The H481 is designed for panel mounting.
Before touching the buttons, it is vital to understand what the Caho H481 is and is not. The "H481" typically refers to a 1/16 DIN size (48mm x 48mm) PID temperature controller. It features a dual-display (red for Process Value/PV and green for Set Point/SP), an output relay, and often an alarm function. caho h481 temperature controller manual