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Combined Potential | Current Measurement

We manufacture two types based on our RB15 Manganese Dioxide and LD15 Silver/Silver Chloride Reference Electrodes. Please note that the LD15 unit is not suitable for seawater immersion or the tidal splash zone where we recommend using the RB15 manganese dioxide reference electrode.

Installation procedures for the electrodes can be found here

RB15/MMO Reference Electrode

Combined Potential/Current Measurement RB15/MMO Electrode Datasheet

Combined-RB15-MMO-Electrode

  • Reference Electrode: Combined Potential Current Measurement
  • Model: RB15/MMO Electrode

Note: you can also download a pdf file of the data sheet for the RB15/MMO. You may also wish to see the Installation and Cable Connection Method Statement


Download PDF

General Description

Some specifications require the use of combination reference electrodes for corrosion monitoring. These are usually reference electrodes with a mixed metal oxide (MMO) coated titanium outer tube.

The MMO titanium tube is effectively a back up pseudo reference electrode in the unlikely event that the main electrode fails and can also be used for current measurement.

Specifications

Reference electrode type:

RB15 manganese dioxide and mixed metal oxide (MMO) coated titanium

Potential:

+175mV (+/- 20mV) wrt saturated calomel electrode for the RB15 reference electrode

Stability:

+/- 3mV over a 24 hour period

+/- 10mV over 20 years

Design Life:

50 years for the RB15 manganese dioxide reference electrode

100 years for the MMO Titanium

Housing type:

Nylatron

Junction Type:

Cementitious >175mm2

Dimensions:

Approx. 20mm x 100mm

Cable type:

Twin core to suit client requirements with heat shrink sleeving to seal the cable.

Quality control:

Calibrated under laboratory conditions.

Unique identification numbers.

Calibration certificates for each contract.

LD15/MMO Reference Electrode

Combined Potential/Current Measurement LD15/MMO Electrode Datasheet

LD15-combined-potential-current-measurement-reference-electrode

  • Reference Electrode: Combined Potential Current Measurement
  • Model: RB15/MMO Electrode

Note: you can also download a pdf file of the data sheet for the LD15/MMO. You may also wish to see the Installation and Cable Connection Method Statement


Download PDF

General Description

Some specifications require the use of combination reference electrodes for corrosion monitoring. These are usually silver/silver chloride reference electrodes with mixed metal oxide (MMO) coated titanium outer tube.

The MMO titanium tube is effectively a back up pseudo reference electrode in the unlikely event that the main electrode fails.

Specifications

Reference electrode type:

LD15 silver/silver chloride and mixed metal oxide (MMO) coated titanium

Potential:

-15mV (+/- 10mV) wrt saturated calomel electrode

Stability:

+/- 3mV over a 24 hour period

+/- 10mV over 20 years

Design Life:

30 years for the LD15 reference electrode

100 years for the MMO Titanium

Silver element:

99.99% purity

Housing type:

Nylon

Junction Type:

Cementitious >175mm2

Dimensions:

Approx . 20mm x 100mm

Cable type:

Twin core to suit client requirements with heat shrink sleeving to seal the cable.

Quality control:

Calibrated under laboratory conditions.

Unique identification numbers.

Calibration certificates for each contract.

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Castle Electrodes

Ann Duels House
Holyport Street
Holyport
Maidenhead
Berkshire
SL6 2JR
UK
Phone: +44 (0) 208 144 6688
Mobile: +44 (0) 752 545 2382