3.4.9 Measurement Settings Menu
Figure 38 – Measurement Settings Menu Screen
Main Menu → Measurement Settings Menu
Set the time period over which the average will be calculated: Minutes
(1, 2, 3, 4, 5, 6, 10, 12, 15, 20 or 30) or hours (1, 2, 4, 6, 8, 12 or 24) or
rolling hourly averages over the last (4 or 8) hours.
When Enabled can set the time period over which the calibration
average will be calculated when the system is in Cal. Mode SPAN or
ZERO: Minutes (1, 2, 3, 4, 5, 6, 10, 12, 15, 20 or 30) or hours (1, 2, 4, 6,
8, 12 or 24) or rolling hourly averages over the last (4 or 8) hours.
Default is Disabled.
Controls how much of the previous time period needs to be included
before the average yields a number.
The default is 0%, which reflects past behaviour of the instrument:
turning on a machine with 15 minute averaging any time between
1:01 - 1:14 with a setting of 0% would produce #### until 1:15 (because
by 1:15, there was at least 1 valid measurement to construct the
average from). However, a setting of 100% would mean the value
stayed #### until 1:30 (because there needs to be a complete 15
minutes worth of measurements to construct the average from).
Sets the type of digital filter used (None, Kalman, 10 sec, 30 sec, 60 sec,
90 sec, 300 sec or Rolling).
The Kalman filter is the factory default setting and must be used when
using the instrument as a U.S. EPA equivalent method or to comply with
EN certification. The Kalman filter gives the best overall performance
for this instrument.
Rolling Size
[Rolling Filter]
Sets the number of measurements included in the rolling average. Only
available if the Filter Type is set to Rolling.
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