Table 5-4: Example Auto-Cal Sequence - Teledyne T200H User Manual

Nitrogen oxides analyzer
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Teledyne API - Model T200H/T200M Operation Manual
MODE AND ATTRIBUTE
SEQUENCE
MODE
TIMER ENABLE
STARTING DATE
STARTING TIME
DELTA DAYS
DELTA TIME
DURATION
CALIBRATE
07270D DCN7141
The following example sets sequence #2 to carry out a Zero-Span calibration every other
day beginning January 1
format), and 30 minutes later each day thereafter, lasting a total of 30 minutes each time
(15 minutes for Zero and 15 minutes for Span).

Table 5-4: Example Auto-Cal Sequence

VALUE
2
Define sequence #2
ZERO-HI
Select zero and span mode
ON
Enable the timer
01-JAN-16
Start on or after 01 January 2016
14:00
First sequence starts at 14:00 (24-hour clock format)
2
Repeat this sequence every 2 days
Repeat sequence 30 minutes later each time
00:30
(every 2 days and 30 minutes)
Each sequence step will last 15 minutes (total of 30 minutes when
15.0
using zero-span mode)
The instrument will recalculate the slope and offset values for the
ON
NO and NO
Please note the following suggestions for programming the AutoCal feature:
The programmed Starting Time must be 5 minutes later than the real time clock.
Avoid setting two or more sequences at the same time of the day.
sequence which is initiated from a timer, the COM ports, or the contact closures will
override any sequence in progress. Note that two sequences with different daily
increments may eventually overlap.
If an illogical entry is selected, (for example: Delta Days > 366) the ENTR button will
disappear from the display.
With CALIBRATE turned on, the state of the internal setup variables
DYN_SPAN and DYN_ZERO is set to ON and the instrument will reset the slope
and offset values for the NO and NO
runs.
This continuous re-adjustment of calibration parameters can often mask
subtle fault conditions in the analyzer. It is recommended that, if CALIBRATE is
enabled, the analyzer's test functions, slope and offset values be checked
frequently to assure high quality and accurate data from the instrument.
st
, 2016, starting at 2:00 p.m. (1400 hours per the 24-hour clock
COMMENT
channel at the end of the AutoCal sequence.
X
response each time the AutoCal program
X
Calibration Procedures
Any new
199

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