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Test Chamber for Determining the Stationary Heat Transfer Proper- ties with a Controlled Hotbox in Accordance with DIN EN ISO 8990, DIN EN 1946-4, DIN EN ISO 12567, DIN EN 12412-2, and ASTM C1363; and Combined in Accordance with DIN EN 1934.
The compact test chambers TDW 4140 and TDW 4240 were designed for testing elements and components used in construction, such as windows, profiles, doors and domes (and in the case of TDW 4240, also brick walls). They basically simulate the temperature and the natural convection inside and outside a building. Optionally, the humidity level in the two sections of the chamber can be set as needed. The HotBox software at the measurement and control unit is used to set all parameters as well as for complete data logging, detailed analysis and printing of test reports. There are also other devices, accessories and materials available that allow for sample preparation and conditioning to optimize the testing procedure.
Insulated warm and cold sections with heat exchangers and air deflectors, radial fans, roll chassis on guiding rails and 12-point locking systemHotbox with axial fan, air deflectors, roll chassis and hydraulic cylindersInsulated test frame with roll chassis and openings for sample insertion via forkliftRecirculation cooler with water cooling for temperature control of warm and cold sectionsControl rack unit with measuring and control modules, PC, printer and 23Interfaces: 1 x RS232, 2 x USB, 1x Gigabit Ethernet2 isothermal blocks with 60 measuring points each, 1 set of thermocouples, flow sensors, TDW 4240: 2 heat flow meters with guard platesSingle license for HotBox software4 (TDW 4240: 6) calibration panels with factory calibration certificate1 set stainless steel guide rails for warm and cold sections