| MODEL | GLTS-120-40-SP-SD | GLTS-150-40-SP-SD | GLTS-408-40-SP-SD | GLTS-800-40-SP-SD | 
        
            | Internal Dim. WxHxD(cm)
 | 40x60x50 | 50x60x50 | 60x85x80 | 100x100x80 | 
        
            | External Dim. WxHxD(cm)
 | 85x150x105 | 95x150x105 | 105x175x135 | 145x190x135 | 
        
            | Temp. Range | -40° C ~ + 0° C / -40° C ~ +100° C (Option) | 
        
            |  | Temp. & Constancy | +(-)0.3° C | 
        
            | Temp. & Uniformity | ±0.5° C | ±0.1° C | 
        
            | Indication Resolution | 0.01°C | 
        
            | Pull-down Time(min.) (20°C to - 40° C)
 | Within 70 min | Within 70 min | Within 90 min | Within 100 min | 
        
            |  | Exterior | Stainless steel SUS#430 Plate+Powder coated | 
        
            | Interior | SUS#304 Stainless steel Plate | 
        
            | Insulation | PU&Fiberglass wool | 
        
            |  | Circulation | Siroco fan | 
        
            | Heating | SUS#304 Stainless steel high-speed heater | 
        
            | Cooling | Airtight compressor+pipe coil cooler+air-cooling condenser | 
        
            | Controller | LCD-9531 Programmable Control System | 
        
            | Other Components | *Experiment separation shelives (freely adjustable 2pcs) *Recorder(Option)
 *Cable port(60mm)
 | 
        
            | Safety Devices | Overheating prevention circuit-breaker,compressor overload protection,control system overload protection,Vacuum Glass Viewing Window ; Chamber Lamp | 
        
            | Condition in Operating | Continuous Running 2000Hrs | 
        
            | Power Source[K.W.] | AC 1Ø 220V ; 3Ø 220V/380V 50HZ/60HZ | 3Ø 220V/380V 50HZ/60HZ
 | 
        
            | MAX.5KW | MAX.5KW | MAX.6KW | MAX.8KW | 
        
            | Remark | Door of chamber can not be opened over 20 times during test, and/or 15 seconds per time |