1. Selection of reliability
The potential of a sensor to persist in its properties over a period of time is called reliability. In addition to its own structure, the key factor affecting the long-term reliability of the controller is the use of harsh environments.
Harsh Environments Symmetrical Heavy Duty Sensors Can Lead to Hazards:
The main findings are as follows:
1. The high-temperature environment causes the coating material to melt, the spot welding is opened, and the thermal stress of the thermoplastic polyurethane changes structurally.
2. Outdoor smoke and wet cooling will damage the switch of the controller.
3. In highly irritating environments such as damp cold, acidity, alkalinity, etc., thermoplastic polyurethane damage or loop opening is caused by the sensor.
The reliability of the sensor is based on enzyme-linked immunosorbent assay (ELISA), which must be calibrated before service life to confirm that the controller's characteristics have changed significantly.
2. Selection of sensitivities
In general, within the linear range of the controller, the higher the desired sensitivity, the higher the sensitivity. Because only when the sensitivity is high, the output signal value matches the measured value, which is conducive to signal analysis. However, when the sensitivity is high, the external noise that is not related to the measurement also increases, and the system becomes larger, thus endangering the accuracy of the measurement. Therefore, it is stipulated that the controller itself should have a high signal-to-noise ratio and avoid electromagnetic interference from external inputs as much as possible. "-。
3. Selection of precision
Accuracy is the key performance parameter of the sensor, and it is a key step related to the measurement accuracy of all measurement systems. The higher the accuracy of the controller, the higher the cost. Therefore, if the accuracy of the controller takes into account the accuracy regulations of all measurement systems, it is necessary to choose too much.
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