PORTABLE ULTRA-LOW TEMPERATURE FREEZER |
Model : ULT-25N. |
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Spesifikasi Alat : |
1.Application, Rating and Electric Data |
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Application |
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Storage of general (non-flammable) |
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laboratory materials |
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Storage Volume |
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25 liters (0.9 cu.ft.) |
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Storage Capacity |
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18 standard 2" boxes |
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Temp. Range |
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-86°C to -20°C @ 32°C (90°F) ambient, |
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uniformity ± 0.75°C top to bottom, adjustable in 1°C |
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increments Presets for -86°C, -40°C and -20°C |
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Electric Power |
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120V or 240V, AC; 60Hz or 50Hz; |
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or 12V DC from mobile source |
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Max. Power |
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280 watts (3.6 amps @120V, 1.8 amps @240V ) |
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Auto-Voltage C |
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88V to 264V, 50 or 60 Hz |
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Electric Rating |
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15 amp or greater grounded circuit |
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Certification |
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CE |
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Noise |
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Typical of laboratory equipment |
2.Controller: |
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Controller Type |
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Microprocessor controls |
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Security |
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Lockable lid |
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Alarms |
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Setpoint ± 10°C Warm and Cold |
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Control Sensor |
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One RTD (PT100 Class B) |
3.Refrigeration System |
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Cooling Engine |
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Humm™ helium charged free-piston Stirling engine |
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with continuous modulation |
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Heat Transport |
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Gravity driven thermosiphon operates on a cooling |
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medium of 0.4 oz to 0.9 oz (10 to 25 grams) |
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depending on medium used |
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Refrigerant |
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R-508B nonflammable CFC/HCFC-Free |
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Evaporator |
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Cold wall (inner liner) |
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Defrost Method |
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Manual |
4.Performance Data, Empty Cabinet |
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Steady Energy |
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< 2.8 kWh/day at -80°C Setpoint |
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Heat Dissipation |
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403 BTU/h (load to HVAC) at -80°C Setpoint |
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Pull-Down |
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from 25° C Ambient : 2,2 hours |
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Warm-Up -80°C |
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30 minutes to -60°C |
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70 minutes to -40°C |
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130 minutes to -20°C |
5.Dimensions and Construction |
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Interior |
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(L x W x D) 332 x 221 x 340 mm |
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Exterior |
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(L x W x D) 692.5 x 350 x 460 mm |
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Net Weight, |
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Empty 21 kg (46 lbs.), nominal |
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Shipping Weight |
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26.3 kg (58 lbs.), nominal |