Analog sensors are devices that measure a continuous physical parameter and convert it into an analog signal that can be measured and recorded. Here are some real-life practical examples of analog sensors:
- Thermocouples: Thermocouples are temperature sensors that measure the voltage generated by two dissimilar metals when they are subjected to a temperature gradient. The voltage is proportional to the temperature difference between the two ends of the thermocouple. Thermocouples are commonly used in industrial processes to measure temperature in boilers, furnaces, and other high-temperature applications. According to a market research report by Grand View Research, the global thermocouple market size was valued at USD 1.96 billion in 2020.
- Pressure sensors: Pressure sensors are used to measure the pressure of gases or liquids. They can be based on various technologies such as strain gauges, capacitive, or piezoelectric. Pressure sensors are commonly used in the oil and gas industry to monitor pipeline pressure, in the automotive industry to measure tire pressure, and in the medical industry to monitor blood pressure. According to a report by MarketsandMarkets, the global pressure sensor market size is projected to grow from USD 13.6 billion in 2020 to USD 20.8 billion by 2025.
- Accelerometers: Accelerometers are used to measure acceleration or vibration. They can be used to monitor the performance of rotating machinery or to detect seismic activity. Accelerometers are commonly used in the aerospace industry to monitor the vibration of aircraft engines and in the automotive industry to detect crashes. According to a report by ResearchAndMarkets, the global accelerometer market is expected to reach USD 4.9 billion by 2026.
- pH sensors: pH sensors are used to measure the acidity or alkalinity of a liquid. They can be used in a variety of industries, such as food and beverage, pharmaceuticals, and wastewater treatment. pH sensors are used to monitor the pH of beer during brewing, to monitor the pH of blood during medical procedures, and to monitor the pH of wastewater before discharge. According to a report by Mordor Intelligence, the global pH sensor market is expected to reach USD 1.3 billion by 2025.
In summary, analog sensors are used in a wide range of industries for various applications. They can provide real-time data on physical parameters such as temperature, pressure, acceleration, and pH, enabling industries to optimize their operations and improve product quality. The global market size for analog sensors varies depending on the type of sensor and the industry, but they are all expected to experience growth in the coming years.