Sensors Definition
A sensor is a kind of electrical components that measures and responds to a property such as pressure, temperature, position, acceleration, traffic, speed and more. As one of reliable electronic components distributors, JMChip Electronic provides you qualified sensors from sensors manufactures in the world. And in our sensor category, there are various sensors components to meets your needs, including industrial, automotive, appliance, medical, aerospace and defense, and industrial and commercial transportation. We also offer sensors for home systems, sensors in cars, sensors for robotics and sensors in blood pressure devices.
What are Sensors?
Electrical Sensors are electronic components that detect changes in the environment and react to some other system's output. As a kind of electrical parts, a sensor can turn a physical phenomena into a quantifiable analog voltage (or, in certain cases, a digital signal). And the analog voltage will displayed or sent for reading or further processing.
Types of Sensors
We live in a Sensory World. Different Sensor Types can be found in our homes, offices, cars, and other places, all working to make our lives easier by turning on lights when we enter the room, adjusting the room temperature, detecting smoke or fire, brewing delicious coffee, opening garage doors when our car approaches the door, and many other tasks. Electronic sensors enable all of these and a slew of additional automated activities. The following will show you the Sensors types.
Different sensors types includes Accelerometer, Color Sensor, Flow and Level Sensor, Humidity Sensor, IR Sensor (Infrared Sensor), Light Sensor, Magnetic Sensor (Hall Effect Sensor), Microphone (Sound Sensor), PIR Sensor, Position Sensor, Pressure Sensor, Proximity Sensor, Smoke, Gas and Alcohol Sensor, Strain and Weight Sensor, Temperature Sensor, Tilt Sensor, Touch Sensor, Traffic Sensor, Ultrasonic Sensor, etc.
Thermal Sensors - often known as temperature sensors(temparature sensors), these can be set to measure a specific temperature or a range of temperatures. They are often used for environmental compliance, and can be a key components of humidity sensor applications such as automated AC units.
Proximity Sensors - Motion sensors can work as ultrasonic sensors, which use sonic waves to determine proximity to objects.
Capacitive proximity sensors use electromagnetic waves to determine the proximity of metallic objects, and are frequently used in food safety environments.
Flow Sensors - these sensors are for measuring the force of fluid flow. Pressure sensor - for sensing the physical pressure of gas or fluids, these sensors can be used in pneumatic and hydraulic applications.
Photoelectric Sensors - often referred to as optical sensors, photoelectric sensors use a beam of electronic magnetic radiation to detect the presence and location of an object. They are available as through-beam sensors, retro-reflective sensors and diffuse sensors.
Light and Colour Sensors - often a type of optical sensor that works by casting light and measuring the reflected radiation, light and colour sensors can accurately determine a colour or shade, or its absence. Light intensity and colour or contrast sensors are often used in automation and control machinery to ensure the consistent running of a material.
Motion Sensors - Sensors used to detect motion, often by infrared light, such as in PIR sensors.
Sensors Examples
An LDR, or Light Dependent Resistor, is the most basic type of sensor. It's a gadget whose resistance fluctuates depending on the amount of light it's exposed to. When the amount of light falling on an LDR increases, its resistance decreases, and when the amount of light decreases, the LDR's resistance increases. LM35 and DS18B20 are Temperature Sensors. LM35 Temperature Sensor is a classic Analog Temperature Sensor, however DS18B20 is a simple Digital Temperature Sensor. Meanwhile, TSL2561 and BH1750 belong to Digital Light Sensors, which is used to calculate light intensity. And TCS3200 is the simple example of Color Sensor. Humidity Sensors Examples: DHT11 is a Resistive Humidity Sensor and DHT22 is a capacitive Humidity Sensor.
Quantity being Measured | Input Device (Sensor) | Output Device (Actuator) |
Force/Pressure | Strain Gauge Pressure Switch Load Cells | Lifts & Jacks Electromagnet Vibration |
Temperature | Thermocouple Thermistor Thermostat Resistive Temperature Detectors | Heater Fan |
Light Level | Light Dependant Resistor (LDR) Photodiode Photo-transistor Solar Cell | Lights & Lamps LED's & Displays Fibre Optics |
Position | Potentiometer Encoders Reflective/Slotted Opto-switch LVDT | Motor Solenoid Panel Meters |
Sound | Carbon Microphone Piezo-electric Crystal | Bell Buzzer Loudspeaker |
Speed | Tacho-generator Reflective/Slotted Opto-coupler Doppler Effect Sensors | AC and DC Motors Stepper Motor Brake |