Chart Comparison
The Chart Comparison Materials Extension makes accurate scaling for unambiguous size comparisons a simple process. It comes with the ASTM 112 charts as standard and additional charts are available as a further extension to this programme. Users can also define their own charts and integrate them into the chart pick lists.

		Key Features
		Onscreen chart comparisons with live image Display of results as a spreadsheet ASTM 112 chart included Various other charts on offer: Grain size ASTM E112 Grain size DIN 50601 Grain size ISO 643 Inclusion Rating DIN 50602 Graphite in cast iron DIN EN ISO 945 Specifications: Description: Displays and sizes comparison charts in accordance with the microscopic sample images to be compared. Including comparison chart for the determination of the ferritic or austenitic grain size of steel and ferrous materials Supported Standards: ASTM E112 (optional standards see Charts) Measurement Types : 3 or 8 reference images Report/OutputReport/Output: Spreadsheet (value of the matching reference image)

Key Features for Extension Weld Measurement

Settings
The user can define whether to use an 8x or 3x comparison screen. For most situations, an 8x comparison is preferable due to the ability to compare the image with 8 references simultaneously. However, the 3x comparison offers the advantage of a larger display size. In the “Chart Manager” tab, users can select pre-defined reference charts, use their own, or import them from external sources.

Execution
The selected charts will be automatically loaded and in the case of the 8x comparison, the first 8 reference images of the chart are loaded on-screen. The matching
reference image is then automatically transferred to the navigator table and is subsequently included in the results spreadsheet.

Results
The image data from the matching reference images is transferred into a results spreadsheet, along with the results of each image in the series. The data that is transferred is dependent upon the reference sheet that was previously selected.

Charts
Grain size ASTM E112
Reference images of the standard ASTM E112 for micrographic determination of the ferritic or austenitic grain size of steels and ferrous materials.

Grain size DIN 50601
This extension chart provides reference images of the standard DIN 50601 for micrographic determination of the ferritic or austenitic grain size of steels and ferrous materials

Grain size ISO 643
This extension chart provides reference images of the standard ISO 643 (version 2003) for the micrographic determination of the apparent grain size.

Inclusion Rating DIN 50602
This extension chart provides reference images of the standard DIN 50602 for the microscopic examination of special steels using standard diagrams to assess the content of non-metallic inclusions.

Graphite in cast iron DIN EN ISO 945
This extension chart provides reference images of the standard DIN EN ISO 945 for the designation of microstructures within graphite.