If you want to measure such low pressure, go for Mcleod gauge or inclined manometer.
Regards
N. S. Pandit
--Generally the selection of for pressure range is always in such a way that at full pressure indicatior is at 12 location.
Regards
dinesh
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Mohammed Reza Rajani
Sent: Thursday, March 21, 2013 8:14 AM
To: materials-welding@googlegroups.com
Subject: [MW:17178] Vacuum test pressure gauge details required
Dear Experts,
I need to do vacuum testing of column at 40mm Hg (abs). Least count of gauge should be 0.5 torr.
My code of construction for manufacturing of column is ASME SEC VIII Div. I
How should I select pressure gauge?
Is the Pressure Gauge of range 0-760 mm Hg OK?
Does the pressure gauge with the range of 0-760mm Hg with least count of 0.5 mmHg available in the market?
Thanking you in advance.
--
With Best Regards
Mohammed Raza Rajani
Engineer - Q.C--
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N. S. Pandit
alternative e-mail panditns1@rediffmail.com
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