PERFECTA
GAUGE
PLC-based X-ray Thickness Measurement The
Perfecta Gauge is a high performance X-ray
thickness gauge that features the industry’s first
open architecture. Designed on a PLC platform, its combination
of advanced technologies make Perfecta gauges accurate,
versatile and robust; they consistently outperform most
other gauges on the market.
Wherever possible, it has been built with broadly available
hardware and software components, including off-the-shelf
PLC, PC, networking protocols and software. This reduces
both initial costs as well as drastically cutting maintenance
costs. The Perfecta Gauge is intended for use as a control
gauge for Rolling Mill and Process Line applications and
is suitable for measuring the thickness of a variety of
metallic and non-metallic materials.
The Perfecta Gauge is available in Centerline, Scanning,
and Profile configurations.
| The
Perfecta features: |
• |
Enhanced
Accuracy & Dependability |
• |
Industrial
PLC-based design, using widely available off-the-shelf
components |
• |
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; aIloy, 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 Perfecta, 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%.
Accuracy:
The accuracy of the gauge is within +/- 0.10% of the set thickness
of the precision master on which the gauge has been standardized.
Drift:
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.)
|
