The Q heat 5.5 US M-Bus / Impuls-IN heat & cool meter is the solution for precise and reliable ultrasonic metering technology. With its integrated M-Bus interface and two impulse inputs, the ultrasonic heat meter has a dynamic range of up to 1:250 and accurately measures even the smallest flow rates. Thanks to its low overall height and a removable calculator unit, it offers maximum flexibility in all installation situations – even overhead mounting is possible without any difficulty.