Arbiter Systems 931A, Operation Manual

Page: 105 / 161

Log Data #: A number assigned to the data record. If
the data was stored prior to print/export, this
number will correspond to the record number
assigned when stored. If the data is printed or
exported directly, this number will always be
zero.
Date: An integer, corresponding to the date, in stan-
dard format for dates in spreadsheet applica-
tions. The integer for the date is determined
from the following:
1/1/1600 = -109,571
12/30/1899 = 0
1/1/95 = 34700
12/31/3199 = 474, 816
Time: As a decimal fraction of 1, corresponds to the
time of day, and is the standard format for
time in spreadsheet applications. This number
is determined by the formula:
n=S/86400,
where: S = number of seconds elapsed since
midnight.
Min, Max, Aver-
age, Normal: Denotes whether the data corresponds to the
minimum-recorded values, maximum-recorded
values, average-recorded values or normal mea-
surement.
Ch1 Select: Describes the input configuration for measure-
ment Channel 1. For example, “Van” corre-
sponds to voltage measurement between inputs
“A” and “N”.
Ch1 DC, RMS,
MAG: The value measured on Channel 1.
Ch2 Select: Describes the input configuration for Channel
2. For example, “Ia” corresponds to current
measurement on current input A.
89