An indispensable test kit for the plant engineer, and HVAC technician that must balance system air flows at start up.

It utilizes the transit-time difference for measuring flow rates in pipes non-invasively. Units offer flow rate local display with analog and pulsed outputs.

It features the 490A Hydronic Differential Pressure Manometer and all the necessary attachments and accessories to meet all your balancing, measuring, and pressure needs.

It combines all essential air, water, temperature, humidity, and electrical test instruments are included in this kit, creating the ultimate air and water balancing solution.

Its ideal for testing LP and natural gas lines and controls. The kit gage shows if proper pressure is present or if a leak exists.