What Does A Vibration Temperature Sensor Look Like? How Do I Make A Selection?

What does a vibration temperature sensor look like? How do I make a selection?

A vibration temperature sensor is a type of electrical power that receives mechanical quantities and converts them into proportions. They are sometimes called transducers, pickups, etc. because they are all electromechanical engineering conversion devices. A vibration temperature sensor does not immediately convert an initially measured mechanical quantity into electrical power, but rather uses the initially measured mechanical quantity as an input to the vibration sensor, and then produces another mechanical quantity suitable for conversion, which is converted by the electromechanical engineering into electrical power. Therefore, the performance of the sensor depends on the performance of the mechanical receiving part and the electromechanical engineering conversion part.

The ability of a vibration temperature sensor to operate with its characteristics remaining unchanged after a period of application is called reliability. In addition to the structure of the sensor itself, the key to the long-term reliability of the sensor is the natural environment in which the sensor is applied. Therefore, in order for a sensor to have good reliability, the sensor must be highly adaptable to the natural environment. Before selecting the sensor, the application study of the natural environment is addressed, and the appropriate sensor is selected according to the actual application of the natural environment, or appropriate countermeasures are taken to reduce the hazards of the natural environment.

The reliability of vibration temperature sensors has a quantitative analysis indicator value. Before use, they should be recalibrated to determine whether the characteristics of the sensor have changed.

Accuracy is a key performance parameter of vibration temperature sensors and a critical aspect of the accuracy of all measurement system software measurements. The higher the accuracy of the sensor, the more expensive it is. Therefore, the accuracy of the sensor should not be too high if the accuracy of all measurement system software is taken into account. In this way, we can choose a more cost-effective and simpler sensor from a large number of sensors with the same measurement purpose.

When selecting a vibration temperature sensor, we should pay attention to the following issues:

1. Single-phase current or three-phase current transmitters are generally available in two ways for checking single-phase current or three-phase current.

2. Transmitter machine into the current category - Due to the wide variety of specific load currents, in order to integrate these things, people usually first choose a current transformer to convert the large current into a small current of 1A or 5A. Therefore, the input of the vibration temperature sensor is generally selected based on the secondary current of the current transformer.

3. Auxiliary power supply specification model - AC transmitter accurately detects the change of input current and outputs a DC data signal to convert the input current into a linear conversion. In general, the auxiliary power supply must be the power supply of more transmitters in operation. In general, it must be noted that some transmitters claim to require no auxiliary power supply, i.e. passive current transformers. This type of transmitter should be used with caution.

4. Current transformers are usually subjected to large load currents when the transmitter's input load operating capacity - load current loads or common system software failures occur. In this case, the ability to withstand large load current becomes a key indicator value of the performance of the integrated vibration sensor.

5. AC transmitter reliability - as a measuring instrument, vibration temperature sensor must be accurate, the key performance is stable and reliable. This performance is usually reflected at the beginning of product design. All analog conversion instruments are not protected against temperature drift due to changes in operating temperature. In order to minimize the temperature drift of the commodity, various commodity components and circuits use their own unique technology.

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