The Cylinder, Threaded - M18 package already includes it for your convenience. When the operating temperature is -25°C~70°C, proximity sensors will work well. Electronic components with pins 4 are available. If you want proximity sensors to perform at their best, you should set their supply voltage to 24V. -25°C is the lowest operating temperature of the proximity sensors. There can be no higher temperature for the proximity sensors than 70°C. To ensure that the proximity sensors are functioning properly, the rate should be set to 1kHz. To make proximity sensors work properly, the reed switch's internal contacts should be conducting 10mA current.