Honeywell Midas User Manual

Midas
®
Gas Detector
B-3
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)
Carbon Monoxide CO 0-100 ppm 12 ppm 12.5 ppm 25 ppm MIDAS-S/E-COX 10 15 1 500 CO 50 50 300 CO 50 180 30
780248,
1991-0147
or
1830-0055
Chlorine Cl
2
0-2 ppm 0.24 ppm 0.25 ppm 0.50 ppm MIDAS-S/E-HAL 10 12 1 500 Cl
2
1 1 300 Cl
2
1 180 10
1991-0147
or
1830-0055
Chlorine Dioxide ClO
2
0-0.4 ppm 0.048 ppm 0.05 ppm 0.1 ppm MIDAS-S/E-BR2 20 13 2 500 Cl
2
0.2 0.27 300 Cl
2
0.2 180 10
1991-0147
or
1830-0055
Diborane B
2
H
6
0-400 ppb 48 ppb 50 ppb 100 ppb MIDAS-S/E-B2H 20
3
33 1 500 B2H6 0.2 0.2 300 PH
3
0.3 180 30
780248 2,
1991-0147
or
1830-0055
Dichlorosilane SiH
2
Cl
2
0-8 ppm 0.95 ppm 1 ppm 2 ppm MIDAS-S/E-HCL 20
3
10 3 500 HCl 4 4 300 HCl 4-6 180 5
4
1991-0147
or
1830-0055
Dichlorosilane
High Range
H
2
SiCl
2
0-15 ppm 5 ppm 5 ppm 10 ppm MIDAS-E-HCH 20 30 2 500 HCl 10 10 300 HCl 10 180 5
1991-0147
or
1830-
0055"
Difluoromethane CH
2
F
2
0-120 ppm 8 ppm 15 ppm 30 ppm MIDAS-S/E-XCF 20
3
35 3 500 HF
2
5 40 300 Cl
2
2
5 180 30
780248
2
,
1991-0147
or
1830-0055
Disilane Si
2
H
6
0-20 ppm 2.4 ppm 2.5 ppm 5 ppm MIDAS-S/E-SHX 20 05 2 500 SiH
4
10 11.3 300 H
2
S 50 180 10
Ethylene C
2
H
4
0-100% LEL 4.5% LEL 10% LEL 20% LEL MIDAS-S/E-LEL 30 25 5 500
C
2
H
4
1.35 vol% 50 %LEL 300 C
2
H
4
180 30
H
2
2 vol%
1.35 vol%
2 vol%60 %LEL 300 H
2
180 30
780248,
780248,
1991-0147 or
1830-0055
1991-0147
or 1830-0055
Fluorine F
2
0-4 ppm 0.48 ppm 0.50 ppm 1 ppm MIDAS-S/E-HAL 10 12 2 500 Cl
2
2 2 300 Cl
2
2 180 10
1991-0147
or
1830-0055
Germane GeH
4
0-800 ppb 95 ppb 100 ppb 200 ppb MIDAS-S/E-ASH 20 02 2 500 AsH
3
0.1 0.54 300 PH
3
0.1 180 30
780248,
1991-0147
or
1830-0055
Hexafluorobutadiene C
4
F
6
0-40 ppm 4.0 ppm 5 ppm 10 ppm MIDAS-S/E-XCF 20
3
35 1 500 HF
2
5 10.38 300 Cl
2
2
5 180 30
780248
2
,
1991-0147
or
1830-0055

Honeywell Midas Specifications

General

Power Supply	24 VDC
Detection Technology	Electrochemical, Infrared
Sampling Method	Diffusion
Display	LCD
Communication	Modbus RTU, 4-20mA
Operating Temperature	-20°C to +50°C
Humidity Range	0% to 95% RH (non-condensing)
Target Gas	Multiple gases
Response Time	< 30 seconds
Operating Humidity	0% to 95% RH (non-condensing)
Outputs	4-20mA
Protection Rating	IP66
Certifications	ATEX, UL, CSA
Detection Gases	Oxygen (O2), Carbon Monoxide (CO), Hydrogen Sulfide (H2S), Methane (CH4), and others