®
Environmental Equipment, Inc.
IMR EX660 User Manual
3632 Central Ave. St. Petersburg, FL 33711 – Phone: 727-328-2818 / 800-RING-IMR – Fax: 727-328-2826 – E-mail: [email protected] – Web: www.imrusa.com
THE PRIDE OF THE COMPANY – MADE IN THE USA
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Appendix1—Gas List
Gas
Detection range
L-alarm point
H-alarm point
TWA (ppm)
STEL (ppm)
CH
4
0-100%LEL
20%LEL
50%LEL
N/A
N/A
C
3
H
8
0-100%LEL
20%LEL
50%LEL
N/A
N/A
H
2
0-100%LEL
20%LEL
50%LEL
N/A
N/A
H
2
0-1000ppm
35ppm
250ppm
N/A
N/A
O
2
0-30%vol
19.5%vol
23.5%vol
N/A
N/A
H
2
S
0-100ppm
10ppm
15ppm
10
15
CO
0-1000ppm
35ppm
200ppm
35
200
CO
0-2000ppm
35ppm
200ppm
35
200
NH
3
0-100ppm
25ppm
50ppm
25
35
CL
2
0-20ppm
5ppm
10ppm
0.5
1.0
SO
2
0-100ppm
2ppm
5ppm
2
5
