What is a static tap used for in a duct system?

A static tap is specifically designed to measure static pressure within a duct system. Static pressure is the pressure exerted by the air in the duct when it is not in motion, which provides critical information about the air distribution system's performance. By measuring static pressure, technicians can assess whether the system is operating efficiently, determine if there are blockages or restrictions, and make necessary adjustments to ensure optimal airflow.

In contrast, a static tap is not used for measuring flow rate, as that requires different types of devices such as an anemometer or flow hood. It also does not monitor temperature, which is typically done using thermocouples or thermistors. While static taps can help diagnose system issues indirectly, they are not designed specifically to detect leaks. Detecting leaks typically involves different methods such as visual inspection, smoke or pressure testing. Overall, the function of a static tap to measure static pressure is vital for ensuring the duct system operates effectively and efficiently.