Model | TST-400 | TST-500 | TST-600 |
Test chamber dimensions | 400×300×300 | 500×400×400 | 600×500×500 |
Chamber dimensions | 1450×1650×1950 | 1550×1850×2050 | 1650×2100×2150 |
Test Method | Statonary Specimen, cooling/heating changeover 2-zone system by means of damper sitching |
Temp. setting system | Fixed value & program setting |
Low temp. chamber | Temp. range | -55℃ ~ -20℃ |
Lower precool linit | -70℃ ~ -30℃ |
Temp. constancy | ±2℃ |
Temp. pull-down rate | RT ~ -70℃ within 60min |
High temp. chamber | Temp. range | 60℃ ~ 150℃ |
Upper preheat limit | 70℃ ~ 200℃ |
Temp. constancy | ±2℃ |
Temp. heat-up rate | RT ~ 200℃ within 20min |
Temp. recovery time | Within 5min |
Interier material | STS 304 Polishing plate |
Exterier material | Cold rolled steel plate with baked coating finish |
Insulation | Rigid polyurethane form & glass wool |
Air circulator | Sirocco fan |
Heter | STS pipe fin heater |
Cooler | Multi-stage plate fin cooler |
Freezer condenser | Air-cooled type or Water-cooled type |
Refrigeration system | Cascade doule stage compressor refrigeration |
Refrigerant | HFC404-HFC-23 |
Air pressure | 4kgt/㎠ |
Air consumption rate | Approx.7N liters per cycle |
Cooling water supply | 20ℓ/min(20℃) | 60ℓ/min(20℃) | 80ℓ/min(20℃) |
Cooling water pressure | 2kgt/㎠ |
Power source | AC220V. 380V 3P 50/60Hz |
Total load current(A) (approx) | 40 | 65 | 80 |
Product weight(kg) (approx) | 700 | 900 | 1200 |
Safety devices | Leakage breaker, Chamber temperature overheat protector |
Refrigerator high-low pressure s/w, Refrigerator thermal relay |
Motor overload relay, Refrigerator relief valve, fuse |
Recorder | Programmable 1 pen type : -10℃ ~ -200℃ |