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OTF5000 Cryostat

The Bright OTF5000 Cryostat is based on the long-established and reliable OTF/AS Cryostat, and incorporates improved user ergonomics, the latest blade systems and the ever-reliable and powerful 5040 microtome. A huge choice of options plus money-saving package deals makes the range of OTF5000 cryostats absolutely unique. They are suitable for an endless range of applications and, in the correct configuration, are capable of cutting a wide diversity of specimens from undecalcified bone to brain, resins, plastics and plant tissue, as well as more usual soft tissue. The OTF 5000 allows full anti-roll plate adjustment for perfect results coupled with flexible temperature control and long lasting temperature stability.

The OTF5000 incorporates a ‘quick freeze’ plate. This quick freeze can accommodate 5 x 22mm diameter object holders and 4 x 37mm object holders in the positions provided. The temperature of the freeze bar is at or below the set chamber temperature (typically 10°C lower than the chamber temperature) and is useful for storage or precooling of knives etc. The OTF5000 Cryostats are available in 3 configurations, and each unit is a step up from the Standard model.

Choose the model you require from the table below and click on the model number, or model image under the table, to see the full product specifications, features and purchasing options.


Cat. No. Description
236-162 OTF5000 Standard cryostat, standard knife block, anti-roll plates (37, 50 & 75mm), standard knife: 110/120V/60Hz
236-163 OTF5000 Standard cryostat with Quick Release Feather™ Blade Holder, anti-roll plates (37 & 50mm) and 10 Feather™ blades instead of standard knife block, standard knife: 110/120V/60Hz
236-164 OTF5000 LS cryostat, as a 236-162 but, with motorized advance rewind (2 speed), cryomatic specimen temp. control and fine object orientation, standard knife block, anti-roll plates (37, 50 & 75mm), standard knife: 110/120V/60Hz
236-165 OTF5000 LS cryostat with Quick Release Feather™ Blade Holder, anti-roll plates (37 & 50mm) and 10 Feather™ blades instead of standard knife block, standard knife: 110/120V/60Hz
236-166 OTF5000 HS cryostat, as a 236-164 but, with section counter, dual refrigeration and motor drive with standard knife block, anti-roll plates (37, 50 & 75mm), standard knife: 110/120V/60Hz
236-167 OTF5000 HS cryostat with Quick Release Feather™ Blade Holder, anti-roll plates (37 & 50mm) and 10 Feather™ blades instead of standard knife block, standard knife: 110/120V/60Hz

(220/240V 50/60Hz units are available upon request. Please ask at time of order.)

Options for OTF5000 Units

Cat. No. Option Ref. Description (FF = Factory fitted) (N/A= Not available)
236-023 /EC Dual refrigeration with auto compressor switch over (-40°C): Optional on Standard, N/A on the LS, and Standard on HS. (FF only)
236-047 /LT Low temp. dual refrigeration system (-45°C): N/A on Standard and LS models, optional on HS. (FF only)
236-049 /QF -80°C Ultra low temp. quick freezer.: Optional on Standard and LS models and N/A on HS. (FF only) * N/A in conjunction with /EC or /LT Options.
236-001 /D Cryomatic specimen temp. control. +5°C to lowest achievable chamber temp.: Optional on Standard, Standard on LS and HS models. (FF only)
236-002 /MR Motor drive with cutting window: Optional on Standard, N/A on LS models and Standard on the HS. (FF only)
236-048 /MR(S) Low speed/high torque motor drive: N/A on Standard, and LS Optional on HS model. (FF only)
236-024 /V Foot switch for motor drive: Optional on Standard, N/A on the LS model, and standard on HS.
236-010 /MAR 2 speed Motorized advance/rewind, 116µm and 1654µm/s: Optional on Standard model, Standard on LS and HS. (FF only)
236-011 /U UV decontamination systems: Optional on all 3 models. (FF only)
236-046 /LOW Low height version: Optional on Standard and LS models, and N/A on HS. (FF only)
236-045 /LOW EC Low height version (for dual refrigeration models): N/A on Standard or LS models, Optional on HS model. (FF only)

(All three models are available with Quick release Feather™ Blade Holder as an option, complete with anti-roll plates (37 and 50mm) and ten Feather™ blades instead of standard knife block and standard knife.)

***Effective June 1, 2011, we now have a $50.00 minimum order.



  • Standard knife block
  • Anti-roll plates (37, 50 & 75mm)
  • Standard knife: 110/120V/60Hz

  • Quick Release Feather™ Blade Holder
  • Anti-roll plates (37, 50 & 75mm)
  • 10 Feather™ blades and standard knife: 110/120V/60Hz

  • Motorized advance rewind (2 speed)
  • Anti-roll plates (37, 50 & 75mm)
  • Standard knife: 110/120V/60Hz

  • Quick Release Feather™ Blade Holder
  • Anti-roll plates (37 & 50mm)
  • 10 Feather™ blades and standard knife: 110/120V/60Hz

  • Section counter, dual refrigeration and motor drive with standard knife block
  • Anti-roll plates (37, 50 & 75mm)
  • Standard knife: 110/120V/60Hz

  • Quick Release Feather™ Blade Holder
  • Anti-roll plates (37 & 50mm)
  • 10 Feather™ blades and standard knife: 110/120V/60Hz

  • -40°C
  • Achieves lower chamber temperatures will cool down more quickly
  • Compressor usage is shared and this will extend the life of the compressors

  • -45°C
  • Allows selection of a single compressor or both compressors
  • Optional on HS models

  • Enables tissues to be rapidly frozen to -80°C within the cryostat cabinet
  • Optional on Standard and LS models
  • Not available on HS models

  • +5°C to lowest achievable chamber temperature
  • Designed to raise the specimen temperature to any set point above the chamber temperature
  • Optional on Standard models

  • For automation of the cutting process
  • To provide extremely smooth cutting velocities with continuous or single section operation
  • Variable speed and zone control and particularly useful if ultrarepeatability of sections is critical, also includes an emergency stop

  • High torque for very hard specimens, e.g. undecalcified bone.
  • For automation of the cutting process
  • To provide extremely smooth cutting velocities with continuous or single section operation

  • Leaves hands free to collect sections
  • Optional on Standard models
  • Standard on HS models

  • 2 speed, 116µm and 1654µm/s
  • Permits rapid rewind of microtome to start position, and rapid, slow or incremental advance (e.g. for trimming)
  • Manual operation is still possible

  • Fits into the window aperture
  • Helps decontamination of the cryostat
  • Optional on all 3 models

  • Operating height reduced by 10cm from the standard cryostat
  • Optional on the Standard and LS models
  • Not available for the HS models

  • Operating height reduced by 10cm from the standard cryostat with dual refrigeration
  • Optional on the HS models
  • Not available for the Standard or LS models


International Visitors

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