Diaphragm Monitoring (Option Code Dm1, Dm2) - Dellmeco DM 80/800 Instruction Manual

16.3. Diaphragm Monitoring (option code DM1, DM2)

Although DELLMECO diaphragms with integrated metal core are designed for an optimum service life, the
diaphragm remains a wear part. If it breaks, liquid can leak into the center housing and possibly emerge through the
muffler. This can be prevented simply and effectively with the DELLMECO diaphragm monitoring.
A capacitive diaphragm sensor is mounted in the muffler [17] of the pump, which registers any liquid approaching
the sensor, no matter whether the liquid is conductive or not. Hence, a fast reaction to a damage of a diaphragm
becomes possible. In case of humid surrounding air a false alert may occur despite operating the pump with dried
compressed air.
The diaphragm monitoring system is available in two variations:
• DM1 Diaphragm sensor (Namur), also for explosion proof area
• DM2 Diaphragm monitoring system complete with sensor and controller
The diaphragm sensor can either be connected to an existing controller with Namur inlet (code DM1) or to the
controller included (code DM2). The wiring diagram and technical data can be found on the controller itself. For further
details, please refer to the data delivered by the manufacturers of the components. The controllers have to be installed
in a suitable cabinet.
Spare part list, diaphragm monitoring
Code Position Quantity
DM 1 63
1
63
1
DM 2
-
1
Pump size:
Description
Diaphragm sensor, Namur
Diaphragm sensor, Namur
Controller
DM 10 DM 15
Material Part no. Part no.
diverse 9 15 19 00 9 15 19 00
diverse 9 15 19 00 9 15 19 00
diverse 9 15 14 00 9 15 14 00
35I DELLMECO I AODD DIAPHRAGM PUMPS
DM 25 DM 40 DM 50
Part no. Part no. Part no.
9 15 19 00 9 15 19 00 9 15 19 00
9 15 19 00 9 15 19 00 9 15 19 00
9 15 14 00 9 15 14 00 9 15 14 00