Assembly / Installation - ProMinent DULCOTEST CDE Serie Instrucciones De Servicio

Assembling the
diaphragm cap
Inserting the
sensor
IMPORTANT
• The sensor must be slowly inserted into or withdrawn from the in-line
• Do not touch the in-line probe housing flow resistor with the
• The sensor must be kept wet at all times once commissioned - e.g.
Assemble the sensor as described in the operating instructions supplied with
the in-line probe housing.
6
IMPORTANT
• The sensor is not electrically isolated from the sample water. All other
• The supply voltage must not fall below 16 V DC, even for a short
• After the electrical connection of the sensor, the sensor has to be
The sensor incorporates a passive 4-20 mA two-wire interface, i.e. the power
supply is provided externally e.g. via the controller.
• Safety requirements are automatically met if the sensor is connected to a
• The following should be noted if connecting to other devices:
• Do not switch off the measuring system when in intermittent use!
®
ProMinent
Locate the electrode shaft vertically onto the filled diaphragm cap and turn
until the thread bites.
Rotate the diaphragm cap so that the vent hole is at the top.
Slowly screw on the diaphragm cap by hand up to the stop. In the
process the excess electrolyte will seep out of the vent hole.
Rinse sensor under running water to remove excess electrolyte from the
sensor and from hands.
probe housing! The diaphragm could otherwise be damaged.
diaphragm!
the in-line probe housing must not be allowed to run dry.
Installation
elements must be isolated! The controller must be isolated both from
the sensor and from the supply voltage!
period! The current source must able to sustain 35 mA at a min. 16 V
DC! Insufficient supply voltage will result in an inaccurate reading!
inserted into the sample water which has to contain chlorine dioxide.
ProMinent ® controller (e.g. DULCOMETER
Voltage source:
Max. load:
If necessary, dosing equipment should be timer-controlled!

Assembly / Installation

® D1C).
16-24 V DC. Min. 35 mA at 16 V DC
1 W
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