When we use the 4*4*1.5 waterproof patch to touch the switch lightly, we should pay attention to the selection. What aspects should we choose? Here is a detailed introduction.
Select 4*4*1.5 waterproof patch to touch the switch to see the appearance. Good quality products not only have a very smooth surface, but also shine in the sun. Especially now, a copper patch touch button switch in the market uses infrared, red, green and blue light, and even can quickly control various solids, liquids, Transparents and blackbody materials without contact. The state and action of the device; if the contact light touch button switch is selected, the high quality product also needs to have the characteristics of fast response, high precision and easy damage of the contact detection unit.
Select the touch button switch to see the feel. In the market, many high-quality light-touch button switches are made of bullet-proof glue and other advanced materials. They not only have good moisture resistance, fire resistance and impact resistance, but also have smooth surface. Often, when people choose to buy, they feel good and can be judged to be of good quality. On the contrary, if the surface is not smooth, they even feel good when they touch it with their hands. The feeling of brittleness and thinness is that the quality is not good enough to be trusted.
Of course, in addition to these, good touch button switch socket panel in the purchase also need to pay attention not to scratches, bubbles and stains, especially the button feel of the switch needs to be light and not tight; this product keys are also divided into single-pole two-bit switch or bipolar two-bit switch, the main purpose is to switch on and off the control circuit of low-voltage switchgear.