National Lab GmbH
Refrigerators and Freezers
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Path :  Laboratory Refrigerators / FrostBox FB20
  ⇑ Overview: Laboratory Refrigerators  

Laboratory Upright Freezer FrostBox

  • Static cooling and manual defrost
  • Low-noise fully hermetic compressor, air-cooled and low-maintenance
  • Operating panel with electronic control and digital display (LED)
  • Can be stacked (maximum of 3 units)
  • External housing made of stainless steel (CNS)
  • Door with multi-pane glass
  • Door lockable, door hinges on left
  • Interior made of stainless steel (CNS) without mounted equipment,
    making it especially hygienic and easy to clean
Fig.r.: FrostBox FB20 with multi-pane glass
Model FrostBox   FB20
Temperature range 1) °C : +10/-20
Content litres (gross) : 30
Ext. dimensions (W×D×H) mm : 534 × 670 × 440
Int. dimensions (W×D×H) mm : 360 × 350 × 230
Depth with door opened mm : 1140
Weight kg : 42
Mains connection  : 1/N/PE~230 V 50 Hz
Refrigerant CFC- and HCFC-free   : R134a
1) Other temperature ranges available on request.


FrostBox + Accessories Cat. No.
FrostBox FB20 GSFB20
ProfiTec temperature monitoring and recording system GPTEC4A
ProfiCaller telephone dialler on request
Pt100 temperature sensor, add. installed for ext. temperature recording ZPM2-023-2L
forced air circulation on request
solid door instead of multi-pane glass on request
door hinges factory-mounted on right ZFB5-001
duct to storage compartment 19 mm in diameter ZPM1-002-20
storage set (see below) ZFB3-090
stainless steel insert with drawers (see below) see table
MIN/MAX thermometer to be placed in refrigerators or freezers, ZXX2-019-001
measuring range -50/+50 °C, no additional temperature sensor required  
MIN/MAX digital thermometer, hand-held unit with digital display as well as ZXX2-019-011
data-hold and relative measuring function, measuring range -200/+1370 °C  
(An additional temperature sensor is required, eg. cat. no. ZXX2-022-100.)  
temperature sensor for MIN/MAX thermometer ZXX2-019-011, ZXX2-022-100
measuring range -100/+1000 °C, length 2 m, other ranges on request  
 Temperature Monitoring
intelligent temperature monitoring and recording system
• For up to 4 refrigerators
   and/or freezers
• Readings are stored over
   a period up to 781 days
• Warning for excess and
   insufficient temperature
• Includes no-volt remote
   alarm contact
• The measuring protocol
   can be fed to PC via
   RS-232 port

Download Data sheet


 Storage System Alternatives
Stainless steel horizontal racks
Stainless steel insert with
Cat. No.
  3  69.0ZFB3-003
  4  51.0ZFB3-004
  5  40.0ZFB3-005
  6  33.0ZFB3-006
  7  27.5ZFB3-007
  8  24.0ZFB3-008
  9  20.5ZFB3-009
10  18.0ZFB3-010
Height = effective internal height of each drawer


  ⇑ Overview: Laboratory Refrigerators  
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