Philips - CM-200

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Contents

OPERATION OF THE PHILIPS CM 200 FEG TEM When not in use the CM 200 should be in the MICROSCOPE ON configuration with the HIGH TENSION ON illuminates green when the high tension is on The microscope is normally never turned off Preliminary Add liquid Nitrogen to the Dewar next to the sample holder Anticontamination device Place the metal clad glass vacuum dewar into its holder to the right of the column so that the soft copper wire beard hangs inside it The glass viewing windows should be covered for safety Fill the dewar nearly full with liquid nitrogen and place the styrofoam cap on top Log in in the hallway Go to vacuum page by pressing button Ready then button Vacuum Make sure pressure reading of IGP is below 10 preferably at 5 befo ...