Servomex 2700 Quickstart Manual
Servomex 2700 Quickstart Manual
17
3.4.3 Setting up the automatic calibration parameters
From the CALIBRATE menu, select AUTO CALIBRATE and
then SET UP AUTO CAL.
1. If two sensors are fitted in the sensor head then select
OXYGEN, COe or OXYGEN & COe to calibrate either the
oxygen sensor only, the combustibles sensor only or both
the oxygen and combustibles sensors.
2. Select LOW CAL ONLY to perform a low point only
calibration for the selected sensors or LOW AND HIGH
CAL to perform both a low point and high point calibration.
3. The user will be prompted to enter a calibration level and
tolerance level (see manual calibration procedure,
Section 3.4.1) for the low (and, if selected, high) calibration
gas for each sensor to be calibrated.
4. Use the arrow keys to select the flushing time to be used.
This is the time delay to allow the reading to stabilise after
each change of gases. The up/down keys alter the
selection by 0.5 minutes over the range 0.5 to 8.0 minutes.
5. Use the arrow keys to set the time period between
successive automatic calibrations. The period is specified
in days with a range 0 to 999 days. If the period is set as 0
then only the first automatic calibration will be made.
6. The current date and time are displayed for five seconds for
reference. Then use the arrow keys to set the start date
and start time for the first automatic calibration. The start
date and time will then be displayed for five seconds.
7. When the automatic calibration parameters are complete
the display will return to the start time entry screen. The
user should press the QUIT key if all is satisfactory.
3.5 Service functions (Refer to Figure 3b)
The supervisor password is required to access the service
functions. The service functions are accessed by pressing the
MENU key, then selecting CONFIGURE, enter a valid
password and then select SERVICE.
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