Factory-set Alarm Thresholds and Setpoints
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Check the monitor or calibration certificate for exact alarm levels as they vary depending on national or corporate regulations. |
|
Sensor |
LOW alarm |
HIGH alarm |
STEL |
TWA |
|
EX (% LEL) |
10 |
20 |
-- |
-- |
|
EX-H (% LEL) |
10 |
20 |
-- |
-- |
|
EX-M (% vol) |
0.5 |
1.0 |
-- |
-- |
|
O2 (% vol) |
19.5 |
23.0 |
-- |
-- |
|
H2S (ppm) |
10 |
15 |
15 |
10 |
|
H2S-LC(ppm) |
5 |
10 |
10 |
1 |
|
CO (ppm) |
25 |
100 |
100 |
25 |
|
NO2 (ppm) |
2.5 |
5 |
5 |
2.5 |
|
SO2 (ppm) |
2 |
5 |
5 |
2 |
|
Sensor |
Min. alarm set point |
Max. alarm set point |
|
EX (% LEL) |
5 |
60 |
|
EX-H (% LEL) |
5 |
60 |
|
EX-M (% vol) |
0.1 |
3.0 |
|
O2 (% vol) |
5 |
24 |
|
H2S (ppm) |
2 |
175 |
|
H2S-LC (ppm) |
0.3 |
70 |
|
CO (ppm) |
7 |
1700 |
|
NO2 (ppm) |
0.5 |
47.5 |
|
SO2 (ppm) |
0.5 |
17.5 |
|
Sensor |
Default Calibration Setpoint |
Min. Calibration Setpoint |
Max. Calibration Setpoint |
|
EX (% LEL) |
58 |
5 |
100 |
|
EX-H (% LEL) |
58 |
5 |
100 |
|
EX-M (% vol) |
2.5 |
0.1 |
5.0 |
|
O2 (% vol) |
15.0 |
5.0 |
30.0 |
|
H2S (ppm) |
20 |
5 |
200 |
|
H2S-LC (ppm) |
20 |
1 |
70 |
|
CO (ppm) |
60 |
10 |
1700 |
|
NO2 (ppm) |
10 |
1 |
50 |
|
SO2 (ppm) |
10 |
1 |
20 |
|
Feature |
Options |
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Instrument password |
000 - 999 |
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Cal Due days |
1 - 180 |
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Combustible gas type |
Methane, butane, propane, pentane, nonane, hydrogen, combustible |
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Gas measurement units
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Periodic log collection rate |
Off, 15 sec, 30 sec, 1 min, 3 min, 5 min, 10 min, 15 min |
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Backlight timeout |
Off, 10 sec, 30 sec, 1 min, 3 min, 5 min, 10 min, On |