• Zinc Reference Electrode
  • Zinc Reference Electrode

Zinc Reference Electrode

Zinc reference electrodes are essential for measuring electrical potentials in cathodic protection (CP) systems. Pre-encapsulated in a cotton sheath with moisture-retaining backfill, our zinc reference electrodes boast an unparalleled service life among all permanent-type reference electrodes available on the market. Engineered specifically for cathodic protection applications, this electrode is tailored for buried metallic structures such as underground pipelines, storage tanks and other subsurface metal installations.
  • Zinc Reference Electrode

Description

Our zinc rod is manufactured from high purity zinc (99.9%) to assure consistent quality.

Chemical Composition:

Element

ASTM – B418 Type I Content (%)

ASTM – B418 Type II Content (%)

Aluminum (Al)

0.100 ~ 0.500

0.005 max.

Lead (Pb)

0.006 max.

0.003 max.

Iron (Fe)

0.005 max.

0.0014 max.

Copper (Cu)

0.005 max.

0.002 max.

Cadmium (Cd)

0.025 ~ 0.070

0.003 max.

Other Impurities

0.100 max.

0.100 max.

Zinc (Zn)

Remainder

Remainder

 

Electrochemical:

Technical Measurement

ASTM-B418 Type I Performance

ASTM-B418 Type II Performance

Open Circuit Voltage (min.)

-1.05 Volts

-1.10 Volts

Closed Circuit Voltage (min.)

-1.00 Volts

-1.05 Volts

Current Capacity

780 A·h/kg (354 A·h/lbs)

740 A·h/kg (335 A·h/lbs)

Current Efficiency (min.)

95%

90%

Consumption Rate

11.2 kg/A·y (24.8 lbs/A·y)

11.9 kg/A·y (26.2 lbs/A·y)

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