Quest Engineering AQ5000 Pro, Инструкция по эксплуатации

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Chapter 2: Quick Tutorial
8
10. Apply Nitrogen at a rate of 500 ml per minute. Observe the
second line of the display. Wait for the reading to stabilize,
then press RECORD. The unit will display “Calibrating…”
and begin a countdown from 15 to zero. When the
countdown reaches zero, the unit will display “Zeroing
Complete” momentarily, then the following menu will appear:
Apply XXXX ppm CO2
CO2 XXXXppm
Press RECORD To Span
Press ON/OFF To Exit
11. Turn the regulator off. Remove the N
2
bottle from the
regulator and replace it with CO
2
of the desired
Concentration.
12. The Cursor will be shown blinking under the right digit of the
current concentration (Span) entered. This value can be
altered, if required, by pressing and holding the up or down
arrow key until the desired concentration value is displayed.
13.
Apply the CO
2
at a rate of 1 liter per minute while observing
the “Current Level” display. Wait for the current level to
stabilize, and then press the RECORD button. The IAQ
Monitor will display “Calibrating…” and begin to count down
from 15 to zero.
14. When the countdown reaches zero, the CO
2
span calibration
value is saved.
15. Press the ON/OFF button once to return to the present
readings screen. Turn off the valve on the regulator and
disconnect the CO2 source.
NOTE: See "Connecting and Calibrating your Sensors" in Chapter
3 for more details on calibration.
NOTE: The regulators used for calibration must have a flow rate of
1 liter per minute.