45
GasAlertMicro 5/PID/IR
Alarms
The time/date, TWA, STEL, low, and high alarm setpoint screens display
in the following order left to right:.
If a correction factor has been applied to a sensor, one of the following
screens display indicating the sensor and gas type.
Resetting Gas Alarm Setpoints
Note
Standard factory alarm setpoints may vary by region.
The following table lists the factory alarm setpoints according to the
Occupational Safety and Health Association (OSHA) settings.
Table 10. OSHA Sample Factory Alarm Setpoints
Gas
TWA
STEL
Low
High
O
2
N/A
N/A
19.5% vol.
23.5% vol.
LEL
N/A
N/A
10% LEL
20% LEL
CO
35 ppm
50 ppm
35 ppm
200 ppm
H
2
S
10 ppm
15 ppm
10 ppm
15 ppm
PH
3
0.3 ppm
1.0 ppm
0.3 ppm
1.0 ppm
SO
2
2 ppm
5 ppm
2 ppm
5 ppm
Cl
2
0.5 ppm
1.0 ppm
0.5 ppm
1.0 ppm
NH
3
25 ppm
35 ppm
25 ppm
50 ppm
NO
2
2.0 ppm
5.0 ppm
2.0 ppm
5.0 ppm
HCN
4.7 ppm
10.0 ppm
4.7 ppm
10.0 ppm
ClO
2
0.1 ppm
0.3 ppm
0.1 ppm
0.3 ppm
O
3
0.1 ppm
0.1 ppm
0.1 ppm
0.1 ppm
VOC
50 ppm
100 ppm
50 ppm
100 ppm
CO
2
5,000
ppm
30,000
ppm
5,000
ppm
30,000
ppm
www.
GlobalTestSupply
.com
Find Quality Products Online at:
