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7.
MAINTENANCE
Regular cleaning of the sensor is necessary is used in applications with wet or filthy gases. Cleaning of the sensor
is necessary prior to calibration or evaluation.
7.1.
Removal of the sensing probe of the flow meter
•
Shut off the measurement valve with shut-off function
(see page 11).
•
Turn off the power supply, remove the cover and disconnect the
power wires on the screw terminal.
•
Loose the retainer nut and pull the sensor probe from the meas-
urement section.
•
Operation without the flow meter installed page 11.
7.2.
Cleaning of the sensor of the flow meter
Do not use an abrasive cleaning agent, an organic solvent containing halogen or acetone.
•
Clean the head of the sensor probe by carefully swirling in warm water of isopropyl alcohol. It is recom-
mended to use isopropyl alcohol if the pollution is crease or oil.
The sensor should not be touch by fingers or solid objects like screwdrivers or brushes!
•
Leave the sensor to dry in ambient air.
8.
REPLACEMENT PARTS / ACCESSORIES
8.1.
Order Code Replacement Sensor
Hardware Configuration
Model
Working range
Measuring pipe -
diameter
Mounting
1)
Plug
1) only for model A and B
compact ri-le
direction od flow right to left
compact le-ri
direction od flow left to right
remote probe
low
(0,5...100 Nm/s) or (100...19685 ft/min)
high
(0,5...200 Nm/s) or (100...39370 ft/min)
DN15
DN20
DN25
DN32
DN40
DN50
Measurment ball valve
cable gland
1 plug for power supply and outputs
19
Never remove the flow-
meter while the measure-
ment ball valve is open.
That is extremely danger-
ous!
EE771-R-
A
B
C
L1
H1
N015
N020
N025
N032
N040
N050
K
A
Q
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