Mounting Positions - Vortex MTGB Series User Manual

Table three measuring range of liquid and gas
Note: refe!'ence flнid: liqнid: water at rоош tempeгatн!'e (taa20, Р" lOOOkg/mЗ); gas:
tempe!'atнre and atmospheric p!'essнre (taa20,PaaO.lMPa, Р aal.205kg/m3)
Table four common gas density
Note: accol'ding to tl1e l'elationship between the p1·essнl'e О!' tempe!'atнre and
app!'oximated Ьу а linear relatio11ship between the gas de11sity, p!'essн!'e апd temper·atнre of otheг Р
нпdеr ТАррІу formнla:
р = р, х 2893Р + (T+273.15)Available
8
Сошраnу: ш'/h
аі!' at 1·oom
Соmрапу: Кg/ш'
deпsity сап Ье
o
4. Cautions for lnstallation

4.1 Mounting Positions

•
Pip es must Ье fully filled with liquids. lt is essential that pipes remain fully
filled at аІІ times, otherwise flow rate indications may Ье affected and measurement
errors may Ье caused.
Mountlng Positions
•
Avoid Air Bubbles. If air bubbles enter а measurement ріре,
indications may Ье affected and measurement errors may Ье caused.
Avoiding Air Bubbles
.
Avoid аІІ ріре locations where the flow is pulsating, such as in the outlet
.
side of piston or diaphragm pumps.
Avoid locations near equipment producing
electric motors, transformers, variable frequency, etc.
•
Install the meter with enough room for future
purposes.
&
Warning: Precaution for direct sunshine and rain when the meter is installed
outside.
9
flow rate
electrical interference such as
access for maintenance