True but you still have to deal with a bounce of the values. As it reads
28.400001 to 28.4346465 to 28.799993 what's the proper time weighted
average? What's the proper sampling rate? How many decimals? If we measure
pipe to 3 shouldn't the flow test be at least that. And these digital
gauges need to be calibrated by? Ron? And then what to do with all this new
found "accuracy" and the sledge hammer of H-W. I guess we'll all have to
ask Joe's local sprinkler scientist who won't let him slide on 31 gpm.
Chris Cahill, P.E.
Fire Protection Engineer
Sentry Fire Protection, Inc.
763-658-4483
763-658-4921 fax
Email: [EMAIL PROTECTED]
Mail: P.O. Box 69
Waverly, MN 55390
Location: 4439 Hwy 12 SW
Waverly, MN 55390
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Fletcher, Ron
Sent: Friday, August 01, 2008 11:59 AM
To: [email protected]
Subject: RE: Gauge Calibration
I'm looking forward to the day when all the gauges are digital and we
won't have to guess if the pitot pressure from the 4" hydrant butt is
28.4 or 28.8 (lmao). It could be critical if your local sprinkler
scientist won't let you slide on 31 gpm.
Happy Friday everyone,
Ron Fletcher
Aero Automatic
Phoenix, AZ
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