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ENE Co., Ltd.
[Korea]
Address:
Main Building 105~107, Jeonju Univ, 303 Cheonjam-ro, Wansan-gu Jeonju-si Jeollabuk-do 55069 Korea
Phone:
82-63-2362060
Contact name:
Chae, Doo byeong



ENE Co., Ltd.
 

Electric Anticorrosive Potential Measurement Electrodes

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Electric Anticorrosive Potential Measurement Electrodes

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 Origin

Korea


ELECTRIC ANTICORROSIVE POTENTIAL MEASUREMENT ELECTRODES

The product makes it possible to measure the potential more accurately because it is possible to check, through the zinc electrode(comparative electrode), whether the reference electrodes operate

Electrode units of ENE
Electrode units covered with fillers

Specification

Material
Case: PVC(Polyvinyl chloride)
Cap Ceramic(PBT)
Weight
3kg x 2ea(6kg including fillers)
Size
35 x 15cm(including fillers)
Components
First and second reference electrodes
Performance validated
KCL(Korea Conformity Laboratories)
Certification
Patent No. 10-1518182

Features of electrode units of ENE

  1. Technology that allows linking with an anticorrosion system running on photovoltaic cathodic protection system
  2. Prevention of damage to the reference electrodes even in an irregular change of environment
  3. Improvement of electrolyte(ground) grip force
  4. Installation of zinc electrodes and comparison of measured values for improvement of accuracy
  5. After the electric anticorrosive potential of a pipe is measured, the existing zinc electrode will be measured for comparison, making it possible to secure reliability for the measured potential.

Comparison with existing products

Existing electrode units
Electrode units of ENE
Change in the surface of contact with the ground. Capable of maintaining the force of gripping the ground at a constant level.
Impossible to measure the anticorrosive potential as the inner copper sulfate gets solidified because of the difference in temperature from change in season. Possible to measure the anticorrosive potential even in irregular change of environment as the reference electrodes can be protected from being destroyed.
Impossible to find out whether the anticorrosive potential is correctly measured after burial. Possible to identify whether the anticorrosive potential is correctly measured.

 

First
reference
electrode
Existing reference electrodes have a weak point in which the accuracy of the measured potential values will decrease when the inner composite materials solidify as they absorb moisture. However, the reference electrode of ENE can maintain long-term performance, making it possible to correctly measure the potential.
Second
reference
electrode
As a comparative electrode that uses pure zinc, this electrode makes it possible to accurately measure not only the anticorrosive potential but also the comparative potential against the reference electrode, helping provide an accurate diagnosis regarding whether electric anticorrosion is well performed and also judge whether the reference electrode is working properly or not.
First and
second
fillers
Capable of absorbing the water infiltrating from snow or rain or the underground moist and getting solidified, the fillers can help protect the reference electrodes from being destroyed. Even after being solidified, the fillers are able to properly absorb moist, turning into electrolyte that can exchange ions with the surrounding ground, maintaining the force of gripping the ground at a constant level even as time passes, and helping accurately measure the anticorrosive potential.

Applicable area for reference electrodes

Example of installed reference electrodes

Example of reference electrodes
The profper space between the first and second reference electrodes is 30cm.

Site test after construction
Electric anticorrosive potential measurement electrode units buried for the 1,800m long pipe line for the Gosan purification plant of the Jeolla buk-do's head officeK-water.

Test result by Korea Conformity Laboratories(KCL)

Test by Korea Conformity Laboratories

Evaluation item
Unit
Target of development
Research result
Measurement of potential difference
mV
~850mV ~ -2,500mV
-1.0425
Stability of referrence electrode
mV
3
No problem(-1.0414~-1.0494)
Operating temperature
°C
0°C~68°C
0°C~68°C(-1.0620/-1.0767)
Allowed temperature for materials
°C
-36.6°C~68°C
No problem
Potential difference between the pipe and the ground
mV
~850mV ~ -2,500mV
-1.105

Electric anticorrosive potential measurement electronic units

What is carbon?
Compared with iron or aluminum, it has many strong points such as being ultralight, high-strength and with a high modulus of elasticity and anticorrosion. In addition to its durability, carbon has excellent heat and shock resistance, thus providing high strength and long-term durability. As potential measurement electrode units are to be buried underground, they will be influenced significantly by temperature. Carbon has an isothermal characteristic, meaning that its temperature will not increase further once after reaching a certain degree.




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