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PC-based X-ray Thickness Measurement

The Accura Gauge represents the industry standard in PC-based gauging systems. Its Windows-based gauge software offers the familiarity and flexibility that customers require, and its designed to use off-the-shelf components to the extent possible.

The Accura is intended for use as a control gauge for rolling mill applications, but can also be used on process lines. It’s suitable for measuring the thickness of metals (ferrous end non-ferrous), plastics and many other types of materials.

Accura Gauges can measure thicknesses from 0.0002” (0.005 mm) to more than 2.0” (50 mm).

The Accura features:
Enhanced Accuracy & Dependability
Industrial PC-based design, using the Windows Operating System.
Easily connected to other industrial equipment or business networks.
Minimal quantity of custom interface and control boards.
Using proven GHF generators, designed and manufactured by Global Gauge Corporation (from 30 kV- 250 kV).
PMT or Ion chamber detectors, designed and manufactured by Global Gauge Corporation.
Compensation functions including; alloy, temperature, pass height/angIe, etc.
Calibrated/traceable thickness standards.

Gauge Specifications:

Response time:
The response time is a measure of the time lag between the actual change in a measured thickness and the corresponding change in the gauge's voltage output (AGC output). Typically this is measured at a baseline thickness of 0. 100" of steel. For the Accura, the response is adjustable to less than 10 milliseconds, offering excellent production control.

Statistical Noise:
Random variation of the gauge signal 90% of the time, while gauging on a static sample. Noise is expressed as a percentage of the nominal thickness being measured. For steel, with an air gap of 12", at a response of 10 milliseconds, typical measured noise is +/- 0.10%.

The accuracy of the gauge is within +/- 0.10% of the set thickness of the precision master on which the gauge has been standardized.

The drift of the gauge signal as recorded on a chart recorder during an eight-hour period will not vary more than +/- 0.10% from the set thickness. (This assumes that the gauge is warmed-up for at least two hours, and that C-frame cooling is active to offset ambient thermal transients.)