ProMinent DULCOTEST CLT 1 Mode D'emploi page 33

IMPORTANT
• Depressurise the system before inserting the sensor into the in-line
• Insertion and withdrawal of the sensor into or out of the in-line probe
• Do not exceed the maximum operating pressure of 1 bar.
• Do not allow the flow to fall below the minimum rate of 20 l/h. Monitor
• To guarantee the required flow conditions, the sensor should be used
• Avoid installations which allow air bubbles to enter the sample water.
Insertion
of sensor
into the in-line
probe housing Note also the instructions and safety guidelines in the operating instructions
of the in-line probe housing.
DLG III
®
ProMinent
bend under internal pressure,
otherwise it will be unfit for use!
When screwing together, the excess
electrolyte escapes through the
small hole underneath the rubber
seal.
Any electrolyte that has leaked onto
the measuring cell or your own
fingers should be rinsed off under
running water.
probe housing. Close the stop valves before and after the in-line pro-
be housing.
housing should be carried out slowly.
the flow with the connected measuring device/controller. If the
sensor's signal is used for controlling, switch off the controller or
adjust it to constant load when the flow rate falls below the lower limit.
only in the following in-line probe housing models: DLG III A (914955),
DLG III B (914956) or DGM (25 mm module).
Correct function cannot be guaranteed if the sensor is used with other
in-line probe housings.
Air bubbles clinging to the sensor membrane can lower the resultant
measured value and cause incorrect dosing within the control system.
Slide the O-ring from below over the electrode shaft up to the clamping
ring.
Insert the sensor into the DLG III.
Fix the sensor tightly by screwing in the plug.
Vent
hole
Nozzle
Fig. 3: Membrane cap with
electrolyte bottle
Assembly
Electrolyte
bottle
Membrane
cap
33