Honeywell CM4, Technical Handbook

Page: 139 / 202

CM4 Four-Point Continuous Monitor
CM4 Technical Manual C-11
Gas Name
TLV LAL LDL
Default
Alarm
Level 1
Default
Alarm
Level 2
Range Alarm Setting
Initial
Analysis
Period
(seconds)
Time to 1 TLV
Alarm @ 2 TLV
Concentration
10 Foot Sample
Line
Chemcassette
Part Number
Hydrogen Sulfide XP4
(H
2
S)
Dry
XP4 Hydrides
1 ppm 1 ppm 0.5 ppm 10 ppm 20 ppm 0.5-50 ppm
1-4.9 ppm
5-9.9 ppm
10-50 ppm
30
15
5
0*
<5 sec 1258-9300
Methyl Fluoride
(CH
3
F)
CM4-P only
None
Estab-
lished
12 ppm 10 ppm 25 ppm 50 ppm 10-100 ppm
12-24.9 ppm
25-100 ppm
120
60
5*
<54 sec 874337
Monomethyl Hydrazine
(MMH)
10 ppb 5 ppb 3 ppb 10 ppb 20 ppb 3-2000 ppb
5-19 ppb
20-2000 ppb
240
120
5*
<240 sec 874347
Nitrogen Dioxide
(NO
2
)
3 ppm 0.5 ppm 0.3 ppm 3 ppm 6 ppm 0.3-30 ppm
0.5-8.9 ppm
9-30 ppm
240
120
5*
<234 sec 1874-9306
Nitrogen Trifluoride
(NF
3
)
CM4-P only
10 ppm 1 ppm 1 ppm 10 ppm 20 ppm 1-50 ppm
1-9.9 ppm
10-19.9 ppm
20-39.9 ppm
40-50 ppm
40
20
10
5
0*
<60 sec 874337
Nitrogen Trifluoride XP
(NF
3
)
CM4-P only
10 ppm 1 ppm 1 ppm 10 ppm 20 ppm 1-50 ppm
1-9.9 ppm
10-19.9 ppm
20-39.9 ppm
40-50 ppm
30
15
10
5
0*
<10 sec 1874-9310
Nitrogen Trifluoride XP4
(NF
3
)
CM4-P only
10 ppm 1 ppm 1 ppm 10 ppm 20 ppm 1-50 ppm
1-9.9 ppm
10-19.9 ppm
20-39.9 ppm
40-50 ppm
30
15
10
5
0*
<10 sec 1258-9310
Table C-1: Chemcassette Detectable Gases (cont’d)
* = Minimum Sample Time TLV = Threshold Limit Value LAL = Lowest Alarm Level LDL = Lower Detectable Limit
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