- Thermo Scientific CryoMed 7454 1.7 cu. ft. 120V CRF Controlled-Rate Freezer
- Serial Cable
- Power Cable
- 90-Day Warranty
After its initial disinfection and inspection, our technicians tested the Thermo Scientific CryoMed 7454 controlled-rate freezer with the following results:
- Powers on and initializes: PASSED
- Control panel and buttons: PASSED
- Temperature accuracy: PASSED
- Solenoids engage: PASSED
- Fan spins: PASSED
Notice: This freezer has some cosmetic blemishes. Please review the available photos to see the physical condition before purchasing.
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Manufacturer
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Thermo Fisher Scientific
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Type
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Controlled-rate freezer
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Product line
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CryoMed
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Model
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7454
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Serial No.
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300303169
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Mfg. date
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20190801
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Capacity
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1.7 cu. ft. (48L)
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Chamber temperature range
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+50°C to -180°C
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Chamber freezing rate
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Minimum 0.1°C/min
Maximum 99.9°C/min over operating temperature range
Note: Rates vary based on load, LN2 pressure, unit size, and voltage.
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Chamber warming rate
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Minimum of 0.1°C/min (no load, T-couple in free air, center of chamber)
Maximum of 12.0°C/min (same conditions as above)
Average of 9.0°C/min (same conditions as above, range -40°C to -12°C)
Note: Rates vary based on load, LN2 pressure, unit size, and voltage.
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Automatic restart
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The microprocessor retains all programming in non-volatile memory. In the event of a power outage, the unit restarts automatically once power is restored.
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Construction
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Interior ..... Stainless steel with removable ductwork for ease of cleaning
Exterior ..... Stainless steel with powder coated finish
Insulation ... Foamed in place polyurethane door and cabinet
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Air flow
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Horizontal from right to left, as viewed from the front
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Sound level
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Unit in operation does not exceed 65 dBA
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Operational features
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Door interlock switch turns off LN2, heater and fan motor, except during the warm-up cycle.
During the warm-up cycle, the door can be opened with heater and fan running (up to 0°C) to accelerate warming.
LN2 pressure relief valve located adjacent to LN2 connection.
Chamber pressure vent port located on left side-wall.
Heater overtemperature protection: At a temperature level of 93°C, an independent manual reset device interrupts power to the heating element.
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External connections
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Power entry
PC interface port
LN2 connection ½” flare
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Plug type
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NEMA 5-15P
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Power rating
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120V, 60Hz, 12A, 1Ph
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Interior dimensions (W x D x H)
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19 x 13 x 12 in
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Exterior dimensions (W x D x H)
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41.2 x 20.5 x 21 in
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Weight
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180 lb (81.6 kg)
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