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FAQ Model GFC7000TA Carbon Dioxide Analyzer
Teledyne Analytical Instruments 46
Q: Where is the sintered filter/sample flow control orifice?
A: These components are located inside the flow control assembly that is attached to the inlet side of
the sample pump, see Figure 3-3. See Section 11.6.1 for instructions on disassembly and
replacement.
Q: How do I set up a SEQUENCE to run a nightly calibration check?
A: The setup of this option is located in Section 7.6.
Q: How do I set the analog output signal range and offset?
A: Instructions for this can be found in Section 6.13.4 which describes analog I/O configuration.
Q: What is the averaging time for an GFC 7000TA?
A: The default averaging time, optimized for ambient pollution monitoring, is 150 seconds for stable
concentrations and 10 seconds for rapidly changing concentrations; See Section10.5.1 for more
information. However, it is adjustable over a range of 0.5 second to 200 seconds (please contact
customer service for more information).
4.2. Glossary
Note: Some terms in this glossary may not occur elsewhere in this manual.
Term Description/Definition
10BaseT an Ethernet standard that uses twisted (“T”) pairs of copper wires to transmit at
10 megabits per second (Mbps)
100BaseT same as 10BaseT except ten times faster (100 Mbps)
APICOM name of a remote control program offered by Teledyne to its customers
ASSY
Assembly
CAS
Code-Activated Switch
CD Corona Discharge, a frequently luminous discharge, at the surface of a
conductor or between two conductors of the same transmission line,
accompanied by ionization of the surrounding atmosphere and often by a power
loss
CE Converter Efficiency, the percentage of light energy that is actually converted
into electricity
CEM
Continuous Emission Monitoring
Chemical formulas that may be included in this document:
CO
2
carbon dioxide
C
3
H
8
propane
CH
4
methane
H
2
O water vapor
HC general abbreviation for hydrocarbon