Product Features
TWO-zones separation thermal shock chamber design: low, ambient and high temperature 
Cascade refrigeration system with semi-hermetic compressor and CFC free refrigerant
Adopts unique cool storage and heat storage technology and specimen placed still in test zone
Uses world famous core components ensuring high efficient and reliable performance
7 inch TFT true color LCD touch screen is more bigger than other screens, is more intuitive, simpler, bigger, more stable and more energy-efficient than other screens
Modular refrigeration unit to ensure manufacturing quality and convenient replacement and maintenance
Multiple safety protection measures include failure alarm indication and display of failure cause and troubleshooting
Sound sealing performance
Using advanced automatic defrosting technology effectively cuts defrosting time and improves machine's efficiency
Complete hermetic compressor, CFC free refrigerant, plate heat exchanger and cascade ultra-low temperature refrigeration system 
Optional PC remote monitoring computer and software implementation of redundant design can be connected to PC computer and touch screen controller

Standards and Methods 
GB/T11158-2008 Technical Conditions for High Temperature Test Chambers
GB/T 10589-2008 Technical Conditions for Low Temperature Test Chambers
GB/T 2423.1-2001 Low Temperature Test Method
GB/T 2423.2-2001 High Temperature Test Method
GB/T 2423.22-2002 High and Low Temperature Test Method
GJB150.5-86 Thermal Shock Test (2 Zones)
GJB360A-96 Environmental Test: Method 107 Thermal Shock Test (3 Zones)

Specifications of 2 Zones Thermal Shock Chambers
Models		ATST-A Series					ATST-B Series					ATST-D Series
		72A	130A	226A	360A	500A	72B	130B	226B	360B	500B	72D	130D	226D	500D
Interior Dimensions (mm)	W	410	520	610	710	810	410	520	610	710	810	410	520	610	810
	H	560	670	770	830	710	560	670	770	830	710	560	670	770	710
	D	410	520	610	770	860	410	520	610	770	860	410	520	610	860
Basket Dimensions (mm)	W	300	410	510	610	710	300	410	510	610	710	300	410	510	710
	H	300	410	510	730	610	300	410	510	730	610	300	410	510	610
	D	300	410	510	510	730	300	410	510	510	730	300	410	510	730
Test Weight (KG)		5	5	5	5	10	5	5	5	5	5	5	5	5	10
Low Temperature Chamber (℃)		(-55～-10)					(-70～-10)					(-80～-10)
Precooling Time		(+20℃～-55℃, Within 60 min)					(+20℃～-70℃, Within 60 min)					(+20℃～-80℃, Within 60 min)
Test Chamber (℃)		(-40～+150)					(-55～+150)					(-65～-+150)
High Temperature Chamber (℃)		(+60～+200)
Preheating Time		(+60℃～+200℃, Within 25 min)
Recovery Time		Exposure to High Temperature 30 min
		Exposure to Low Temperature 30 min
		Recovery Time within 5 min
Transfer Time		Within 10 seconds
Material	Interior	SUS304 Stainless Steel
	Exterior	Electrostatic Spray Coating Finish Stainless Steel or Stainless Steel (SUS304)
	Insulation	High Density Polyurethame Foam and Glass Wool
Refrigeration System		Water Cooled
		Semi-hermetic Compressor, Cascade Stage Refrigeration System, HFC Free Refrigerant (HFC-404 / HFC-23)
Controller		7-Inch LCD Touch-screen Panel (Chinese or English Language Modes) Operation Modes: Program or Setting Memory Capacity: 120 Programs, 1200 Steps Cycles: all repeat 999 cycles, part repeat 99 cycles Accuracy: temperature 0.1%of F.S±1 digit; humidity: 0.1% of F.S±1 digit Input: temperature pt100; humidity: pt100 5V DCV
Safety Devices (Standard)		No Fuse Breaker Compressor over Pressure/Heat/Current/Temperature Protection Fan Overload Protection Safety Fuse Dry Combustion Protector Water Shortage Protection
Standard Configurations		1 x Cable Port (portΦ50mm) 2 x Shelves
Ambient Temperature (+℃)		5～35
Power Supply		AC 380 V ± 10% 50Hz, 3 Phase 4 Wires + Ground Wire
Remarks: 1. We reserve the right to change specifications without prior notice; 2. Customized sizes and configurations are available.