Midas
®
Gas Detector
B-6
Gas Name Formula Range
Lower
Alarm
Limit
Default
Alarm 1
Default
Alarm 2
Sensor Part
Number
Maximum
Sensor
Warm-up Time
(minutes)
Sensor
Cartridge
ID
Gas
ID
Flow
Rate
(cc/
min)
Calibration Bump Test
Recommended
Maximum
Sample Line
Length (m)
End of Lne
Filter
Calibration
Gas
Conc
(ppm)
Output
Equiv.
(ppm)
Exp
Time
(sec)
Recommended
Bump Test
Gas
Conc
(ppm)
Max
Time
(sec)
Octofluorocyclopentene C
5
F
8
0-40 ppm 4.0 ppm 5 ppm 10 ppm MIDAS-S/E-XCF 20
3
35 2 500 HF
2
5 12.44 300 Cl
2
2
5 180 30
780248
2
,
1991-0147
or
1830-0055
780248
2
,
1991-0147
or
1830-0055
Oxygen Proficiency &
Deficiency
O
2
0-25 vol% 5 vol% 23.5 vol% 19.5 vol%
MIDAS-S/E-O2X 30 21 1 500 O
2
Air 21 vol% 300 O
2
Air 180 30
780248,
1991-0147
or
1830-0055
MIDAS-S/E-O2S 30 37 1 500 O
2
Air 21 vol% 300 O
2
Air 180 30
780248,
1991-0147
or
1830-0055
MIDAS-L-O2S 30 38 1 500 O
2
Air 21 vol% 300 O
2
Air 180 30
780248,
1991-0147
or
1830-0055
Ozone O
3
0-0.4 ppm 0.048 ppm 0.05 ppm 0.1 ppm MIDAS-S/E-O3X 20 22 1 500 O
3
0.2 0.2 300 NO
2
9
1 180 5
1991-0147
or
1830-0055
Ozone High Level O
3
0-0.7 ppm 0.085 ppm 0.3 ppm 0.6 ppm MIDAS-E-O3H 20 29 1 500 O
3
0.5 0.5 300 NO
2
9
2 180 5
1991-0147
or
1830-0055
Phosphine PH
3
0-1200 ppb 145 ppb 150 ppb 300 ppb MIDAS-S/E-PHX 20 36 1 500 PH
3
0.6 0.6 300 PH
3
0.6 180 30
Propylene C
3
H
6
0-100% LEL 4.5% LEL 10% LEL 20% LEL MIDAS-S/E-LEL 30 25 6 500
H
2
2 vol% 89 %LEL 300 H
2
2 vol% 180 30
C
3
H
6
1 vol% 50 %LEL 300 C
3
H
6
1 vol% 180 30
R134a C
2
H
2
F
4
0-1000 ppm 50 ppm 250 ppm 500 ppm MIDAS-S/E-XCF 20 35 4 500 HF 5 225 300 Cl
2
5 180 5
780248,
1991-0147
or
1830-0055
Propane (%LEL) C
3
H
8
US
Propane (%LEL) C
3
H
8
EU
C
3
H
8
0-100% LEL 4.5% LEL 10% LEL 20% LEL MIDAS-S/E-LEX
0-100% LEL 4.5% LEL 10% LEL 20% LEL MIDAS-S/E-LEX
30 38
1 500
C
3
H
8
1 vol% 1 vol%50% LEL 300
C
3
H
8
180 30
780248,
1991-0147
or
1830-0055
2 500
C
3
H
8
0.85
vol%
50% LEL 300
C
3
H
8
0.85
vol%
180 30
780248,
780248,
1991-0147
or 1830-0055
1991-0147
or 1830-0055
3 2 2