E31.2 E32.2

CANIN+ Half Cell Potential

The Canin + has now been discontinued. For the latest corrosion mapping system from Proceq please take a look at the Profometer Corrosion.

Concrete Corrosion, canin+, Half cell potential, concrete corrosion testing, corrosion potential measurementCANIN+ is for the non-destructive detection of corrosion in the reinforcement bars of concrete elements. It enables the identification of concrete corrosion before it becomes visible and has caused damage. For the first time CANIN+ makes it possible to see a graphical plot of a large area assessment directly on the display of the measuring device. This enable the inspector to immediately mark on the concrete surface the areas of concern and to later down load the data for printing in a report.

RANGE OF APPLICATIONS

The CANIN+ concrete corrosion testing instrument offers a high speed method for performing half cell potential measurements used in investigating and assessing the corrosion of steel in concrete.

COMPLIANCE WITH INDUSTRY STANDARDS

Data collection and processing of test results comply with major industry standards:

  • ASTM C876-91
  • BS 1881 Part 201
  • SIA 2006, DGZfP B3
  • UNI 10174

FEATURES

  • Immediate presentation of test area and reading directly on the instrument display
  • Optional wheel electrode for increased testing speed and productivity. Readings are collected at a predetermined spacings automatically and stored.
  • Total memory for more than 200’000 readings

CORROSION POTENTIAL APPLICATION

Firstly, accurate field corrosion potential measurements aid in detecting corrosion in rebars. Corrosion of steel in concrete is an electrochemical process. A potential field can be measured on the concrete surface by the use of an electrode, known as a half-cell, and a high-impedance voltmeter. The CANIN+ Corrosion Testing Instrument highlights possible concrete corrosion activity before rust becomes visible. This early detection can be a key in preventing an unanticipated structural failure.

CANIN+ is ideally suited for assessment of half cell potentials on large areas of 8,000 m² or multiple thereof, depending on the individual selectable grid size. 235,000 values can be stored by the intelligent memory. Up to 240 measurement values are displayed at a time in easy-to read grey-scale and a menu-driven approach facilitates simple operation using just nine keys.

Interpretation of the collected readings is facilitated by the use of the CANIN ProVista software.

CANIN PROVISTA PC SOFTWARE

The Windows based software CANIN ProVista, developed by Proceq SA, makes it possible to download, present and edit data measured by the CANIN+ half-cell instrument in a fast and easy way using an IBM-compatible PC. The program generates a potential map, a relative frequency and a cumulative frequency diagram and provides a chipping graph. This statistical presentation is the basis for an efficient interpretation of the half-cell potentials by the corrosion engineer.

Single files can be opened and processed separately. By rotating or mirroring in intervals of 90° the single potential maps can be combined to form a complete graph representing the total investigated surface area.

Concrete Corrosion, canin+, Half cell potential, concrete corrosion testing, corrosion potential measurement

Based on the user defined threshold potentials that represent certain conditions of the structure, up to four characteristic potential intervals can be chosen. The corresponding partial areas are marked with different colours in the presentation as a “Chipping graph“.

TECHNICAL INFORMATION CANIN PROVISTA SOFTWARE

TECHNICAL INFORMATION CANIN PROVISTA SOFTWARE

SYSTEM REQUIREMENTS: Windows 2000, Windows XP, Windows Vista

SCALE OF LENGTH / UNIT LENGTH: Selectable grid with metric or imperial units. (Note: XY-grid settings must be equal)

EDITING: Individual readings can be deleted or changed

INSERTING: Separately measured objects can be merged to a complete potential map. If required, objects can be rotated and mirrored.

ANNOTATIONS: Comments about specific points on the concrete structure can be placed directly in the potential map.

BITMAPS: All graphics can be exported as bmp-files into external software for the generation of reports.

TECHNICAL INFORMATION CANIN+

Potential Measurement

Measurement range: ±999 mV
Resolution 1 mV
Memory non-volatile memory for up to 235’000 measurements stored in up to 71 object files
Software CANIN ProVista software for downloading data and evaluation on PC
Battery Operation Six AA batteries, 1.5 V for up to 60 hours (or 30 hours with activated backlight)

General

Impedance 10 MO
Temperature range 0° to 60° C
Display 128 x 128 pixel graphic LCD with backlight
Data Output RS 232 interface, USB with adapter
Case Dimensions 580 x 480 x 210 mm
Weight Net. 10.6 kg; Shipping 14kg

Description of Kits

Concrete Corrosion, canin+, Half cell potential, concrete corrosion testing, corrosion potential measurement

CANIN+ Configuration with Rod Electrode

  • Basic equipment (Indicating device CANIN+, carrying strap, protection sleeve for indicating device, transfer cable, USB-serial adapter, operating instructions, carrying case CANIN+)
  • Rod electrode accessories (Rod electrode with spare parts, electrode cable 1.5 m, cable coil 25 m, CANIN ProVista PC software on memory stick, bottle with copper sulfate 250)

CANIN+ Configuration with Rod and Wheel Electrodes

Basic equipment + Rod electrode accessories + Wheel Electrode accessories (one-wheel electrode system, tool kit to wheel electrode system, bottle with citric acid 250 g)

VIC:

Melbourne

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t (03) 9938 3830

f (03) 9938 3899

m 0428 315 502

NSW:

Sydney

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t (02) 9986 1857

m 0418 381 709

QLD:

Brisbane

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t (07) 3040 6166

m 0419 477 715

 

WA:

Perth (Head Office)

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t (08) 9322 4020

m 0408 034 668

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