Inductive sensors detect metal using a magnetic field and are used in various applications. They consist of an oscillator, iron core or coil, sensing circuit, and output processor. They are preferred over mechanical switches due to their durability and lack of physical contact. They can detect various metals, but calibration may be required for non-ferrous […]
Level sensors detect fluid levels in pipes, containers, or other systems. They come in different designs and are used for specific applications. They can be simple gauges or detect changes in fluid levels and communicate them. They are used to detect dangerous levels of fluid buildup and can transmit data wirelessly. They use different mediums […]
A Mass Air Flow (MAF) sensor determines the air mass entering a fuel-injected engine, allowing the engine control module (ECM) to provide the correct amount of fuel for efficient combustion and reduced emissions. The two main types are hot and cold wire and vane meter sensors. They work in conjunction with other sensors to improve […]
Hydrogen sulfide sensors detect toxic gas levels in various industries. They are crucial in petrochemical, wastewater treatment, and food processing plants, among others. The sensors use microelectromechanical fuel cells and potentiometry to detect gas in air, water, and sludge. Recent improvements in nanoscale engineered materials have increased sensitivity and response times. The American Conference of […]
A torque sensor measures rotational force on machinery and transmits the data to control systems. The sensor is classified as rotary or reaction and can handle different loads and drives. To prevent measurement errors, a rotating sensor can be used. The type of engine and load force affects the sensor’s rating. It is used in […]
The MAP sensor is a crucial part of a vehicle’s engine, responsible for ensuring the correct fuel-air mixture for proper internal combustion. It is located in the intake manifold and can negatively affect engine performance if malfunctioning. Manifold Absolute Pressure is usually shortened to MAP. The MAP sensor is a part of a vehicle’s engine […]
Passive infrared (PIR) sensors detect infrared wavelengths beyond human vision and are used in security systems, motion-activated controls, and other technologies. They are portable, durable, and reliable, and do not require a continuous power source. Filters and lenses can be added to customize their detection range and ignore certain objects. The main component is a […]
The oxygen sensor is a vital component of a car’s emissions system, communicating with the computer to regulate fuel delivery to the engine. It can fail periodically, and its expected lifespan depends on the car’s age and type of sensor. Keeping records of maintenance can help prevent problems and failed emissions tests. An oxygen sensor […]
Piezoelectric sensors measure pressure or strain by converting force into an electrical signal. They can be made from natural or synthetic materials and are used in various applications, including measuring impact forces and detecting unusual vibration patterns. They are also used in microphones, touch screens, and scientific research. A piezoelectric sensor is a device that […]
Hydrogen sensors detect hazardous levels of hydrogen gas, which is flammable and explosive above 40,000ppm. They are used in portable and static gas detectors to detect leaks and in hydrogen fuel cell technology to prevent dangerous leaks. Different sensor designs use palladium or measure changes in conductivity to detect hydrogen concentrations as low as 5ppm. […]
Wireless temperature sensors measure and transmit temperature information without wires. They can be used in homes and commercial buildings to monitor temperature and humidity, control HVAC systems, and alert maintenance personnel of suboptimal conditions. They offer easy installation and energy efficiency benefits. A wireless temperature sensor is a device used to measure and transmit temperature […]
Proximity sensors detect distance between objects. They use sound, electromagnetic radiation, and changes in electric or magnetic fields. They are used in navigation, touch screens, security systems, and electronic equipment. A proximity sensor is a device used to determine the relative distance of another object. There are many different types of these sensors and they […]
Flame detectors use optical sensors to detect flames and are used in hydrogen stations to prevent fires. There are seven types including ultraviolet, infrared, UV/IR, IR/IR, IR/IR/IR, visible sensors, and video cameras. Each type has its own advantages and disadvantages. A flame detector is a type of device that uses optical sensors to detect flames. […]
Potentiometric sensors detect ionic atoms or molecules in a compound that carry an electrical charge, without requiring a current to flow. The most common use is in oxygen sensors in automobiles, but they are also used in analytical chemistry, industrial processes, and environmental pollution control. A potentiometric sensor is a type of chemical sensor used […]
Position sensors measure position and include transducers, encoders, and potentiometers. They can be linear or angular, relative or absolute. Examples include proximity sensors and eddy current sensors, used in machines like coin-operated washers. Other examples include grating sensors, linear encoders, and rotary encoders. They are used in various appliances, machinery, and commercial environments. Position sensors […]
Carbon dioxide sensors measure CO2 levels in gases and liquids, used in various industries and scientific fields. In air conditioners, they monitor air quality and adjust temperature accordingly. They are also used in medical procedures, identifying CO2 levels in blood, and in the production of carbonated beverages. The main type of sensor is NDIR, measuring […]
Piezoresistive sensors use changes in semiconductor resistivity under mechanical stress to produce electronic readings. They are used in a range of industries and applications, from automotive to medical, and can be constructed with various semiconductor substrates. A piezoresistive sensor is a device that uses changes in the resistivity of certain semiconductor materials when subjected to […]
Temperature sensors collect and convert temperature data for various purposes. The mercury thermometer is a well-known example, but computerized sensors are more accurate. Biological sensors in organisms function similarly, transferring data in an understandable form. A temperature sensor is a device that collects temperature data from a source and converts it into a form that […]
A USB motion detector is a device that connects to a computer and detects motion. It can be used for home surveillance, presentation aids, and safety features. The device is user-friendly and can be configured for various purposes. A USB motion detector is a device connected to a computer that can detect motion within a […]
A sensor node collects data about its surroundings and sends it to processors in a network. It detects changes in temperature and pressure and can have different sensor characteristics. It transmits data wirelessly using a transceiver and contains computer components and a power source. A sensor node, which may also be referred to as a […]
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