Embedded temperature sensors is expected to play a major role in industrial automation systems and supply chain management area

 

Embedded Temperature Sensor

The embedded temperature sensor converts the fluctuating temperature into a PTAT signal, which is later converted into a clock frequency. Due to this property, the embedded temperature sensor provides temperature control, even in situations where temperature variations are large. It can also be used as a humidity sensor by monitoring changes in the humidity in a closed environment.

Passive infrared thermometers are becoming increasingly popular because they can detect small temperature changes and thereby offer a compact, lightweight device. With the popularity of PTTI (passive temperature transmitter i.e. PTTI wafers) growing, more temperature sensors for RFID have been developed and are now being used in applications that had previously been limited to passive infrared thermometers. The embedded temperature sensor can be readily mounted in a wide range of machines including, desktop, handheld, pedestal, rack, and grid/ratchet machines, to name a few. The passive RFID tag can efficiently and reliably monitor and measure a wide range of temperatures from low temperatures to extreme temperatures.

When integrating a temperature sensor into a system, it is important that the measurement device is powered off when not in use, so as not to draw extra power. This means that most such devices will need to be protected from moisture or liquid spills, and also from accidental shock. A passive thermal transmitter is normally incorporated within a device and powered by a low-cost power source. Digital output and analog input may be required, depending on the specific application. Some digital output protocols such as I2C and MOSFETs can measure temperature changes more efficiently than traditional PTTI.

An embedded Temperature Sensor can be used as a remote thermal control device for heating and cooling applications. In addition, it can be used to detect a change in a process's performance and can be used to monitor machine load.


Location: India

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