D e t e c t i o n
POLI Multi-Gas Detector
User Manual
D e t e c t i o n
28
WatchGas Suite Bump/Cal Summary Confi guration Screen
• Calibration Gas
and a
Measurement Gas
can be selected from a list of almost 1000 compounds
for PID and Pellistor LEL sensors. If Measurement and Cal Gas are diff erent, a correction factor
is calculated and applied to make the sensor display in concentration equivalents of the
measurement gas.
• Setting Custom Gases
is done under the
User Gas
tab. Overwrite “Custom Gas 1” (User Gas 1) with
the chemical name and press the ‘Return’ key. Enter the molecular weight (m.w.) and correction
factors for a 10.6 eV PID lamp and for the LEL sensor. If either the PID or LEL sensor are not used or,
leave the CF values as 0. The molecular weight is only needed when gas units of mg/m3 are used;
if not, leave the m.w. at 1. By clicking the “Save User Gas” box on the right of the screen, the factors
are sent to the instrument without sending any other confi gurations. The “Reset User Gas” button
sets all values back to factory default on both the instrument and the WatchGas Suite panel.
