RKI Instruments M2A - Page 9

M2A Transmitter Operator’s Manual 9
WARNING: When using the M2A, you must follow the instructions and warnings in this manual to
assure proper and safe operation of the M2A and to minimize the risk of personal injury. Be
sure to maintain and periodically calibrate the M2A as described in this manual.
Accuracy Catalytic Combustible Gas (LEL range):
± 5% of reading or ± 2% LEL (whichever is greater)
Catalytic CH
4
(ppm range):
± 5% of reading or ± 50 ppm (whichever is greater)**
IR Combustible Gas/IR CO
2
:
± 5% of reading or ± 2% of full scale (whichever is greater)
Oxygen
:
± 0.5% O
2
Hydrogen Sulfide:
± 5% of reading or ± 2 ppm H
2
S (whichever is greater)
Carbon Monoxide
:
± 5% of reading or ± 5 ppm CO (whichever is greater)
Toxic Sensors (ESM-01 Type and CT-7 Series Type)
:
± 10% of reading or ± 5% of full scale (whichever is greater)
*
These are RKI factory settings. See “Viewing & Changing M2A Parameters” on page 42 to change the alarm settings.
**
Independent of zero drift.
Table 1: M2A Specifications
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