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M300EU GETTING STARTED
(Addendum to M300EU Manual - P/N 04145)
3.5. INITIAL CALIBRATION
3.5.1. PRE-CALIBRATION STABILIZATION
Before initially calibrating the M300EU it must be allowed to operate for a minimum of 12 hours.
After this stabilization period is complete and just prior to performing the initial calibration, manually initiate an
auto-reference measurement by following the instructions in Section 6.4.
3.5.2. BASIC CO CALIBRATION SETUP
NOTE
The following procedure assumes that the instrument does not have any of the available Zero/Span
Valve Options installed.
To perform the following calibration you must have sources for zero air and span gas available for input into the
sample port on the back of the analyzer. See Section 3.1.3 of the M300E/EM Operators Manual (P/N 04288) for
instructions for connecting these gas sources.
NOTE
All Gas lines should be PTFE (Teflon), FEP, glass, stainless steel or brass
3.5.2.1. Calibration Gases
The information found in Section 3.1.3.2 of the M300E/EM Operators Manual (P/N 04288) is applicable to the
M300EU with the following exception:
ZERO AIR
A gas that is similar in chemical composition to the earth’s atmosphere but scrubbed of all components
that might affect the analyzers readings, in this case CO and water vapor.
For the M300EU this gas MUST include at least 5% O
2
(required for the proper operation of the
analyzer’s CO scrubber).
For analyzers without an IZS or external zero air scrubber option, a zero air generator such as the
Teledyne Instruments Model 701 can be used.
NOTE
The zero air generator MUST be equipped with a hydrocarbon (HC) & CO scrubber option.
For the Teledyne Instruments M701, this is Option 2B
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