Honeywell Midas User Manual page 153

Gas Name Formula Range
Hexafluorobutadiene
(w/HTP pyro) High C F ** 0-80 ppm
4 6
Range
0-100%
Hydrogen (%LEL) 7 H 4.5% LEL
LEL 1
2
Hydrogen (ppm) H 0-1000 ppm 120 ppm
2
Hydrogen Bromide HBr 0-8 ppm 0.95 ppm
Hydrogen Chloride HCl 0-8 ppm 0.95 ppm
Hydrogen Chloride
HCl 0-15 ppm
High Range
Hydrogen Cyanide HCN 0-20 ppm 2.4 ppm
Hydrogen Fluoride HF 0-12 ppm 1.45 ppm
Hydrogen Fluoride
HF 0 - 2 ppm 0.45 ppm
Low Range
Hydrogen Fluoride
HF 0.18-2 ppm 0.24 ppm
Low Level
Lower
Default Default Sensor Part
Alarm
Alarm 1 Alarm 2 Number
Limit
20 ppm 20 ppm 40 ppm MIDAS-E-CFH
10% LEL 20% LEL MIDAS-S/E-LEL 8
125 ppm 250 ppm MIDAS-S/E-H2X
1 ppm 2 ppm MIDAS-S/E-HCL
1 ppm 2 ppm MIDAS-S/E-HCL
5 ppm 5 ppm 10 ppm MIDAS-E-HCH
2.5 ppm 4.7 ppm MIDAS-S/E-HCN
1.5 ppm 3 ppm MIDAS-S/E-HFX
0.45 ppm 0.5 ppm MIDAS-S/E-HFU
0.25 ppm 0.5 ppm MIDAS-S/E-HFL
Maximum Flow
Sensor
Sensor Gas Rate
Cartridge
Calibration
Warm-up Time ID (cc/
ID
Gas
(minutes) min)
20 31 1 500 HF
3 2
H
2
30 25 1 10 500
CH
4
10 16 1 500 H
2
20 10 4 500 HCl
20 10 1, 5 10 500 HCl
20 30 1 500 HCl
10 17 1 500 HCN
20 08 1 500 HF
20 32 1 500 HF
20 26 1 500 HF
B-4
Midas
Calibration Bump Test
Output Exp Recommended
Conc Conc
Equiv. Time Bump Test
(ppm) (ppm)
(ppm) (sec) Gas
10 43.41 300 Cl 10
2
2
50%
2 vol% 50% LEL 300 H
LEL
2
2.5 50%
44% LEL 300 CH
vol% LEL
4
500 500 300 H 500
2
4 4.7 300 HCl 4-6
4 4 300 HCl 4-6
10 10 300 HCl 10
10 10 300 SO 4
2
5 5 300 Cl 10
2
1 1 300 Cl 1
2
1 1 300 Cl 1
2
Gas Detector
®
Recommended
Maximum End of Lne
Max
Sample Line Filter
Time
Length (m)
(sec)
780248 2 ,
1991-0147
180 30
or
1830-0055
780248,
1991-0147
180 30
or
1830-0055
780248,
1991-0147
180 30
or
1830-0055
780248,
1991-0147
180 30
or
1830-0055
1991-0147
180 5 or
4
1830-0055
1991-0147
180 5 4 or
1830-0055
1991-0147
180 5 or
1830-0055
780248,
1991-0147
180 10
or
1830-0055
1994-0147
180 5 4 or 1830-
0055
1991-0147
180 5 or
1830-0055
1991-0147
180 5 or
1830-0055