Data Recording Devices; Calibration Procedures; Calibration And Check Procedures For Basic Configuration - Teledyne T400 User Manual

4.1.6 D R
ATA ECORDING
A strip chart recorder, data acquisition system or digital data acquisition system should be
used to record data from the serial or analog outputs.
• If analog readings are used, the response of the recording system should be
• Data recording devices should be capable of bi-polar operation so that negative
• For electronic data recording, make use of the internal data acquisition system (DAS)
4.2

CALIBRATION PROCEDURES

Check that the pneumatic connections for the specific instrument configuration are as
instructed in Section 2.3.2.
Verify/change (if needed) the settings as follows:
• User Units (unit of measure): PPB (Setup>Vars>User Conc Units)
• Min and Max Concentration Range (Max should be highest concentration
expected to measure) (Setup>Analog Outputs>Analog Output[#], Signal Out,
[Gas] Concentration)
Range Mode: SNGL (Setup>Vars>Range Mode)
•
Note
To calibrate or to perform a calibration check for basic configuration instruments, see
Section 4.2.1.
To calibrate or to perform a calibration check for instruments with valve options, see
Section 4.2.2.
To perform automatic calibration check for instruments with the internal span gas
generator, see Section 4.3.
4.2.1 C
ALIBRATION AND
Although this Section uses the Calibration menu for both check and actual calibration, a
check does not require the Calibration menu. Instead, while in Home page, simply flow
the zero air or the applicable span gas through the Sample port, and check the reading
after the Stability falls below 1.0 PPB (either in the gas graph or in the Dashboard).
Otherwise, follow the steps presented in Sections 4.2.1.1 and 4.2.1.2.
083730400A DCN8130
D
EVICES
checked against a NIST traceable voltage source or meter.
readings can be recorded.
by setting up the Data Logger.
Tips for Setting the Expected Span Gas Concentration:
• When setting expected concentration values, consider
impurities in your span gas source.
• The expected span gas concentration should be 80% of
the reporting range of the instrument.
C P
HECK ROCEDURES FOR
Teledyne API – Model T400 O
B C
ASIC ONFIGURATION
Analyzer
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