AccuTools CLI20206 Gebruikershandleiding - Pagina 3
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eL-720 User's Guide
WARNING: The eL-720 contains an optical sensor that must remain
free of moisture and debris. Failure to operate the unit without a
filter may cause the sensor to become contaminated. This will result
in a sensor malfunction as indicated by the failed sensor alarm.
INSTRUCTIONS
1.
Press the button to turn the unit on. Unit will beep 3 times and all
LEDs will light.
2.
The unit will warm up and self-calibrate for 10 seconds, after which a
constant beeping will be heard.
3.
Test the unit by exhaling gently into the probe tip. Human breath
contains enough CO
4.
Unit turns on in the high sensitivity level (400 ppm). For zeroing into
large leaks, change to the low sensitivity level: Press the button
twice (double-click like a computer mouse). The LEDs will scan from
right to left and a sweeping sound effect of high to low pitch will be
heard. The sensitivity is now set for 4,000 ppm.
5.
Double click again to change back to high sensitivity. The LEDs will
scan from left to right and a sweeping sound effect of low to high
pitch will be heard.
6.
To reset the unit to the ambient level of carbon dioxide, press and
release the button. The LEDs will flash briefly to indicate the reset.
All levels of carbon dioxide less than the reset level will be ignored.
7.
Move the probe towards a suspected CO
2 inches (50 mm) per second, no more than ¼ inch (5 mm) away
from the suspected source.
8.
If a leak exists, the sound will increase in rate and pitch and the
LEDs will indicate the relative leak rate.
9.
To turn the eL-720 off, press and hold the button for 1 second.
10.
To conserve battery power, the eL-720 will automatically turn itself
off after 10 minutes of inactivity.
2
to cause a full-scale alarm in High Sensitivity.
2
leak at a rate of less than
2