ECHO HiVol is a “stand alone” automatic instrument designed to be used outdoor even in severe weather conditions.
The Venturi gas meter used is made according to ISO 5167 standards.
This kind of gas meter gives many advantages compared to other flow measurement systems:
the measures stability in the long term, the capability of being used with all weather conditions, a reduced sensitivity to stain thanks to the gas meter self cleaning profile and the absence
of elements which are sensitive once in contact with inhaled air.The flow measure and regulation in relation to actual condition, make ECHO HiVol a unique instrument.