Chord “L” Dimension Calculation
The chord “L” dimension is calculated from the meter housing length as well as the
transducer pair lengths, mount lengths, holder lengths, and stalk lengths as shown in
Equation 3-1. The transducer lengths are etched on the transducers. Likewise, the lengths
of the mounts, stalk assemblies, and transducer holders are also etched on the individual
components. The length of the meter body is found on the original calibration sheet
supplied with the meter.
Equation 3-1: Chord “L” Dimension
L
cℎord
= L
MeterHousing
+ L
Mount1
+ L
Mount2
−L
Xdrc1
− L
Stalk1
− L
Hldr1
−L
Xdrc2
− L
Stalk2
− L
Hldr2
where
L
chord
= chord “L” dimension (in) (LA ... LD)
L
MeterHousing
= meter housing length (in)
L
Mount1
= transducer 1 mount length (in)
L
Mount2
= transducer 2 mount length (in)
L
Xdcr1
= transducer 1 length (in)
L
Xdcr2
= transducer 2 length (in)
L
Stalk1
= transducer 1 stalk length (in)
L
Stalk2
= transducer 2 stalk length (in)
L
Hldr1
= transducer 1 holder length (in)
L
Hldr2
= transducer 2 holder length (in)
Tip
The transducer “L” dimension is re-calculated when you run the Transducer Swap-out
utility.
3.4 T-Slot transducer holder removal and
installation
WARNING
CONTENTS MAY BE UNDER PRESSURE
When the meter is under pressure, DO NOT attempt to remove or adjust the transducer
holder.
Attempting to do so may release pressurized gases, resulting in serious injury or
equipment damage.
Maintenance and Troubleshooting manual Meter repairs
P/N 3-9000-769 June 2019
Maintenance and Troubleshooting manual 65
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