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TSA12Gi Inverted Microscope Thermal Stage
Instec’s TSA12Gi is a thermoelectric (Peltier) based thermal stage designed specifically for inverted optical microscopes. It features a large sample chamber that can accommodate a Petri dish or samples up to 40.5 mm diameter. 
The TSA12Gi’s specially designed lid allows for precision temperature control, and gas purge for atmospheric control. Purge gas is pre-heated/cooled before entering the sample chamber for improved thermal performance. The lid windows can be defrosted for low temperature operation. 
TSA12Gi is an ideal solution for applications such as cell culture, biology, and thermal microscopy for inverted microscopes.
  • Programmable precision temperature from 0°C to 60°C
  • Peltier-based inverted microscope thermal stage 
  • Accommodates up to a 40.5 mm diameter sample size
  • Pre-heated or pre-cooled gas purge
  • Controlled fast heating and cooling rate
  • Extra large viewing aperture
  • Removable and exchangeable windows
  • Dual pane windows for better thermal isolation
  • Integrated aperture window defrost system
  • Gas tight sample chamber
  • Inner cover for improved sample temperature uniformity
Technical Specifications
Temperature Range
0°C to 60°
Temperature Resolution
0.01°C with mK1000
Temperature Stability
±0.05°C at 37°C with mK1000 (better stability optional)
Minimum Heating and Cooling Rate
±0.5°C per hour
Maximum Heating Rate
+25°C per minute at 37°C
Maximum Cooling Rate
-15°C per minute at 37°C
Temperature Control Method
PID with Linear Variable DC
Temperature Control Sensor
100 Ω Platinum RTD
Minimum Objective Working Distance
 5.4 mm
Minimum Condenser Working Distance
23.8 mm
Sample Area
Φ 40.5 mm
Chamber Height
13 mm with inner cover
Sample Viewing Aperture
12 mm for transmitted light
20 mm for reflected light
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