Honeywell Vertex M - H 2 S LL Hydrogen Sulfide (Low Level); 2 Nitrogen Dioxide; NF 3 Nitrogen Trifluoride; Phosgene

Gas Name
1
TLV LAL LDL
Default
Alarm
Level 1
Default
Alarm
Level 2
Range Alarm Setting
Initial Ana-
lysis Period
(second)
Time to 1 TLV (Alarm @ 2 TLV Concentration 10-ft.
Sample Line)
Chemcassette
Part Number
Hydrogen Sulfide
(H
2
S) (Hydrides)
1 ppm 2 ppm 1 ppm 10 ppm 20 ppm 0-50 ppm
2-9.9 ppm
10-19.9 ppm
20-39.9 ppm
40-50 ppm
60
45
30
15
<20 sec (Alarm @ 10 ppm with 20 ppm H
2
S gas) 1295-0300
Hydrogen Sulfide
(H
2
S) Low Level
1 ppm 10 ppb 8 ppb 250 ppb 500 ppb 0-2000 ppb
10-99 ppb
100-499 ppb
500-999 ppb
1000-2000 ppb
480
240
120
60
<40 sec (Alarm @ 500 ppb with 1 ppm H
2
S gas) 1295-0223
Hydrogen Sulfide XP
(H
2
S)
1 ppm 1 ppm 0.5 ppm 10 ppm 20 ppm 0-50 ppm
1-4.9 ppm
5-9.9 ppm
10-50 ppm
30
15
10
<20 sec (Alarm @ 10 ppm w/ 20 ppm H
2
S gas) 1295-0226
Hydrogen Sulfide
XP4 (H
2
S)
1 ppm 1 ppm 0.5 ppm 10 ppm 20 ppm 0-50 ppm
1-4.9 ppm
5-9.9 ppm
10-50 ppm
30
15
10
<20 sec (Alarm @ 10 ppm with 20 ppm H
2
S gas) 1257-9300
Hydrogen Sulfide XP
(H
2
S) Low Level
1 ppm 20 ppb 15 ppb 500 ppb 1000 ppb 0-2000 ppb
20-99 ppb
100-199 ppb
200-399 ppb
400-2000 ppb
120
60
30
15
<25sec (Alarm @ 500 ppb with 1000 ppb H
2
S gas) 1295-0226
Hydrogen Sulfide
XP4 (H
2
S) Low Level
1 ppm 20 ppb 15 ppb 500 ppb 1000 ppb 0-2000 ppb
20-99 ppb
100-199 ppb
200-399 ppb
400-2000 ppb
120
60
30
15
<15sec (Alarm @ 500 ppb with 1000 ppb H
2
S gas) 1257-9300
Nitrogen Dioxide
(NO
2
)
0.2 ppm 0.5 ppm 0.3 ppm 3 ppm 6 ppm 0-30 ppm
0.5-8.9 ppm
9-30 ppm
240
120
<130 sec (Alarm @ 3ppm with 6ppm NO
2
gas) 1295-0220
Nitrogen Trifluoride
(NF
3
) Pyrolyzer Only
10 ppm 1 ppm 1 ppm 10ppm 20 ppm 0-50 ppm
1-9.9 ppm
10-19.9 ppm
20-39.9 ppm
40-50 ppm
40
20
10
10
<70 sec 1295-0225
Nitrogen Trifluoride
XP (NF
3
) Pyrolyzer
Only
10 ppm 1 ppm 1 ppm 10 ppm 20 ppm 0-50 ppm
1-9.9 ppm
10-19.9 ppm
20-39.9 ppm
40-50 ppm
30
15
10
10
<20 sec 1295-0507
Nitrogen Trifluoride
XP4 (NF
3
) Pyrolyzer
Only
10 ppm 1 ppm 1 ppm 10 ppm 20 ppm 0-50 ppm
1-9.9 ppm
10-19.9 ppm
20-39.9 ppm
40-50 ppm
30
15
10
10
<20 sec 1257-9310
Phosgene XP
(COCl
2
)
100 ppb 10 ppb 7 ppb 100 ppb 200 ppb 0-1000 ppb
10-49 ppb
50-99 ppb
100-199 ppb
200-1000 ppb
60
45
30
15
<25 sec 1295-0228
TLV - Threshold Limit Value LAL - Lowest Alarm Level LDL - Lower Detectable Limit
1. “-1” calibrations allow more stain development but will extend response times
2. Minimum Sample Time