Instruments used for recording pressure, temperature and humidity. They can be used for leak testing and acceptance testing in methane pipelines and aqueducts.
– Circular, drum, square, box
– Inert gas or bimetallic temperature recorders
– Bourdon spring pressure recorders
– For recording cyclical processes or controlling department processes for the petrochemical, chemical, food, pharmaceutical and refrigeration industries
– Drum manographers using a paper pen, daily and weekly, mechanical or battery-operated.