Specifications – RKI Instruments M2A User Manual
Page 7

M2A Transmitter Operator’s Manual
2
Specifications
Table 1 lists specifications for the M2A.
Table 1: M2A Specifications
Target Gas/Detection Range
Combustible Gas/Carbon Dioxide (CO
2
)
•
Catalytic LEL: 0 - 100% LEL, 1% LEL increments (CH
4
calibration unless otherwise
specified. H
2
specific detector available)
•
IR (infrared) CH
4
LEL: 0 - 100% LEL, 1% LEL increments
•
IR HC LEL: 0 - 100% LEL, 1% LEL increments (propane calibration)
•
IR CH
4
Volume: 0 - 100 % volume, 1% increments
•
IR CO
2
ppm: 0 - 5,000 ppm, 20 ppm increments
•
IR CO
2
Volume: 0 - 5.00 % volume, 0.01% increments
•
IR CO
2
Volume: 0 - 50.0 % volume, 0.1% increments
•
IR CO
2
Volume: 0 - 100 % volume, 1% increments
Oxygen
•
Oxygen (O
2
): 0 - 25.0 % volume, 0.1% increments
CO/H
2
S
•
Carbon Monoxide (CO): 0 - 300 ppm, 1 ppm increments
•
Hydrogen Sulfide (H
2
S): 0 - 100 ppm, 1 ppm increments
ESM-01 Toxic
•
Ammonia (NH
3
): 0 - 75.0 ppm, 0.1 ppm increments
•
Arsine (AsH
3
): 0 - 1.50 ppm, 0.01 ppm increments
•
Chlorine (Cl
2
): 0 - 3.00 ppm, 0.01 ppm increments
•
Chlorine (Cl
2
): 0 - 10.0 ppm, 0.1 ppm increments
•
Hydrogen Cyanide (HCN): 0 - 15.0 ppm, 0.1 ppm increments
•
Phosphine (PH
3
): 0 - 1.00 ppm, 0.01 ppm increments
•
Sulphur Dioxide (SO
2
): 0 - 6.00 ppm, 0.01 ppm increments
Alarm Settings
(Alarm 1/Alarm 2)
Combustible Gas (%LEL): 10 %LEL/50 %LEL
Combustible Gas (%Volume): 100 %/100 %
CO2 0 - 5,000 ppm: 2,500 ppm/5,000 ppm
CO2 0 - 5.00%: 0.50 %/3.00 %
CO2 0 - 50.0%: 50.0%/50.0%
CO2 0 - 100%: 100%/100%
Oxygen: 19.5%(decreasing)/23.5%(increasing)
Carbon Monoxide: 25 ppm/50 ppm
Hydrogen Sulfide: 10 ppm/50 ppm
Ammonia: 12 ppm/25 ppm
Arsine: 0.20 ppm/0.50ppm
Chlorine (0 - 3.00 ppm): 0.50 ppm/1.50 ppm
Chlorine (0 - 10.0 ppm): 1.0 ppm/3.0 ppm
Hydrogen Cyanide: 5.0 ppm/10.0 ppm
Phosphine: 0.10 ppm/0.30 ppm
Sulphur Dioxide: 1.00 ppm/2.00 ppm
Construction (housing)
Explosion-proof Junction Box, NEMA 4X
Area Classification
Explosion-proof for Class I, Groups B, C, and D (Combustible, CO
2
, CSA Type CO and
H
2
S, and CSA Type oxygen)
Sampling Method
Diffusion