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CFs of VOCs relative to real-time calibration gas were calculated based on the CFs of the VOCs
relative to isobutylene, using the formula CF = CF1 /CF2, where CF1 is the measurement gas
CF relative to isobutylene and CF2 is calibration gas CF relative to isobutylene, CF is the final
value included in the "Custom Gas" information.
If another gas is selected for calibration instead of Isobutylene, the instrument prevents you
from selecting "My Lst", "Last Ten," or "Gas Library." Only the "Custom Gas" option is available.
Measurement units
Standard available measurement units include:
Abbreviation
ppm
ppb
3
mg/m
3
ug/m
Scroll through the list by pressing [N/-].
l
Select by pressing [Y/+].
l
Save your selection by pressing [Y/+] or undo your selection by pressing [N/-].
l
Press [MODE] to leave the sub-menu and return to the Programming Mode menus.
Handheld PID Monitors
parts per million
parts per billion
milligrams per cubic meter
micrograms per cubic meter
76
Unit
User Manual
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