Thermal shock test chamber used to test the extent of the structure of materials or composite materials in an instant extremely high temperature and low temperature in a continuous environment in order to test chemical changes or physical damage in the shortest possible time caused by thermal expansion and contraction. Main parameters: Test method Pneumatic operated door switch 3 chambers Inner dimension (w*d*h) 500*450*450mm External dimension (w*d*h) 1380*1370*1980mm Temperature range -40 ~ +80 High temperature chamber pre-heating range 60 ~ 100 Heating speed +60+100 about 10 minutes Low temperature chamber pre-cooling range -65 ~ 0 Cooling speed Ambient -65 about 65 minutes Temperature deviation ±3 Thermal recovery time Within 5 minutes External material Antirust processing cold-rolled steel sheet Internal material Sus#304 stainless steel Thermal insulation material Polyurethane foam and fiberglass Coolant R404a / r23 Cooling method Air cooling Pressure 0.2 - 0.5mpa Power supply Three phase, 380v, 50hz Features: 1.Perfect appearance and easy to operate. 2.Japan lcd english microcomputer temperature controller, with high memory capacity, can save 100 programs, max 9999 cycles, each cycle max time 999hrs. 3.Three chamber structures, high temperature chamber, low temperature chamber and test chamber, control automatically, stay and switch time adjustable. 4.Perfect protection alarm functions: short-circuits, leakage, over temperature of work chamber; compressor over pressure, over load, short water?¦ 5.Control interface will display alarm reason and provide check methods, machine has emergency stop button. 6.Cold and hot shock temperature recover within 5 minutes, which complies with mtl, iec, jis, gjb and other international standards. 7.With rs-232c communication port for connecting pc to control, record and save test report.