NSBF231WSW-0 Ext Image NSBF231WSW-0 Int Image
NSBF231WSW-0 Ext Image
NSBF231WSW-0 Int Image

23 cu. ft. Plasma Freezer, High Performance, FDA listed Class II medical device

Product Number: NSBF231WSW/0

AABB-SCPP-Seal-ColorNLS Natural Refrigerant Labelcapture (1) 

Corepoint™ Scientific Plasma Freezers are designed in accordance with FDA listed Class II medical devices.  In addition, plasma freezers also  conform to the requirements set forth by AABB for the refrigerated cold storage of blood-based products. 

Backed by optimal temperature control and EPA SNAP compliant refrigerants, these high-performance units protect blood, prevent waste, and allow for peak delivery. Corepoint™ Scientific Plasma freezers utilize smart controllers and feature a full array of alarms, LED interior lighting, stainless steel interiors, sliding drawers and probe access port.

  • Single solid door plasma freezer
  • Indoor use only, +18°C to +26°C (+65°F to +78°F), <70% RH
  • 23 cu. ft. gross volume, up to 480 plasma boxes with optional 8th drawer
  • One swing solid door, self-closing, stay position at 100° open, right hinged, non-reversible, magnetic sealed gasket, keyed lock
  • 7 drawers standard with option for 8th, 304 SS drawers, 65 lb. capacity each
  • 4 swivel casters, front casters locking
  • Shielded, switched LED lighting, full coverage, balanced spectrum
  • External probe access: Rear wall port (3/4") dia.
  • Cabinet is foamed-in-place with EPA compliant high density urethane foam
  • Exterior: White powder coated steel
  • Refrigerant: EPA SNAP compliant, R290
  • Defrost: Cycle optimized, automatic
  • Access control: Key lock
  • Two (2) years parts and labor warranty, excluding calibrations
  • Seven (7) years compressor warranty
  • Power plug: Hospital grade, NEMA 5-15, 9 ft nominal (2.7 m)
  • Agency listing: FDA listed Class II medical device, 21CFR part 820 compliant, ETL, CETL Listed (certified to UL471 standard, hydrocarbon refrigerant safety)
  • Product approved as AABB standards compliant for frozen blood products cold storage. See listing at aabb.org/standards-compliant.


Exterior dimensions:

  • Width: 26 7/8”
  • Depth: 36 3/8”
  • Height: 81 ½”
  • Door swing: 24 7/8”
  • Product weight: 355 lbs. (7 drawers)
  • Shipping weight: 414 lbs. (7 drawers)
  • Rated amperage: 7 Amps


  • Controller technology: Proportional Integral Derivative (PID) microprocessor with LCD display
  • Battery backup: 24V high capacity battery, controller, all alarms active, temperature monitoring DAQ and event logging active on battery backup
  • Digital communication: RS-485 (MODBUS)
  • Temperature setpoint range: -15°C to -35°C
  • Display probe: Calibrated, stainless steel
  • External alarm connection: State switching remote alarm contacts
  • Alarms: Visual and audible indicators, Power failure, Temperature sensor failure, Battery voltage monitor and replacement, High / Low temperature, Door ajar
  • Simulator ballast: Upper probe: 4 oz. (120 ml) bottle, 50% glycerol mixture. Lower probe: Solid thermal media