Honeywell CM4 Technical Handbook page 138

CM4 Four-Point Continuous Monitor
Gas Name
Hydrogen Sulfide
(H S)
2
Low Level
Hydrogen Sulfide XP4
(H S)
2
XP4 Hydrides
Hydrogen Sulfide XP4
(H S)
2
Low Level
XP4 Hydrides
Hydrogen Sulfide XP
(H S)
2
XP Hydrides
Hydrogen Sulfide XP
(H S)
2
Low Level
XP Hydrides
Hydrogen Sulfide XP
(H S)
2
Dry
XP Hydrides
* = Minimum Sample Time TLV = Threshold Limit Value LAL = Lowest Alarm Level LDL = Lower Detectable Limit
CM4 Technical Manual
Default
TLV LAL LDL Alarm
Level 1
1 ppm 10 ppb 8 ppb 500 ppb
1 ppm 1 ppm 0.5 ppm 10 ppm
1 ppm 20 ppb 15 ppb 500 ppb 1000 ppb 15-2000 ppb
1 ppm 1 ppm 0.5 ppm 10 ppm
1 ppm 20 ppb 15 ppb 500 ppb
1 ppm 1 ppm 0.5 ppm 10 ppm
Table C-1: Chemcassette Detectable Gases (cont'd)
Default
Alarm Range Alarm Setting
Level 2
10-99 ppb
100-499 ppb
1000
8-2000 ppb 500-999 ppb
ppb
1000-2000 ppb
1-4.9 ppm
5-9.9 ppm
20 ppm 0.5-50 ppm
10-50 ppm
20-99 ppb
100-199 ppb
200-399 ppb
400-2000 ppb
1-4.9 ppm
5-9.9 ppm
20 ppm 0.5-50 ppm
10-50 ppm
20-99 ppb
100-199 ppb
1000
15-2000 ppb 200-399 ppb
ppb
400-1500 ppb
1-4.9 ppm
5-9.9 ppm
20 ppm 0.5-50 ppm
10-50 ppm
C-10
Time to 1 TLV
Initial
Alarm @ 2 TLV
Analysis Chemcassette
Concentration
Period Part Number
10 Foot Sample
(seconds)
Line
480
240
120 <30 sec 874304
60
0*
30 <5 sec
15 (Alarm @ 10 ppm
1258-9300
5 with 20 ppm H S
2
0* gas)
120
<15sec
60
(Alarm @ 500
30 1258-9300
ppb with 1000
15
ppb H S gas)
5*
2
30
<5 sec
15
(Alarm @ 10
1874-9300
5 ppm with 20
0* ppm H S gas)
2
120
<15 sec
60
(Alarm @ 500
30 1874-9300
ppb with 1000
15
ppb H S gas)
5*
2
30
15
<5 sec 1874-9300
5
0*