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HCS321Gi Hot and Cold Gas-Tight Inverted Stage
Instec’s HCS321Gi hot and cold stage is designed specifically for inverted optical microscopes. Its small from factor allows for easy mounting onto all common inverted microscope platforms. The HCS321Gi offers the widest temperature range available for inverted microscope applications and a gas-tight sample chamber for enhanced temperature uniformity.  
  • Programmable Precision Temperature Control from -80°C to 250°C
  • Hot and Cold Stage System Designed Specifically for Inverted Microscopes
  • Controlled Fast Heating and Cooling Rate
  • Large Viewing Aperture
  • Removable and Exchangeable Windows
  • Dual Pane Windows for Better Thermal Isolation
  • Integrated Aperture Window Defrost System
  • Gas Purge Sample Chamber
  • Inner Cover for Improved Sample Temperature Uniformity
  • Optional Microscope Rotational Stage Mounting Accessories
Technical Specifications
Temperature Range
-80°C to 250°
Below ambient operation requires optional cooling accessory
Temperature Resolution
Temperature Stability
±0.05°C at 100°C (better stability optional)
Minimum Heating and Cooling Rate
±0.1°C per hour
Maximum Heating Rate
+120°C per minute at 100°C
Maximum Cooling Rate
-45°C per minute at 100°C (when using LN2-P8)
Temperature Control Method
Switching PID
Temperature Control Sensor
100 Ω Platinum RTD
Minimum Objective Working Distance
5.3 mm (shorter working distance optional)
Minimum Condenser Working Distance
11.9 mm (short condenser distance optional)
Sample Area
27 mm x 22 mm
Stage Chamber Height
10.4 mm
Sample Viewing Aperture
5 mm for transmitted light; 29.2 mm for reflected light
Stage Weight 610 g
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