Labconco Protector Controlled Atmosphere Glove Box - Manual (Page 46)

Chapter 5: Using Your Glove Box
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To calibrate the pressure sensors for both chambers, the doors must be open
so that atmospheric pressure is present at both sensors. This is the “zero
point” for both sensors. Both pressure gauges on the glove box will also read
“zero.”
With both doors open, press the key adjacent to “Yes.” Once this is done, the
following display screen on the next page appears:
Back to
Previous
Screen
Yes, All
Doors
Open