One inch miniature high and low temperature hot table

One inch miniature hot table, with high temperature up to 400 degrees Celsius and low temperature down to negative 190 degrees Celsius. The sample surface does not frost under low temperature vacuum state, suitable for high and low temperature testing. There is an inlet and outlet interface, which can be used for testing gas sensitive and humidity sensitive materials, and internal wires can be added for resistance testing. Add a transparent hole in the middle of the sample stage, which is transparent from front to back and can be used for optical lighting testing.