Three-zone thermal shock test chamber MTWC-2B is equipped with a hot, cold and a central ambient temperature zone. The hot and cold air is sequentially directed into the ambient zone to provide the thermal shock. It provides a thermal shock range from ( -55 °C to 150 °C ) used in the industrial sector to test for environmental adaptability.
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Chamber capacity
101 L
Low temperature chamber range
( -70 °C to -10 °C )
High temperature chamber range
60 °C to 200 °C
Test chamber temperature range
( -55 °C to 150 °C )
Low temperature exposure time
30 mins
High temperature exposure time
30 mins
Recovery time
5 mins
Ambient temperature
5 °C to 35 °C
Pre-cooling time ( within 60 min )
20 °C to -70 °C
Pre-heating time ( within 20 min )
60 °C to 200 °C
Temperature accuracy
0.1 % of F.S ± 1 digit
Temperature input
pt-100 V DCV
Humidity accuracy
0.1 % of F.S ± 1 digit
Humidity input
pt-100 V or 5 V DCV
Refrigeration system
Water cooled
Refrigeration stage
Cascade stage refrigeration system
Refrigerant
CFC-free refrigerant
Compressor
Semi-hermetic compressor
Screen panel controller
7-inch LCD touch screen
Operation mode controller
Program or setting
Memory capacity
120 programs
1200 steps
All repeat 999 cycles
Part repeat 99 cycles
Interior material
Stainless steel plate ( SUS 304 ）
Exterior material
Baked painting steel or stainless steel ( SUS304 )
Insulation material
Rigid polyurethane foam and Glass fiber wool
Power supply
AC 380 V ± 10 % 50 Hz
Interior dimensions
500 x 450 x 450 mm
Exterior dimensions
1540 x 1840 x 1700 mm
Weight
10 kg
Individually controlled zones ( hot, ambient and cold temperature zones )
Unique cool and heat storage
Automatic defrosting technology
Heat exchanger
PC and touch screen controller connection ( software implementation )
CFC free refrigerant ( HFC-404 and HFC-23 )
Safety protection measures ( alarm indication )
Display of failure cause and troubleshooting
PC remote monitoring computer ( optional )
Used in research, pharmaceutical and chemical industries for stress screening to assess products for their environmental adaptability and to test for product flaws
