HQ980 series thermal mass flow meter are introduce into America tech and research our Patent ( patent No.: 98224228.X) . and get the certification of explosion-proof ( No.: GYB98463) . Our product also pass country standard ( JJG879-95) . HQ980 flow meter direct mass flow measurement without the need for pressure or temperature correction and it become the most popular flow meter from all over the world

type

HQ981in-line thermal mass flow

HQ983 insertion

medium

gas except for acetylene

accuracy

± 0.5% , ± 1%

application

Iron, steel, chemicals, petroleum, metallurgy, paper, food, urban drainage and other industries

diameter

D6mm— 300mm

D40mm— 6000mm

flow velocity

0.0001— 60m/ s

range of pressure