ALTAIR
®
4XR
45
Technical Data
US
5.1
Factory-set Alarm Thresholds and Setpoints
The ppm to mg/m³ conversion is calculated at 20° C (68 °F) and at atmospheric pres-
sure.
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
--
--
O
2
(% vol)
19.5
23.0
--
--
H
2
S (ppm)
10
15
15
10
H
2
S-LC(ppm)
5
10
10
1
CO (ppm)
25
100
100
25
NO
2
(ppm)
2
5
5
2
SO
2
(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
O
2
(% vol)
5
24
H
2
S (ppm)
5
175
H
2
S-LC (ppm)
1
70
CO (ppm)
10
1700
NO
2
(ppm)
1
47.5
SO
2
(ppm)
1
17.5
Summary of Contents for ALTAIR 4XR
Page 1: ...MSAsafety com Operating Manual ALTAIR 4XR Multigas Detector Order No 10175896 00 ...
Page 52: ...ALTAIR 4XR 52 Appendix US 7 Appendix 7 1 Start Up Sequence Power on ...
Page 53: ...ALTAIR 4XR 53 Appendix US 7 2 Fresh Air Setup FAS ...
Page 55: ...ALTAIR 4XR 55 Appendix US ...
Page 56: ...ALTAIR 4XR 56 Appendix US 7 4 Bump Test ...
Page 57: ...ALTAIR 4XR 57 Appendix US 7 5 Options Setup ...
Page 58: ...ALTAIR 4XR 58 Appendix US 7 6 Sensor Setup ...
Page 59: ...ALTAIR 4XR 59 Appendix US 7 7 Calibrations ...
Page 60: ...ALTAIR 4XR 60 Appendix US ...
Page 61: ...ALTAIR 4XR 61 Appendix US 7 8 Alarm Setup ...
Page 62: ...ALTAIR 4XR 62 Appendix US 7 9 Time and Date Setup ...
Page 63: ...sales norrscope com ALTAIR 4XR 63 Appendix US 7 10 Bluetooth Setup ...
