8 alarm levels – ENMET PGD2Manual.pdf User Manual
Page 13
ENMET Corporation
PGD3-IR
10
6.8
Alarm Levels
The alarm level settings for the instrument may be viewed via the menu button. These values represent the alarm set-points which
have been programmed into the instrument at the factory.
Press the menu button until, 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:
or FLAM 1.00 %VOL if in the volume mode
N
OTE
: Some units are dual range LEL and % vol.
Alarm setting for the Flammable sensor - one setting
For Example
:
Alarm settings for toxic sensor, Hydrogen sulphide - three settings
For Example
:
Alarm settings for the Oxygen sensor - two settings
For Example
:
Alarm settings for infrared sensor, Carbon Dioxide - three settings
Important: - The Flammable sensor alarm setting cannot be set above 60% LEL.
ALARM LEVELS
PRESS [ ] KEY
INSTANT ALARM
FLAM 10% LEL
INSTANT ALARM
H
2
S 10 ppm
STEL ALARM
H
2
S 15 ppm
LTEL ALARM
H
2
S 5 ppm
INSTANT ALARM
O
2
LOW 19.5%
INSTANT ALARM
O
2
HIGH 23.5%
INSTANT ALARM
CO
2
2000 ppm
STEL ALARM
CO
2
5000 ppm
LTEL ALARM
CO
2
5000 ppm