1. Determine the type according to the measurement object and measurement environment
According to the safety beam sensor company, the following issues need to be considered according to the characteristics of the measured and the use conditions of the sensor before selection: the size of the range; the requirements of the measured position on the volume of the sensor; the measurement method is contact or non-contact; signal extraction method , wired or non-contact measurement; the source of the sensor, domestic or imported, whether the price is affordable, or self-developed.
Safety beam sensor company believes that after considering the above issues, it is possible to determine which type of sensor to choose, and then consider the specific performance indicators of the sensor.
2, according to the choice of sensitivity
Safety beam sensor company say the sensor's sensitivity is directional. When the measurand is a single vector, and its directivity is required to be high, the sensor with smaller sensitivity in other directions should be selected; if the measurand is a multi-dimensional vector, the smaller the cross-sensitivity of the sensor, the better.

3. Determine the frequency response characteristics
The frequency response characteristic of the sensor determines the frequency range to be measured and must remain undistorted within the allowable frequency range. The safety beam sensor company reminds that in fact, there is always a certain delay in the response of the sensor, and it is hoped that the shorter the delay time, the better. The higher the frequency response of the sensor, the wider the measurable signal frequency range.
4. According to the linear range of the sensor
The wider the linear range of the sensor, the larger its range, and can guarantee a certain measurement accuracy. The safety beam sensor company said that when the type of sensor is determined, it first depends on whether its range meets the requirements.
5. According to the stability of the sensor
The Safety Beam Sensor Company says that the ability of a sensor to maintain its performance over a period of time is called stability. To make the sensor have good stability, the sensor must have strong environmental adaptability.
6. The accuracy of the sensor
The higher the accuracy of the sensor, the more expensive it is. The safety beam sensor company suggests that the accuracy of the sensor only needs to meet the accuracy requirements of the entire measurement system, and it does not need to be selected too high.