46 Cu. Ft. Black Diamond Series Stainless Steel Glass Door Refrigerator

Product Number: NSBDR492SSG/0

cert_culNLS Natural Refrigerant Label  

The Black Diamond Series refrigerators from Nor-Lake Scientific are purpose built with both scientific and medical applications in mind. The Black Diamond Series is Nor-Lake Scientific's flagship line, utilizing the latest technology including an intuitive touch screen display, built-in digital data logging, high performance refrigeration system with hyper-recovery mode, and sustainable design with natural refrigerants.

The products are proudly made in the USA, UL Listed, and have a full 3-year comprehensive warranty. 

Nor-Lake Scientific is Going Green!  We are an industry leader in providing a variety of Refrigerators and Freezers that are built with Hydrocarbon Refrigerants, R290 or R600a.

Environmentally friendly, natural hydrocarbon (HC) refrigerants (not containing hydrofluorocarbons) vastly reduce global-warming potential (GWP) while meeting new EPA/SNAP mandates and UL, ASHRAE compliance guidelines.


  • 46 Cu. Ft. capacity
  • Two swing Stainless Steel glass doors, self-closing, right hinged, not reversible
  • Made in USA
  • High performance refrigeration system
  • Heavy duty construction
  • Digitally commutated fans
  • Dual location NIST compliant temperature sample probes
  • Dual temperature sample display
  • Premium internal LED lighting with custom color selection
  • External LED flashing visual alarm
  • Data logging (temperature history)
  • USB exportable data download
  • Extreme environment operation
  • Hyper-recovery operation
  • Probe access port (1”)
  • 10 shelves
  • Optional smart ThermalView™ security glass on door
  • Hydrocarbon, natural refrigerant (R290)
  • Premium locking system
  • Internal plenum air distribution
  • Low profile commercial grade casters
  • Standard temperature test validation
  • Single point HI and LO temperature history
  • Temperature calibration (offset)
  • Audible alarm
  • Remote alarm contacts
  • Power failure alarm
  • Sensor error alarm
  • Low battery alarm
  • Audible alarm ring back
  • Door alarm
  • Manual alarm for test validation
  • Easily cleaned smooth interior
  • 3 Year parts and labor warranty, plus an additional 2 year compressor parts warranty
  • Owner's Manual

  • Exterior dimensions:
    Width: 52 3/4"  
    Depth: 35 1/4”
    Height: 80 1/2”
  • Refrigerant: R290
  • Defrost: Cycle
  • 115V, 60 Hz, 5.9 Amps, ½ HP
  • UL/C-UL listed
  • Energy Star Certified
  • Shipping weight: 710 lbs.
  • Independent digital microprocessor temperature controller
  • Adjustable operating temperature range: 1°C to 10°C
  • Touchscreen display with intuitive interface:
  • Password protected settings and data
  • Display includes active state verification
  • °C/°F readout switch
  • Temperature chart (24 hours) - based on dual probe temperature readings
  • Visual temperature scale bar - based on dual probe temperature readings
  • Decimal temperature readout
  • Battery backup for temperature display and logging
  • Time zone specific clock display
  • Tech support info