Clearing Gas Exposures; Resetting Gas Alarm Setpoints; Sensor Alarm - Honeywell GasAlert Extreme User Manual

GasAlert Extreme
User Manual

Clearing Gas Exposures

The peak gas exposures automatically clear after deactivating the detec-
tor.
To clear the MAX, TWA, and STEL peak exposure readings immediately,
C
press and hold for 6 seconds. The detector beeps and vibrates two
times to confirm that the exposures have been cleared.
Follow all safety procedures as defined by your employer. Confirm
with your supervisor before clearing TWA and STEL alarms.

Resetting Gas Alarm Setpoints

Standard factory alarm setpoints vary by region.
Table 9 lists the factory alarm setpoints.
To change the factory alarm setpoints, refer to
Alarm Setpoints.
To disable an alarm, set the alarm setpoint to 0.
The ETO sensor is extremely cross sensitive and it responds
strongly to CO.
30
a Caution
Note
Calibration and Setting
Note
Table 9. Factory Alarm Setpoints
Gas TWA
O N/A
2
CO
35 ppm
(low H )
2
CO 35 ppm
H S
2
10 ppm
(high range)
H S 10 ppm
2
PH 0.3 ppm
3
SO 2.0 ppm
2
Cl 0.5 ppm
2
NH 25 ppm
3
NH 25 ppm
3
(high range)
NO 2.0 ppm
2
HCN 4.7 ppm
ETO 1.0 ppm
ClO 0.1 ppm
2
O 0.10 ppm
3
NO 25 ppm

Sensor Alarm

The detector tests for a missing or defective sensor during the activation
self-test. Refer to Troubleshooting.
STEL Low
N/A 19.5% vol. 22.5% vol.
200 ppm 35 ppm 200 ppm
200 ppm 35 ppm 200 ppm
15 ppm 10 ppm 15 ppm
15 ppm 10 ppm 15 ppm
1.0 ppm 0.3 ppm 1.0 ppm
5.0 ppm 2.0 ppm 5.0 ppm
1.0 ppm 0.5 ppm 1.0 ppm
35 ppm 25 ppm 50 ppm
35 ppm 25 ppm 50 ppm
5.0 ppm 2.0 ppm 5.0 ppm
10.0 ppm 4.7 ppm 10.0 ppm
5.0 ppm 1.0 ppm 5.0 ppm
0.3 ppm 0.1 ppm 0.3 ppm
0.10 ppm 0.10 ppm 0.20 ppm
25 ppm 25 ppm 25 ppm
High