Rapid, precise and energy-saving temperature changes in the range from -42 ºC to +190 ºC, along with fast humidity recovery times, make the TTC temperature test chamber and the CTC climatic test chamber with humidity unit a perfect duo for controlled material testing, function tests, ageing tests or climate tests on composites, concrete, plastics or electronic components in material technology, the automotive and aerospace industries, and electronics. Temperature range -42 °C to +190 °C Compact size (256 l) State-of-the-art control technology based on the Perfect performance class Electronically controlled active humidification and dehumidification from 10% to 98% rh Specifically suited for tests in accordance with DIN EN 60068-2-1, 2-2, 2-3 and 2-30 High-tech insulation system for permanent insulation capacity and energy efficiency Average temperature change speed in heating operation: 10 K/min (-40°C to +180°C) Average temperature change speed in cooling operation from +190°C to 0°C: 5 K/min Average temperature change speed in cooling operation according to IEC 60068-3-5 (from +180°C to -40°C): 4 K/min Chlorine-free, ozone-neutral refrigerant R 404 A