Pipeline systems and technologies

Technical specifications of reference electrodes

Legend

1 – RE name / trade mark;

2 – type of reference electrode:

  • «Cu» – copper-copper sulfate RE;
  • «Ag» –silver-silver chloride RE;
  • «Zn» – zinc-zinc sulfate RE,

3 – model No, according to the table;

4 – measuring cable length, m;

5 – «CS»  – presence of the coupon (not specified, if absent):

  • «C» – coupon;
  • «S» – operating surface square, qr cm.

Example of RE designation:
«Reference electrode RE-PST-Stelth–P40-Cu-007-6-AE1» 

RE Types and application conditions:

Model No Application Conditions Type (electrolyte and core materials)
     
002 For natural and highly saturated soil with chloride content no more 0,1% Cu
004 For natural and highly saturated soil with any chloride content Ag*
006 For natural and highly saturated soil with chloride content no more 0,1% Zn
007 For natural and dry soil with chloride content no more 0,1% Cu
008 For natural and dry soil with any chloride content Ag*
008С For natural and dry soil with any chloride content, hydrocarbon-proof Ag*
009 For natural and dry soil with chloride content no more 0,1% Zn
019 For concrete, dry soils and soils with periodic and seasonal moisture saturation with chloride content no more 0,1% Cu
020 For concrete, dry soils and soils with any level of moisture saturation and  chloride content Ag*
021 For concrete, dry soils and soils with periodic and seasonal moisture saturation with chloride content no more 0,1% Zn
038 Applied for installation to a depth up to 600 m into the environment with any chloride content (crush-proof and weighted case). Ag*

*By type of silver-silver chloride (Ag-AgCl) containing stabilizing agent.

Copper-copper sulfate reference electrodes RE-PSТ-STELTH-Р40-Cu-007

Sensitive surface square Not less 170 qr cm
Copper bar surface square Not less 12.5 qr cm
Average size of sensitive area voids 17 mcm
Stability on 3 mcA load 5 mV
Operating temperature limits - 18…+85 °С
Storage temperature limits - 40…+85 °С
Overall dimension, length/diameter 18 сm/ 4 сm
Min. projected service life 30 years

Copper-copper sulfate reference electrodes RE-PSТ-STELTH-Р40-Cu-002

Sensitive surface square Not less 20 qr cm
Copper bar surface square Not less 12.5 qr cm
Average size of sensitive area voids 17 mcm
Stability on 3 mcA load 5 mV
Operating temperature limits - 18…+85 °С
Storage temperature limits - 40…+85 °С
Overall dimension, length/diameter 21 сm/ 3,5 сm
Min. projected service life 30 years