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Mini-AT User Guide
Item
No. Item Name Description
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185 PREDAY AV PCOR P Yesterday’s Daily Average PCor Pressure (expressed in the
pressure units selected at item 087), i.e., the daily average PCor
pressure that is one ‘Gas Day’ old at the time the instrument was
accessed. This information is updated with the value from item
256 at the beginning of every new gas day. Note: The gas day
begins at the time entered at item 205.
Default = 0.00
186 PREDAY AV TEMP Yesterday’s Daily Average Temperature (expressed in the
temperature units selected at item 088), i.e., the daily average
temperature that is one ‘Gas Day’ old at the time the instrument
was accessed. This information is updated with the value from
item 257 at the beginning of every new gas day. Note: The gas
day begins at the time entered at item 205.
Default = 0.00
187 AVG UNSQ SUPER The calculated Unsquared Supercompressibility Factor (item 047)
averaged over the selected Time Interval (item 202). This value is
“flow weighted”, meaning, the calculations result from input meter
pulses only and relate exactly to Average Pressure (item 206) and
Average Temperature (item 207). This is a running average, so the
value displayed during instrument access is the most recent
calculated value.
Default = 1.0000
188 DAILY AV UNS SUP Same as item 187, except this value is the average
supercompressibility Factor for the current Gas Day. This is a
running average, which is zeroed and begins a new calculation at
the time entered at item 205. Therefore, the value displayed during
instrument access is the most recent calculated value for the current
gas day.
Default = 1.0000
189 PREDAY AV UN SUP Yesterday’s Daily Unsquared Supercompressibility Factor, i.e., the
daily unsquared supercompressibility factor that is one ‘Gas Day’
old at the time instrument was accessed. This item is updated with
the value from item 188 at the beginning of every new gas day.
Note: The gas day begins at the time entered at item 205.
Default = 0.0000