Description : Three-zone thermal shock test chamber MTWC-3C 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 (-65 °C to 150 °C ) used in the industrial sector to test for environmental adaptability.

Specifications :

Chamber capacity	252 L
Low temperature chamber range	( -80 °C to -10 °C )
High temperature chamber range	60 °C to 200 °C
Test chamber temperature range	( -65 °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 -80 °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 ( SUS304 ）
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	700 x 600 x 600 mm
Exterior dimensions	1750 x 2000 x 1930 mm
Weight	18 kg

Features : 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 )

Applications: Used in research, pharmaceutical and chemical industries for stress screening to assess products for their environmental adaptability and to test for product flaws