19
Please note that invalid settings are treated as for time and date.
4.6 The INT function (logging/sampling interval)
Depending upon the logging mode selected (see 4.8), readings may be
stored in memory at fixed intervals or when certain events occur or a
combination of both of these. In the INT function the logging interval is
shown on the top line and can be set between 1 second and 24 hours
(unless
‘fast logging mode’ is used – see section 11). In logging modes
that include averaging, the inputs are measured at a shorter interval
(called the sample interval) and the average of these measurements is
recorded at the logging interval. The sample interval is shown on the
bottom line and can be set between 1 second and 12 hours provided that
a logging mode including averaging is selected: -
M O D E l o g
a v e r a g e
M O D E l o g
e v e n t + a v e r a g e
If you have already selected either of the above modes but have not
selected a sampling interval, the following will be displayed: -
I N T l o g 1 2 : 0 0 : 0 0
C H E C K I N T E R V A L S
The logger will then automatically select a sampling interval of 1 second
for logging intervals up to and including 12 hours: -
I N T l o g 1 2 : 0 0 : 0 0
s a m p l e 0 0 : 0 0 : 0 1
A sampling interval of 2 seconds is the minimum for logging intervals over
12 hours. It is not necessary to change the sampling interval if recordings
are made in non-average logging modes. The sampling interval will be
automatically set to zero: -
I N T l o g 1 2 : 0 0 : 0 0
s a m p l e 0 0 : 0 0 : 0 0
