ENMET PGD2 - Manual (Page 13)

ENMET Corporation PGD2
10
6.10 Alarm Levels
The alarm level settings for the instrument may be viewed via the menu button (Section 6.5). These values represent the alarm set-
points which have been programmed into the instrument during calibration.
From the menu, the user is prompted to press the up arrow key to view the readings: -
Sequential operation of the up arrow key shows in turn the alarm set points for each sensor. A typical display sequence for a 4-gas
instrument would be:-
Alarm settings for the Oxygen sensor - two settings
or FLAM 1.00 %VOL if in the volume mode
Alarm setting for the Flammable sensor - one setting
Alarm settings for toxic sensor 1, Hydrogen Sulphide - three settings
Alarm settings for toxic sensor 2, Carbon Monoxide - three settings
Important: - The Instantaneous Alarm settings must be greater than both the Short Term and Time-Weighted-Average/Long
Term exposure alarm settings. The Flammable sensor alarm setting cannot be set above 60% LEL.
ALARM LEVELS
PRESS [ ] KEY
INSTANT ALARM
O
2
HIGH 23%
INSTANT ALARM
O
2
LOW 19%
INSTANT ALARM
FLAM 20 % LEL
INSTANT ALARM
H
2
S 15 ppm
STEL ALARM
H
2
S 10 ppm
TWA ALARM
H
2
S 5 ppm
INSTANT ALARM
CO 400 ppm
TWA ALARM
CO 50 ppm STEL ALARM
CO 200 ppm