The IPT test tank for internal pressure creep testing is characterised by state-of-the-art technology, maximum safety and optimised heating power with very low energy consumption. We recommend the use of the optionally available cooling unit for constant operation of the test tank at a test temperature of 20°C. In the event of operation without an optional cooling unit, cooling is carried out by means of a regulated supply of fresh water. The minimum test temperature that can be reached is therefore dependent on the ambient temperature and the temperature of the added fresh water.