6.4
Conductivity Cell
1)
Conductivity cell should
flow speed is stable and don’t
tank or pipe line open to
2)
Concentric tube should
sure to opposite flow direction and deep in the flow.
3)
Measure signal is weak signal, so its collect
Forbidden to connect the power
or terminal. Forbidden to put the power
together. These will avoid measurement error and damage
4)
Don’t make the cable shorter or longer than its original
5)
Ensure the measurement part of conductivity cell
or other object. Avoid greasy dirt,
6)
Don’t dispart conductivity cell or change its dimension or
7)
Don’t wash or soak it with strong
constant change which will influence
8)
Avoid installing in the sunlight or
9)
Please double check before connecting
7.
Trouble Shooting
When the measurement is incorre
1) Problem Source: Disconnect the white cable on meter terminal,
conductivity display is
recheck the sensor installation.
Conductivity Cell Insta
pipe, test it with reference flow, if the display value is correct, please consider
improper installation and sensor problem.
(2) Check 4-20mA is in instrument mode or trans. mode.
When there is no connec
mA Mode
Instru. Mode
Trans. Mode
Conductivity Cell Installation Caution
Conductivity cell should be installed in a closed and circulated pipe
stable and don’t have large quantity of bubbles. DO NOT install
open to air, to avoid measurement error.
Concentric tube should be installed horizontally, slantly or vertically
sure to opposite flow direction and deep in the flow.
weak signal, so its collect wire must be individually installed.
Forbidden to connect the power line and control line to the same cable connector
or terminal. Forbidden to put the power line and control in the same pipe or tight
together. These will avoid measurement error and damage to the meter.
the cable shorter or longer than its original length.
Ensure the measurement part of conductivity cell is clean. Don’t touch
greasy dirt, fat or rubber object on the measurement
Don’t dispart conductivity cell or change its dimension or shape.
with strong acid or alkali. Avoid scratch. Or this will cause
constant change which will influence accuracy.
the sunlight or wet area.
Please double check before connecting to the power.
When the measurement is incorrect and instable, please operate as follows:
1) Problem Source: Disconnect the white cable on meter terminal,
is 0 and stable, then the meter is in right condition, please
installation.
Conductivity Cell Installation Problem: Take conductivity cell out of the
pipe, test it with reference flow, if the display value is correct, please consider
improper installation and sensor problem.
20mA is in instrument mode or trans. mode.
When there is no connection to the terminals
Output Port
Port Voltage Cable Voltage
I+/I-
>12V DC
Non
T+/T-
Non
DC24V
a closed and circulated pipe line where
quantity of bubbles. DO NOT install in
slantly or vertically to make
individually installed.
the same cable connector
the same pipe or tight
meter.
clean. Don’t touch it by hand
or rubber object on the measurement part.
scratch. Or this will cause
ct and instable, please operate as follows:
1) Problem Source: Disconnect the white cable on meter terminal, if the
right condition, please
llation Problem: Take conductivity cell out of the
pipe, test it with reference flow, if the display value is correct, please consider
Cable Voltage
Non
DC24V
PONPE