The PYK103 smart digital pressure switch is an intelligent digital pressure measurement and control product that integrates pressure measurement, display, output, and control. Stainless steel joint, diffused Silicon pressure core body, whole digital circuit board, display intuitive, simple operation, safe and reliable, switch point set on site. It is widely used in hydropower, tap water, petroleum, chemical, mechanical, hydraulic and other industries to measure and control the pressure of fluid media.