Manufacturer
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Stirling Ultracold
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Model
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ULT25NEU
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Serial No.
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21051-11813
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Mfg. date
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2021
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Application
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Storage of general (non-flammable) laboratory materials
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Storage volume
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0.9 cu. ft. (25 liters)
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Storage capacity
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18 standard 2” boxes
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Temperature range
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-20°C to -86°C @ 32°C (90°F) ambient, uniformity +/- 3°C at -80°C top to bottom, adjustable in 1°C increments Default temperature setting is -80°C Preset options are -86°C, -40°C and -20°C
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Steady state energy use at 25°C ambient
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2.8 kWh/day (average power 118 watts) at -80°C (empty cabinet)
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Pull-down from 25°C ambient
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4 hours to -80°C (empty cabinet)
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Recovery from 1 minute lid opening
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20 minutes to -80°C (empty cabinet)
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Warm-up profile
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30 minutes to -60°C (empty cabinet) 70 minutes to -40°C (empty cabinet)
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Heat dissipation
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403 BTU/h (load to HVAC) (empty cabinet)
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Refrigerant
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0.35 to 0.42oz (10 to 12g) ethane
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Refrigerant pressure
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682psi (47bar) at 89.6°F (32°C) abs. 10.2psi (0.7bar) at -112°F (-80°C) abs.
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Cooling engine
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Helium charged free-piston Stirling engine with continuous modulation
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Noise
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Advanced noise abatement, <45 dB(A) at 1 meter
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Indoor/outdoor use
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Indoor use only
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Environmental conditions
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Non-corrosive, non-flammable, non-explosive, indoor use, altitude up to 2,000m, temperature 5°C to 40°C (41°F to 104°F), maximum relative humidity 80% for temperature up to 31°C decreasing linearly to 50% at 40°C
|
Security
|
Lockable lid
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Defrost method
|
Manual
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Input voltage
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100-240VAC, 50/60Hz, or 12V DC from mobile source
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Maximum current
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4A at 120VAC, 2A at 240VAC, 15A at 12VDC
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Maximum power input
|
280W
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Insulation
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High performance vacuum insulated panels and polyurethane foam
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Gasket heater
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Continuous operation when the power cord is connected
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Interior dimensions (W x D x H)
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8.7 x 13.1 x 13.4 in (22.1 x 33.2 x 34 cm)
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Exterior dimensions (W x D x H)
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13.8 x 27.3 x 18.1 in (35 x 69.25 x 46 cm)
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Weight (Net)
|
46 lb (21 kg)
|