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Installation and Configuration Manual 9
Installation (Short Stem)
Installation (Short Stem) Electrical ConnectionsInstallation (Long Stem)Introduction
2.3.2 Meter orientation
The meter must always be installed horizontally, and orientated to allow flow in the gap between the
tines. This is irrespective of the pipe line orientation, and helps to prevent the trapping of bubbles or
solids on the meter.
Main flow pipe size 100 mm (4") horizontal
150 mm (6") vertical, or larger.
100 mm (4") horizontal or
larger.
Any.
Advantages •Simple installation in large bore
pipes.
• Ideal for clean fluids and
non-waxing oils.
• Suitable for line viscosity
measurement and simple
referrals.
• Simple installation in large
bore pipes.
• Ideal for clean fluids and
non-waxing oils.
• Suitable for line viscosity
measurement and simple
referrals.
• Adaptable installation to
any diameter main pipe
and for tank applications.
• Ideal for flow and
temperature conditioning.
• Suitable for complex
referrals and for use with
heat exchangers.
• Suitable for step changes
in viscosity.
• Fast response.
• Ideal for analyser
cubicles.
Not recommended
for
• Dirty fluids.
• Low or unstable flow rates.
• Where step changes in
viscosity can occur.
• For small bore pipes.
• Dirty fluids
• Low or unstable flow rates.
• Where step changes in
viscosity can occur.
• for small bore pipes.
• Where temperature effects
are significant.
• Uncontrolled flow rates.
• Careful system design
required to ensure
representative
measurement.
• Frequently requires the
use of a pump.
(1)
Approval for use in hazardous areas is limited to –40 to +200°C (–40 to +392°F)
Table 2-1. Types of standard installations continued
Installation type Free stream T-piece Flow-through chamber