
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- We need the sensor in the system to measure what the system is doing. 1  The sensor measures the output of the system we are controlling.  It often converts the output into a variable we can use. If the output is a temperature, we might want to have a voltage we can use to control a heater, for example.
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- The Android platform supports three broad categories of sensors: 1  Motion sensors These sensors measure acceleration forces and rotational forces along three axes. 2  Environmental sensors These sensors measure various environmental parameters, such as ambient air temperature and pressure, illumination, and humidity.
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Sensors: Different Types of Sensors Table of Contents: Sensors are sophisticated devices that are frequently used to detect and respond to electrical or optical signals. A Sensor converts the physical parameter (for example: temperature, blood pressure, humidity, speed, etc.) into a signal which can be measured electrically. Let’s explain the example of temperature.
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Sensor Some sensors can also affect what they measure; for instance, a room temperature thermometer inserted into a hot cup of liquid cools the liquid while the liquid heats the thermometer. Sensors are usually designed to have a small effect on what is measured; making the sensor smaller often improves this and may introduce other advantages. Technological progress allows more and more sensors to be manufactured on a microscopic scale as microsensors using MEMS technology.
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Sensor In the broadest definition, a sensor is an object whose purpose is to detect events or changes in its environment, and then provide a corresponding output. A sensor is a type of transducer; sensors may provide various types of output, but typically use electrical or optical signals.For example, a thermocouple generates a known voltage (the output) in response to its temperature (the environment). sensor's sensitivity indicates how much the sensor's output changes when the input quantity being measured changes. For instance, if the mercury in a thermometer moves 1 cm when the temperature changes by 1 °C, the sensitivity is 1 cm/°C (it is basically the slope Dy/Dx assuming a linear characteristic).
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- Honeywell Sensing and Productivity Solutions offers a variety of electronic sensors designed to detect and measure temperature, pressure, force or acceleration Home Products
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Sensors - definition Proximity Sensor. Detects when an object is near to the phone. Most commonly used to sense when a phone is held up to the users ear to turn off the display. This saves both battery life and prevents accidental screen touches. Accelerometer and gyroscope. Accelerometers in mobile phones are used to detect the orientation of the phone. The gyroscope, or gyro for short, adds an additional dimension to the information supplied by the accelerometer by tracking rotation or twist.
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- In the broadest definition, a sensor is an object whose purpose is to detect events or changes in its environment, and then provide a corresponding output. A sensor is a type of transducer; sensors may provide various types of output, but typically use electrical or optical signals.
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- No, A fiber optic sensor is a sensor that uses optical fiber either  as the sensing element (intrinsic sensors), or as a means of  relaying signals from a remote sensor to… the electronics that  process the signals (extrinsic sensors). Making the world better, one answer at a time.
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Underwater acoustic communication A vector sensor is capable of measuring important non-scalar components of the acoustic field such as the wave velocity, which cannot be obtained by a single scalar pressure sensor. In recent decades, extensive research has been conducted on the theory and design of vector sensors.
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NXT sensors The Ultrasonic Sensor is one of the two sensors that give your robot vision [The Light Sensor is the other]. The Ultrasonic Sensor enables your robot to see and detect objects. You can also use it to make your robot avoid obstacles, sense and measure distance, and detect movement.
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What is a Pressure Transmitter? A pressure transmitter or pressure sensor is a device that measures pressure in a liquid, fluid, or gas.Pressure transmitters are commonly used to measure pressure inside of industrial machinery in order to alert the user before a catastrophe occurs.ow a Pressure Transmitter Works. There are over 50 types of pressure transmitters that all work differently. Therefore, it is difficult to describe how all of them work within the confines of this article.
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- Sensors are a critical piece to any measurement system converting physical phenomena such as temperature to an electrical signal. Combining sensors with NI hardware for signal conditioning and NI LabVIEW software can help you build and spec an entire measurement system in one place.ensors are a critical piece to any measurement system converting physical phenomena such as temperature to an electrical signal. Combining sensors with NI hardware for signal conditioning and NI LabVIEW software can help you build and spec an entire measurement system in one place.
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- What is a Throttle Position Sensor? The Throttle Position Sensor (TPS) tells your car’s computer how far you are pressing the gas pedal. The car’s throttle is an opening to the engine that opens or closes based on how much air the engine needs.
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NXT sensors The Sound Sensor can detect both decibels [dB] and adjusted decibel [dBA]. A decibel is a measurement of sound pressure. dBA: in detecting adjusted decibels, the sensitivity of the sensor is adapted to the sensitivity of the human ear. In other words, these are the sounds that your ears are able to hear.
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1. What do Senix Â®ultrasonic sensors do? Ultrasonic sensors measure the distance to or presence of a target object or material through air without touching it. The measured distance is provided as an output in a variety of standard electrical interfaces compatible with displays, machinery, PLC’s, computers and most electronic or electrical machinery.
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Sensors and Transducers The word “Transducer” is the collective term used for both Sensors which can be used to sense a wide range of different energy forms such as movement, electrical signals, radiant energy, thermal or magnetic energy etc, and Actuators which can be used to switch voltages or currents.
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Lambda sensor Lambda Sensor. The Lambda Sensor, also known as an Oxygen or O 2 sensor, gives a voltage feedback to the ECU indicating the amount of oxygen in the exhaust stream, thus allowing accurate control over the combustion mixture.ambda Sensor. The Lambda Sensor, also known as an Oxygen or O 2 sensor, gives a voltage feedback to the ECU indicating the amount of oxygen in the exhaust stream, thus allowing accurate control over the combustion mixture.
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- Sensor Hardware found on a biometric device that converts biometric input into a digital signal and conveys this information to the processing device. Page 24 of 33. Biometrics Glossary This Document Last Updated: September 14, 2006 Sensor Aging The gradual degradation in performance of a sensor over time.
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Target The Glute Muscles With These 10 Stretches For Back, Knee and Hip Pain Relief The three muscles that make up our butt – gluteus maximus, gluteus medius and gluteus minimus – are commonly referred to as the “glutes,” and together, they work to move the leg out to the side, rotate it outwards and move the leg backwards. They also stabilize the knee and pelvis, making sure their held in their proper place.
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Sensor Fundamentals Every sensor is designed to work over a specified range. The design ranges are usually fixed, and if exceeded, result in permanent damage to or destruction of a sensor. It is customary to use transducing elements over only the part of their range where they provide predictable performance and often enhanced linearity.
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Oxygen sensor The sensor does not actually measure oxygen concentration, but rather the difference between the amount of oxygen in the exhaust gas and the amount of oxygen in air. Rich mixture causes an oxygen demand. This demand causes a voltage to build up, due to transportation of oxygen ions through the sensor layer.