CM4 Four-Point Continuous Monitor
CM4 Technical Manual
C-6
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
Germane XP4
(GeH
4
)
200 ppb 100 ppb 100 ppb 200 ppb 400 ppb
100-2000
ppb
100-149 ppb
150-199 ppb
200-2000 ppb
480
360
240
5*
<240 sec
1258-9300
Hydrazine
(N
2
H
4
)
10 ppb
10 ppb
10 ppb 100 ppb 200 ppb 10-1000 ppb
10-14 ppb
15-19 ppb
20-1000 ppb
600
360
240
5*
<360 sec
874347
Hydrogen Bromide
(HBr)
2 ppm 0.5 ppm 0.3 ppm
2 ppm
4 ppm
0.3-30 ppm
0.5-2.9 ppm
3-5.9 ppm
6-8.9 ppm
9-30 ppm
45
30
15
10
2*
<20 sec
874337
Hydrogen Bromide XP
(HBr)
2 ppm 0.3 ppm 0.2 ppm
2 ppm
4 ppm
0.2-20 ppm
0.3-1.9 ppm
2-20 ppm
45
30
5*
<20 sec
1874-9310
Hydrogen Bromide XP4
(HBr)
Low Level
2 ppm
30 ppb
20 ppb 200 ppb 400 ppb 20-2000 ppb
30-99 ppb
100-399 ppb
400-2000 ppb
180
120
60
5*
<60 sec
(Alarm @ 500
ppb with 1000
ppb HBr gas)
1258-9310
Hydrogen Bromide
(HBr)
Low Level
2 ppm 100 ppb 50 ppb 500 ppb
1000
ppb
50-2000 ppb
100-249 ppb
250-499 ppb
500-749 ppb
750-2000 ppb
240
120
60
30
5*
<60 sec
(Alarm @ 500
ppb with 1000
ppb HBr gas)
874337
Hydrogen Bromide XP
(HBr)
Low Level
2 ppm
30 ppb
20 ppb 200 ppb 400 ppb 20-2000 ppb
30-99 ppb
100-399 ppb
400-2000 ppb
180
120
60
5*
<60 sec
(Alarm @ 500
ppb with 1000
ppb HBr gas)
1874-9310
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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