The UEi EM201B Dual Input Differential Manometer is a versatile HVAC test instrument designed for accurate measurement of air pressure in heating, ventilation, and air conditioning systems. With a dual input design, this manometer allows for differential pressure readings between two points in the system. The UEi brand ensures reliability and quality in this essential tool for maintaining and troubleshooting HVAC systems. Ideal for professionals in the industry, this manometer provides precise results for efficient system analysis and diagnosis. Ta