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2101510 Rev. AG
Page 2–29
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Detector Noise Values
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Detector Balance Values
2.13.5 Audit Logs
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Last 100 alarms
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Last 100 events
2.14 TCR Sample Probe (Optional Equipment)
The temperature compensated regulator (TCR) sample probe is used to capture
natural gas from the pipe line for NGC analysis. To capture the gas sample, it is
recommended the TCR sample probe be mounted horizontally. It can be mounted
vertically if this is more suitable to the installation.
TCR sample probe is specifically selected for operation with the NGC. The design
of the probe prevents icing without the need for electrical power.
It is the customer’s responsibility to install and weld a 3/4 –inch
female NPT standard pipeline coupling on the main meter run
gas flow pipe. This coupling allows installation of the TCR
sample probe.
to ensure the correct sample probe for installation. The length of
the sample probe is dependent on the diameter of the meter run.
ABB Totalflow recommends that a TCR be installed with the NGC. Refer to
Read the installation instructions in Chapter 2 to develop a
pipeline installation plan prior to actual installation.
Table 2–9 Optional Temperature Compensated Regulator (TCR)
Length
(inches)
Description
4
Temperature Compensated Sample Probe
/Regulator/Relief Valve
8
Temperature Compensated Sample Probe
/Regulator/Relief Valve
Figure 2-19 Temperature Compensated Regulator With Sample Probe
3/4" NPT
GAS FLOW
SAMPLE PROBE
CUSTOMER INSTALLED COUPLING
PRESSURE GAUGE
OUTLET PORT 1/4" NPT
RELIEF VALVE