TN5FCXA2V5h-E
25
0HWKRGIRUVFUHZLQJWKHPRXQWLQJÀDQJH
7LJKWHQEROWVRIPRXQWLQJÀDQJHDQGSURFHVVÀDQJHLQDGLDJRQDORUGHUDQGDERXWWKUHH
cycles using the tightening torque corresponding to the screw used and according to the
ÀDQJHVWDQGDUG
Remove the protective cap from process connection port
7KHSURFHVVFRQQHFWLRQSRUWRIWKHWUDQVPLWWHULV¿WWHGZLWKDSUR
-
tective cap. Before piping, be sure to remove the cap.
When removing the cap, carefully protect the threaded portion and
sealing face from damage.
Connection of low pressure side and impulse pipe
The piping can be connected directly to the process connection of the transmitter or via an
RYDOÀDQJH,IDQLVRODWLQJYDOYHLVXVHGOHWLWFORVHXQWLOFRPPLVVLRQLQJWRSUHYHQWIRUHLJQ
objects from entering.
Level measurement
(1) Level measurement on open tank
Leave the low pressure side of transmitter open to atmosphere.
Level calculation formula :
LRV :
ȡ
H
1
URV :
ȡ
(H
1
+ h)
ȡ
: Measuring liquid density
H
1
/LTXLGOHYHOEHWZHHQWKHÀDQJHD[LVDQGWKH
mini level
h : Liquid level change
(2) Level measurement on close tank
1- In case of reference column
Connect the highest liquid level connection
of tank to the low pressure side of transmit-
ter, and the lowest liquid level connection
RIWDQNWRWKHKLJKSUHVVXUHVLGHÀDQJH
side) of transmitter.
Level calculation formula:
/59
ȡ+
1
±ȡ
0
H
2
859
ȡ+
1
K±ȡ
0
H
2
ȡ
0HDVXULQJOLTXLGGHQVLW\
ȡ
0
:
Seal liquid density
H
1
/LTXLGOHYHOEHWZHHQWKHÀDQJHD[LVDQGWKHPLQLOHYHO
h:
Liquid level change
H
1
R
h
Max. liquid level
Min. liquid level
4HREADEDPORTION
3EALSURFACE
H
1
h
H
2
R
0
Drain port
Stop valve
Max. liquid level
Min. liquid level
R
