Xylem MPP 350 - Manual (Page 26)

Technical data MPP 350
26 ba75434e02 07/2005
7.2 Dissolved oxygen (D.O.) module
General features Measuring principle Membrane covered galvanic sensor
Temperature compensation IMT compensation (calculated by the meter)
Dimensions
(in mm)
Weight approx. 20 g (filled with electrolyte)
Materials Working electrode Gold
Counter electrode Lead
– Membrane cap
– Cap nut POM
Membrane FEP, 13
µm
– Sensor head Epoxy, PEEK
– Plug connection PEEK
Screw thread base Stainless steel 1.4571
Seals FPM (Viton)
Closing cap POM
Plug connection Plug type 3-pole, watertight plug connection with cap
nut, reverse polarity protected, contacts
gold-plated
Pressure
resistance
Sensor with closed plug
connection IP 68 (10
6
Pa or 10 bar)
The D.O. module meets the requirements according to article 3(3) of the 97/
23/EC directive ("Pressure equipment directive").