the hvac clean room instruments are made by us for use in various industrial and commercial applications. they are made available by us in various sizes, types and designs and have different specifications. they are easy to install and use. they are very accurate and have a high use in number of systems. the hvac clean room instruments are highly attractive and are very effective and efficient. the high end instruments are made available by us in various types like the differential pressure gauge transmitter, humidity rh temperature controller transmitter and many more.