Process Control Devices designs and produces thermal mass flow meters suitable for use in gas measuring applications in India. Features of this mass flow meter include direct mass flow measurement, low pressure drop and a turn down ratio of 100:1. Available in inline and insertion types, this meter can measure gases such as compressed air, nitrogen, oxygen, natural gas, LPG, biogas an... https://www.pcd-flowmeter.com/flow-meter/thermal-mass-flow-meter-manufacturer