... mediums or ambulatory mediums in low, normal or high temperature condition.2,Total quantity measurement accuracy is not less ... 196°(low temperature type)-40°~ +70°(normal temperature),-40°~ +250°(wide temperature type),-40°~ +450°(high temperature),-40—+700°(Extreme temperature type) ... display,it also can show accumulated flow and instant flowinstallation:easy to operate and install,easy maintenanceGood ...