For maintaining the temperature of critical biological specimens at desired level during microscopic observation. An anodized aluminum plate of less than 10 mm thickness with 50 mm central grove with glass and 175 (L) X 155(W) mm dimensions, which fits on most microscope stages Heated at desired temperature by a separate digital temperature display - cum controller with 2 meter long cable for convenient location.

The temperature range is from ambient to 55°C with 0.2°C accuracy.