PA-40 Series  is a panel type area flow meter specially manufactured to be suitable for measuring very small flow rates. It is possible to directly install on the piping line of common plants and this is also widely used for data measurement in research rooms or laboratories.

This is suitable for measurement of both liquids and gases, simple in structure, apparently compact in design to well match with various devices and facilities. Also, this product is widely used at general industrial sites because it can be easily installed and repaired and it can be manufactured with alarm switch added as option.

The connection has pipe thread and when attached onto the panel, external thread of the connection is used.​