Hanwei BX176 - Page 23

BX176 portable single gas detector operation manual
20
Attached gas list 1:
Target
gas
Detecting
range
Low alarm
adjust range
High alarm
adjust range
Low
alarm
High
alarm
TWA
alarm
STEL
alarm
CH
4
0-100%LEL
10%LEL～25%LEL
25%LEL～80%LEL
20%LEL
50%LEL
C
3
H
8
0-100%LEL
10%LEL～25%LEL
25%LEL～80%LEL
20%LEL
50%LEL
H
2
0-100%LEL
10%LEL～25%LEL
25%LEL～80%LEL
20%LEL
50%LEL
H
2
0-1000ppm
20ppm～150ppm
150ppm～500ppm
35ppm
250 ppm
H
2
S
0-100ppm
5ppm～15ppm
15ppm～30ppm
10ppm
15ppm
10ppm
15ppm
CO
0-1000ppm
25ppm～100ppm
100ppm～500ppm
35ppm
200ppm
35ppm
200ppm
CO
0-2000ppm
25ppm～100ppm
100ppm～500ppm
35ppm
200ppm
35ppm
200ppm
O
2
0-30%vol
16%vol～19.5%vol
22.5%vol～24%vol
19.5%vol
23.5%vol
C
2
H
5
OH
0-100%LEL
10%LEL～25%LEL
25%LEL～80%LEL
20%LEL
50%LEL
NH
3
0-100ppm
20ppm～30ppm
30ppm～70ppm
25ppm
50ppm
25ppm
35ppm
CL
2
0-20ppm
3ppm～10ppm
5ppm～15ppm
5ppm
10ppm
0.5ppm
1.0ppm
SO
2
0-100ppm
1ppm～3ppm
3ppm～10ppm
2ppm
5ppm
2ppm
5ppm