Portable multi gas detector
QGM
8
3.3 DISPLAY MODE
TYPE
SET-OFF
CONDITION
LCD DISPLAY
ALARM SOUND & VIBRATION DISPLAY
LOW Alarm
Exceed LOW
alarm value
icon & gas
concentration levels
displayed
HIGH Alarm Exceed HIGH
alarm value
icon & gas
concentration levels
displayed
TWA Alarm
When exceeding
TWA alarm value
icon & gas
concentration levels
displayed
STEL Alarm
When exceeding
STEL alarm value
icon & gas
concentration levels
displayed
Bump Test
Request Date for
Bump Test
Stops after Bump Test
Execute
Calibration
Request Date for
Calibration
Stops after Calibration
LOW Alarm Sets Off:
When the user presses Key after noticing that the LOW alarm sets off, the
sound stops, but the vibration and LED alarm remain.
HIGH Alarm Sets Off:
The user must leave the area immediately, and the sound alarm /
vibration / LED alarm stops when the device goes to a safe area where the concentrations are
normal.
TWA Alarm Sets Off:
The alarm sets off when the hourly average levels of the gas concentration
for the last eight hours exceed the TWA concentration, and the sound alarm / vibration / LED
alarm stop when the gas concentration levels reach the alarm set-off value as the user goes to
a safe area.
STEL Alarm Sets Off:
The alarm sets off when the hourly average levels of the gas concentration
for the last 15 minutes exceed the STEL concentration, and the sound alarm / vibration / LED
alarm stop when the gas concentration levels reach the alarm set-off value as the user goes to
a safe area.
Bump Test Interval
(WatchGas IR-LINK Options):
Notices the user on a regular basis to check the
device.
Calibration Interval (WatchGas IR-LINK Options):
Notices the user on a regular basis to calibrate
the sensor.
