Operation steps of transmission electron microscope

Open the circulating water. Because the circulating water of the new electron microscope is not turned off, this step can be omitted. But pay attention to whether the water temperature is normal. Turn on the power switch. Come in/out. It's always open, so this step can be saved. Turn on the screen power; Check the home page of the screen: Confirm ① whether the voltage is 120KV. ② Confirm that the sample position "sample position" is the origin: