Honeywell CM4 Technical Handbook page 137

CM4 Four-Point Continuous Monitor
Gas Name
Hydrogen Fluoride XP4
(HF)
Hydrogen Iodide
(HI)
Hydrogen Selenide
(H Se)
2
Hydrogen Selenide XP
(H Se)
2
Hydrogen Selenide XP4
(H Se)
2
Hydrogen Sulfide
(H S)
2
Hydrogen Sulfide
(H S)
2
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
2 ppm 0.4 ppm 0.4 ppm 2 ppm
None
Estab- 0.2 ppm 0.1 ppm 3 ppm
lished
50 ppb 8 ppb 6 ppb 50 ppb
50 ppb 8 ppb 6 ppb 50 ppb
50 ppb 8 ppb 6 ppb 50 ppb
1 ppm 0.5 ppm 10 ppm
1 ppm
2 ppm 1 ppm 10 ppm
1 ppm
Table C-1: Chemcassette Detectable Gases (cont'd)
Default
Alarm Range Alarm Setting
Level 2
0.4-0.9 ppm
1-3.9 ppm
4 ppm 0.4-20 ppm
4-20 ppm
0.2-1.4 ppm
6 ppm 0.1-25 ppm 1.5-25 ppm
8-49 ppb
50-99 ppb
100 ppb 6-500 ppb
100-500 ppb
8-49 ppb
50-99 ppb
100 ppb 6-500 ppb
100-500 ppb
8-49 ppb
50-99 ppb
100 ppb 6-500 ppb
100-500 ppb
1-9.9 ppm
10-19.9 ppm
0.5-100 ppm 20-39.9 ppm
20 ppm
40-100 ppm
2-9.9 ppm
10-19.9 ppm
1-50 ppm 20-39.9 ppm
20 ppm
40-50 ppm
C-9
Time to 1 TLV
Initial
Alarm @ 2 TLV
Analysis Chemcassette
Concentration
Period Part Number
10 Foot Sample
(seconds)
Line
240
90
<30 sec 1258-9310
60
0*
240
60 <20 sec 874337
2*
180
120
<35 sec 874300
60
5*
180
120
<100 sec 1874-9300
60
5*
180
120
<100 sec 1258-9300
60
5*
30
15
10 874304
<10 sec
5
0*
60
45
30 874300
<10 sec
15
0*