®
Environmental Equipment, Inc.
IMR EX440 User Manual
3632 Central Ave. St. Petersburg, FL 33711 – Phone: 727-328-2818 / 800-RING-IMR – Fax: 727-328-2826 – E-mail: [email protected] – Web: www.imrusa.com
THE PRIDE OF THE COMPANY – MADE IN THE USA
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The screen will display the zero point A/D value of each gas sensor channel, after the A/D values are stable.
Press
and the detector will execute zero calibration. If successful there will be a ”√” mark otherwise it will
display an ”×”.
In the auto-zero calibration interface you can press
to start the count down again, and after the countdown
finishes. The detector will enter span calibration. If you press
twice before the countdown finishes the
detector will go to mixed gases calibration.
4.7.2
Span Calibration
The interface shown below will be displayed when you enter span calibration. It displays the calibration point.
If you do not want to do calibrate for this gas channel press
and it will change to next gas channel.
If you need to change the calibration point; then press
and the screen below will be displayed.
Press
to move the selection. Press
to change the figure. Press
continuously to the last digit to
confirm the input and save; the detector will go to the next interface (waiting for gas input)
