MPS

Cathodic Protection Meter

Cathodic Protection Monitoring and Test Kit

The MPS Cathodic Pro­tec­tion Test Kit is eas­ily used by ves­sel own­ers,  Marine Elec­tri­cians / Trades­men or Mechan­ics alike to check a ves­sels poten­tial for cor­ro­sion (cathodic performance).

The CP 411 dig­i­tal CP mea­sur­ing device can pro­vide the user with accu­rate mV poten­tial read­ings for the sub­merged metal fit­tings and drive parts on their ves­sel.  Users can then inter­pret the results to iden­tify any cor­rec­tive action.

 

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User Guide

Unplug the shore power.  For most accurate results also disconnect the on board batteries.   Testing within a 24 hour period of disconnection may alter your readings. Attach the BNC adapter, sensing probe and test electrode to the test meter. Switch the unit on.  Press function to reach mV reading screen. Remove the protective wetting cap from the electrode and lower in to the water over the centre of the transom to a similar height to the propeller.  Ensure that it is not in contact with any metal. With the unit and sensing probe in hand, systematically touch the probe on any and all metal Through Hull Fittings or parts from inside the bottom of the hull. Record the results. To test and record the performance of an individual metal, first disconnect it from the Vessel Bonding System. Use only clean, dry and uncoated touch points for the probe. Use the booklet provided to interpret the data and determine your optimal cathodic protection level.  

Interpreting The Data

For optimal performance the mV potential of your anode should be at least -200mV but not more than    -300mV more negative than the highest negative value metal recorded.   For further information visit the Technical Tools page document "Factors Effecting Cathodic Protection"

Maintenance Instructions

The MPS CP Monitoring and Test Kit should be stored in a secure dry place. Before use, inspect the test lead, electrode and sensing probe for any damage. After use, refill the test electrode cap with tap water. Coil the test lead neatly, do not fold or stretch the lead. Secure in case using the foam and fastening strap provided.