Type of Level Sensor for High Temperature Solids
To measure bulk solids at high temperatures of up to +500 degree Celsius, an empty adjustment is of utmost necessity. However, the selection process of a sensor for high temperature solids is a bit complex. It is because the sensor should possess high flexibility through the probe. Moreover, it should have a long lifetime along with low maintenance requirement. While opting for a level sensor for a solid substance, it should come with a protection rating. So let’s assess the types of level sensor for solids.
Optical level sensors for solids
One of the main advantages of using these types of level switches is that they are compact. Optical level sensors for high temperature solids are typically used in leak detection. Moreover, they can also be used for tank level measurement. The mechanism of optical level sensors is quite lucid and easy to comprehend. The sensor comprises of an LED and a photo-transistor. As it is a solid-state device, this sensor is an apt choice for an array of point level sensing applications.
Ultrasonic sensors for solids
It is that kind of a level sensor for solids which is not affected by media properties. One of the primary applications of this sensor is with viscous and bulk solids. These sensors are also used in those systems which require remote-based assessment. They usually function by calculating the time-period and strength of the high-frequency sound waves. As they operate on the notion of ultrasonic waves, the way they are mounted is quite important.
Flat switch sensors
Float switch sensors for solid substances are relatively inexpensive. This is the reason they are most commonly used in small-sized industrial plants. Though they are primarily used for tank level applications, one can also use them for solid point measurement. It is one of those sensors which have a simplistic design. This type of sensor comes with both horizontal and vertical mounting options. This type of sensor also comes with a magnet for secure housing.
Microwave sensors for solids
This level sensor for solids is renders accurate results and is fairly easy to operate. It is because there is no use of any calibration in this type of sensor. One of the highlighting traits of using this sensor is that you can use it in a varying temperature environment. This sensor depends heavily on the di-electric nature of the solids.
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