HWTA4 adopts high precision sensor for temperature measurement. The signal is processed by the rear processing circuit and converted into standard industrial electrical signal output and display. Blank metal shell design, the use of highlighted LED digital display, so that the series of products can be used for a variety of industrial occasions. The three-button design and menu make the product easier to use. A variety of connection modes can fully meet the specific installation requirements. The 330° rotating display head ensures optimal viewing angles for different mounting modes.