RKI Instruments M2A Operator's Manual page 8

Alarm Settings
(Alarm 1/Alarm 2)*,
cont'd
Construction (housing)
Area Classification
Sampling Method
Input Power
Controls
Weight
Signal Output
Operating Temperature
8
1.800.561.8187
Table 1: M2A Specifications
Carbon Monoxide (all ranges): 25 ppm / 50 ppm
Chlorine (0 - 3.00 ppm): 0.50 ppm / 1.00 ppm
Chlorine (0 - 5.00 ppm): 0.50 ppm / 1.50 ppm
Chlorine (0 - 10.0 ppm): 1.0 ppm / 3.0 ppm
Chlorine Dioxide (0 - 1.00 ppm): 0.10 ppm / 0.30 ppm
Chlorine Dioxide (0 - 3.00 ppm): 0.30 ppm / 1.00 ppm
Chlorine Dioxide (0 - 5.00 ppm): 0.50 ppm / 1.00 ppm
Combustible Gas (%LEL): 10 %LEL / 50 %LEL
Combustible Gas (0-100%Volume): 100 % / 100 %
Hydrogen Cyanide: 5.0 ppm / 10.0 ppm
Hydrogen Sulfide (0 - 50 ppm): 5.0 ppm / 10.0 ppm
Hydrogen Sulfide (0 - 100 ppm): 10 ppm / 50 ppm
Methane (ppm): 5000 ppm / 8000 ppm
Methane (0-5.00%Volume): 0.5% / 2.5 %
Oxygen: 19.5% (decreasing) / 23.5% (increasing)
Phosphine: 0.10 ppm / 0.30 ppm
Sulphur Dioxide: 1.00 ppm / 2.00 ppm
Explosion-proof Junction Box, NEMA 4X
Explosion-proof for Class I, Groups B, C, and D (Combustible, CO
and CSA Type oxygen)
Diffusion
10 - 30 VDC
• Three push button switches
• Three magnetic switches for non-intrusive calibration
4.5 lbs.
• 4 to 20 mA with impedance maximums listed below
-12 VDC input: 500 ohms impedance max
-24 VDC input: 1000 ohms impedance max
• RS-485 Modbus
Catalytic LEL/ppm
Oxygen
H S
2
CO
Toxic (ESM-01)
Toxic (CT-7 Series)
Infrared Combustible
Infrared CO
2
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Explosion Proof
-40°C to 75°C
-20°C to 45°C
-40°C to 40°C
-5°C to 40°C
N/A
N/A
-20°C to 50°C
-20°C to 50°C
M2A Transmitter Operator's Manual
information@itm.com
, CSA Type CO and H S,
2 2
Non-Explosion Proof
N/A
-20°C to 50°C
-40°C to 50°C
-20°C to 50°C
-10°C to 40°C
-20°C to 40°C
-40°C to 50°C
-40°C to 50°C