I’m ordering a 2L Chinese cow spd and was wondering if I could test vacuum pressure off what I’m pulling off my roto. Would it achieve the same result on the spd?
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You can use an analog gauge on your rotovap. inches of mercury is accurate enough. (I run around 25-27” with current setup)
You need to measure in microns for SPD. For which you will need a digital gauge.
My SPD is limping along at 40um blanked-off right now. EM30 tested at 3um in the wings awaiting a mist eliminator.
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