TORQUES (Nm) FOR SENSOR BOLTS (FLANGED & WAFER) ..................... 8
NOTE FOR 3A APPROVED SENSORS ....................................................... 8
2
ESENS_FULLBORE_05.doc
SENSOR FOR ELECTROMAGNETIC FLOW METER – MANUAL
INTRODUCTION
- This manual is integral part of the product. Read carefully the instructions
contained since it contains important indications for the safety of use and
of maintenance.
- The technical information and the relative products of this manual could be
modified without any previous notice.
- The flowmeter must be used for the use it has been built for. The improper
use, possible tampering of the instrument or parts of it and substitutions of
any components not original, makes the warranty to decay automatically.
- The manufacturer is considered responsible only if the instrument is used in
its original configuration and setting.
- The flowmeter makes measures of liquids with conductivity greater than
5µS/cm; it consists of a sensor (described in this manual) and a converter,
for it see the manual provided.
- If the sensor is supplied in compact version to the converter, consider the
operating temperatures more restrictive, otherwise refer to the respective
manuals.
- When transporting, unpacking and handling the flowmeter, be careful and
care.
- In the case of prolonged storage and of transport, use and store in the
original container in a dry place, do not place more than 3 packs one above
the other. It is possible pallets storage and transport (in case of wooden
crates do not place one above the other).
- For the cleaning of the device use only a damp cloth, and for the
maintenance/repairs, contact the customer service.
- For the disposal of the device and of the packaging make strict reference to
the regulations.
- It is forbidden the reproduction of the present manual and of possible
software supplied with the instrument.
START UP AND MAINTENANCE OF THE INSTRUMENTS
- Before starting up the instrument, always make a secure connection to
ground as suitable to page 6.
- Verify periodically: the cables integrity, the tightening of the sealing
elements (cable glands, covers, etc.), the mechanical fixing of the
instrument on the pipe or on the wall.
3
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SENSOR FOR ELECTROMAGNETIC FLOW METER – MANUAL
T
SAFETY
GENERAL INFORMATION ON THE SENSORS INSTALLATION
o
Flow direction
Before installing the sensor checkthe
direction of the liquid in the piping.
The sign of the flow rate is positive,
when the flow direction is from – to +
as printed on the tag plate.
If the device is mounted in the reverse
normal flow direction, the sign of the
flow rate can be corrected by changing
the sign of the coefficient KA.
o Installation (Method recommended for ALL THE SENSOR WITH EYEBOLT)
Before using the instrument, always make a secure
connection to the ground
Avoid any attempt to repair the instrument. If the instrument
is not functioning properly, please call the nearest assistance
service
Pay maximum attention during the operations
ATTENTION !!!
DANGER !!!
?
he eye-bolt are measured to sustain
exclusively the weight of the meter
Centring cylinders
N.B.: For sensor S054 we recommend the use of centring cylinders
4
+
ESENS_FULLBORE_05.doc
SENSOR FOR ELECTROMAGNETIC FLOW METER – MANUAL
A
g
g
g
g
g
g
A
A
g
g
f
A
g
y
o Shrewdness and precautions
NOYES
For vertical installations with
descending flow direction
contact the manufacturer
LONG PIPE
void the installation of the
sensor in a lon
without an
same
pipe,
support of the
NTI VIBRATION JOINTS
LONG PIPE
void operatingwhen the
pipe is partially empty
void the installation next to
bows in pipes and respect
min. inlet and outlet sections
3 X DN
2 X DN
Avoid the approach of the
e and counter flange
flan
the closing force o
usin
the nuts
GASKET THICKNESS + 4mm
OPERATING TEMPERATURES
EBONITE LINING PP LINING PTFE LINING
Liquid Temp.
Min. Max Min. Max Min. Max Min. Max Min. Max Min. Max
° C 0 80 -5 60 0 60 0 60 -20 130 -10 60
° F 30 176 23 140 32 140 32 140 -4 266 14 140
Ambient
Temp.
Liquid Temp.
Ambient
Temp.
Liquid Temp.
For vertical installations is
preferable an ascendin
For installations on lon
pipes, please use the
anti vibration joints
Durin
operation, the pipe
must be either completely full
of liquid, or completely empty
Install the sensor at a min.
distance to bows in pipes and
hydraulic accessories
htening the nuts,
Before ti
place both the flan
and device as near to
as possible.
