Which rotary vacuum pump is suggested for holding the pressure at 20 mTorr in a 100L sealed pyrex chamber for 24 hours?

Mohammad Sefidmooy Azar @Mohammad_Sefidmooy_Azar

01 January 2019 0 2K Report

I need a vacuum pump for holding the pressure at 20 mTorr in a 100L sealed pyrex chamber for 24 hours and I want to repeat this process 4 or 5 times in a week. Which brand and model of vacuum pump you suggest for this application? Without price regards.

Thank you

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Thermodynamics
Pressure

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