ISI M-7

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Mcmaster:isi:m-7:m7front.jpg?300Mcmaster:isi:m-7:isicolumn.jpg?300

Above: codename Smurf before I overhauled it. In the above unit it has a lot of rust and other problems

Diffusion pump

Dataplate

Ultimate Vacuum: x10-6 mmHg 

   10E-6 torr

Fore Pressure 3x10-1 mmHg 

   100 mTorr

H. Power 100/0.35KW 

   100VAC
   3.5 A

Pump Speed: 100 L/sec Amount of Oil: 40cc No: 790123 TOKYO VACUUM MACHINERY Co. Ltd. TOKYO JAPAN

Trying to figure out cooling. Options:

New Cole Parmer peristaltic pump w/ LS-15 tubing: 1L/min max * Warms up tubing at high speeds DudaDiesel pump: min/max? * Too much? any chance I could break something? Small pump * Test?

Chilling options

FTC-350A from De Anza flea market * Early tests show that it might not necessarily work: outlet is not any colder than inlet Large crycooler * Works * High current draw * -100C: potential to freeze water by accident

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