Ambient
Temp.
flow
es of pipe
ether
5
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SENSOR FOR ELECTROMAGNETIC FLOW METER – MANUAL
ELECTRICAL CONNECTIONS OF SENSOR TO TRANSMITTER
(CONNECTIONS TO TRANSMITTER: SEE RELATED MANUAL)
VERSION SUITABLE FOR
SENSOR’S
CONNECTION
COMPACT
ALL SENSORS
MODEL
NO CONNECTIONS
SEPARATE
WITHOUT
JUNCTIONS-
BOX
STAINLESS
STEEL MODEL
NO CONNECTIONS
REQUIRED
(CABLE ALREADY
CONNECTED AND
POTTED)
SEPARATE
WITH
JUNCTIONS-
BOX
ALL CARBON
STEEL MODELS
NO CONNECTIONS
REQUIRED
(CABLE ALREADY
CONNECTED AND
POTTED)
SEPARATE
WITH
PREAMPLIFIER
ALL SENSORS
MODEL
SEE BELOW
Cavo 1
Cavo 2
Cavo 3
Cavo 12
Cavo 13
Cavo 6
Cavo 7
Cavo 8
Cavo 9
Cavo 10
123456789
10
CABLE FROM INSIDE THE
SENSOR (PINS 1 – 5 ) ALREADY
CONNECTED
CABLE C014 TO THE
CONVERTER (PINS 6 – 10)
6
ESENS_FULLBORE_05.doc
SENSOR FOR ELECTROMAGNETIC FLOW METER – MANUAL
GROUNDING INSTRUCTIONS
For correct operation of the meter, it is NECESSARY that the sensor and the
liquid are equipotential, so ALWAYS connect the sensor and converter to
ground:
o
Grounding with metallic pipe
Sensors with ground socket
on the connection box
Wafer sensorsFlanged sensors
METALLIC
RING
oGrounding with insulating pipe
INSULATING GASKET
If the sensor is mounted on a pipe made of an insulating material,
If the sensorhas tobe mounted ona
do one of the following:
pipe made of an insulating material
- Install a metallic ring between the sensor flange and the
is necessary:
pipe counter flange,
-or use a sensor with the additional grounding electrode.
- Install two metallic ring between thesensorflanges and the counterflanges of the pipeline or:
- Use a sensor with the additional grounding electrode
Grounding when there is acathodic protection over the pipe
oo
METALLIC RING
INSULATING GASKET
ISOIL
If the sensor is mounted on a pipe with a cathode protection, do the
If the sensor must be install
following:
in the piping with a chatode
- use insulating bushes to isolate the bolts,
protection, is necessary:
- insert insulating gaskets on both sides of the rings to
ground the metallic rings and hence the liquid.
INSULATING
BUSH
- using insulating bushes to isolatethe bolts
- Grounding metallic rings should beprovided to ground the liquid usinginsulating gasket between the rings
o Tighten uniformly in an alternating pattern
o The torque listed in tab are applicable to flanges:
EN1092-1, DIN 2501, BS 4504, ANSI B16.5 , JIS
o Use gaskets acc. to DIN 2690
o For DN > 1000 contact the manufacturer
o (***)= ANSI 150
o [***]= ANSI 300
NOTE FOR 3A APPROVED SENSORS
SENSOR FOR ELECTROMAGNETIC FLOW METER – MANUAL
19 25
28 43
36 53
52 68
75 45
41 53
56 83
71 112
106 135
134 391
204 595
201 588
324 945
426 1243
[398] [1161]
[465] [1356]
[774] [2258]
[947] [2761]
[1408] [4106]
[1598] [4662]
8
25
[32]
43
[40]
53
[63]
68
[35]
45
[53]
53
[68]
83
[94]
112
[130]
135
[113]
178
520
[178]
[519]
267
780
[185]
[540]
278
812
[275]
[803]
422
1231
[318]
[927]
619
1805
[411]
[1198]
ESENS_FULLBORE_05.doc
39
[32]
53
[40]
72
[63]
81
[35]
58
[53]
62
[68]
87
[94]
148
[130]
217
[113]
816
[519]
1124
[540]
1108
[803]
1684
[927]
2180
[1198]
SENSOR FOR ELECTROMAGNETIC FLOW METER – MANUAL
V
erify periodically the sensor’s seals integrity: with
piping full of liquid, unscrew the Inspection screws (see drawing aside) and verify the total
absence of liquid from inspection hole!
After the above operation, REMEMBER to close
again the holes.
In case of leakage contact immediately our
Customer Service.
Inspection
screw
3°
When flowmeter is installed horizontally, ensure minimum angle of 3° for self draining purposes
9
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SENSOR FOR ELECTROMAGNETIC FLOW METER – MANUAL
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SENSOR FOR ELECTROMAGNETIC FLOW METER – MANUAL
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