Posted in | Cryostats

HM 525 Cryostat from Thermo Scientific

Features fast and stress-free production of high-quality cryostat sections. The Thermo Scientific HM 525 Cryostat is a semi-electronic cryostat with stepper motor advance that provides superior consistency and reliability of sectioning results. Ergonomic design provides all settings to be made outside the cryostat chamber.

Microtome Features

  • Stainless-steel microtome equipped with maintenance-free cross-roller bearings
  • Memory function provides quick, predefined advance of specimen to the knife edge
  • UV Option enables surface disinfection of harmful bacteria, viruses and spores. The 36W light is double the wattage typically available
  • Extra-wide (69.5mm) glass anti-roll plate for easy flattening and positioning of sections
  • Section thickness from 1 to 100µm
  • Trim section thicknesses from 5 to 500µm
  • Motorized coarse feed
  • Horizontal feed range of 28mm
  • Vertical cutting stroke of 60mm

Cryochamber Features

  • Peltier down to -60°C (-76°F) with four freezing stations (27 total freezing stations)
  • Cabinet temperature controlled down to -35°C (-31°F)
  • Liquid-crystal screen indicates set and actual temperature and other pertinent functions
  • Automatic 24-hour defrost with interrupt function
  • Removable heated window

Ergonomic/Safety Features

  • Automatic specimen retraction on return stroke
  • Mechanical handwheel lock

Physical Specifications

  • Dimensions, without handwheel (D x W x H): 30 x 25 x 47 in. (76 x 64 x 120cm)
  • Weight: 75 lb. (125kg)


  • Six color-coded specimen stages
  • 2-oz. Thermo Scientific Richard-Allan Scientific* Neg-50* Frozen Section Medium
  • Heat extractor
  • 100mL cryostat oil
  • Section waste tray
  • Brush shelf with one sectioning brush and one debris brush
  • Tools
  • Instruction manual

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