... permanently mounted flow meters of all types. Features of the portable ultrasonic digital flow meter(HVAC): 1.Advanced DSP and MultiPulseTM ... heat flow rate, total heat flow display.Applications of the portable (HVAC) ultrasonic flow meter:1.Water, including hot water, ... oil, etc.4.Chemicals, including alcohol, acids, etc.5.Solvents6.Beverage and food processors7.HVAC hot and cool water, water /glycol ...