YOKOGAWA EJA210E User Manual

<3. Installation>
32
IM01C25A01-01E
IMPORTANT
Thetransmittershouldbeinstalledatleast600mmbelow
thehighpressure(HP)processconnectiontoensurea
positiveheadpressureoflluid.Payspecialattentionto
vacuum applications.
Ifitcannotbeinstalledatleast600mmbelowtheHP
processconnection,pleaseusetheequationbelow:
h= × 0.102 [mm]
(P–P0)
ds
h: VerticalheightbetweentheHPprocessconnection
andthetransmitter(mm)
h≤0:Installthetransmitteratleasth(mm)belowthe
HP process connection
h>0:Installthetransmitteratmosth(mm)abovethe
HP process connection
P: Pressureinthetank(Paabs)
P0:Minimumworkingpressurelimitofthetransmitter(Pa
abs)Seebelowtable.
[ForlluidcodeA,B,C,D,E]
Wetted parts
material
code
Capillary
length
Process connection size
code
2, 8 3 4,W
SW
1 to 5m 6790 3190
6 to 10m 10030 3520
SE
1 to 5m 6790 3190
6 to 10m 10030 3520
SY
1 to 5m 3190
6 to 10m 3520
HW
1 to 5m 19150 6140
6 to 10m 8290
TW
1 to 5m 9620 3620
6 to 10m 4210
UW
1 to 5m 9540 4750
6 to 10m 6050
[Forlluidcode1,2,4]
Wetted parts
material
code
Capillary
length
Process connection size
code
2, 8 3 4,W
SW
1 to 5m 2570 320
6 to 10m 4680 530
SE
1 to 5m 2570 320
6 to 10m 4680 530
SY
1 to 5m 320
6 to 10m 530
HW
1 to 5m 10220 2050
6 to 10m 3450
TW
1 to 5m 4270 570
6 to 10m 960
ds:Specicgravityoflluid(at25°C).Seebelowtable.
Filluid
code
A, 1, 4 B C, 2 D E
ds:Specic
gravity
1.07 0.94 1.09
1.90 to
1.92
1.09
F0308.ai
P
Low pressure side
High
pressure
side
(+)
(–)
0
h
Figure 3.8 Example of Installation to Tank
(Caution on Installation)
3.4 Mounting the Flushing
Connection Ring
3.4.1 Mounting to Pressure Detector
Section
Theushingconnectionringismountedtothepressure
detectorsectionasshowninFigure3.9.
Atthefactoryshipment,theushingconnectionringis
alreadyassembledandattachedtoprocessdetector
section.
Ring holder
Spiral gasket
F0309.ai
View from pressure
detector section
Groove for
installing
spiral gasket
Pressure-detector section
Vent/Drain plug
Ring
Figure 3.9 Mounting to Pressure Detector Section
(1)Mounttheringholderontheringandlooselytighten
themountingscrews.
(2)Placethespiralgasketintheringgroove.Withthe
ringcorrectlyalignedandushwiththefaceofthe
pressuredetector,securelytighteneachringholder’s
mounting screws.
(3)Positiontheringsothatthevent/drainplugsare
alignedstraightupanddown.

YOKOGAWA EJA210E Specifications

General

Brand	YOKOGAWA
Model	EJA210E
Category	Transmitter
Language	English