This sensor features an optimized design for continuous high-precision monitoring of impedance and galvanic currents. You can analyze various corrosion behaviors, such as Aluminum corrosion and coating degradation. Atmospheric corrosion monitoring is commonly performed using sensors that have two pairs of electrodes, such as plate-shaped, concentric-circular, or comb-shaped sensors. The width, spacing, and facing length of the two electrodes greatly affect the measurement accuracy, so machining and precision were issues. To overcome these issues, spiral-shaped electrode was invented.

Sensor Lineup

Various shapes are available to suit different environments. We also accept custom orders.

Two Spiral

  • Spiral increases accuracy.
  • Screw-mountable.
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Concentric Type

  • Electrodeposition coating prevents crevice corrosion.

Specifications

The electrode width is 1 mm, and the electrode distance is 0.1 mm, with a flange structure to suppress the movement in the rotational direction of the spiral shape. This shape eliminates anisotropy and allows accurate evaluation of corrosion behavior. By applying surface treatment to the metal in advance, we suppress the occurrence of crevice corrosion when filling epoxy resin between the electrodes.

Materials

Carbon Steel,Stainless Steel, Aluminum Alloy, Magnesium Alloy, etc.,　*Materials supplied by Customers (Consultation Required)

Electrode Surface area

Approx. 1㎠ (2 pieces)

Lead Wire

1m Attached to the side or bottom of the electrode flange
*Length and Specifications can be customized.

Supported Devices

・SICM-714B/718B etc.,(lmpedance)
・SACM-312B/314B etc.,(galvanic current)

Expected　Lifespan

1+years(Atmospheric environments)　*Customizable for any environment.

Heat Resistance

Sensor 150℃　Lead wire 60℃ *Heat-resistant cable option available.