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1-1
Chapter 1
Overview
What is PressCal
Pressurements PressCal software (PressCal) provides a quick and effective solution to
enhance the pressure measurement accuracy of Deadweight Testers (DWT). PressCal
provides an easy-to-use GUI (Graphical User Interface) that allows you to calculate all
the necessary corrections needed (such as local gravity, temperature etc.) to accurately
determine the pressure generated by your DWT.
PressCal also provides:
• Automatic certificate generation
• Customer details management
• Real-time auditing
How Does It Work
PressCal works from first principles using the actual DWT pressure equation:
()
()
()
[]
hg
ttA
c
P
f
rc
mi
a
gm
i
e
ΔΡ+
−++Ρ+
+
⎟
⎟
⎠
⎞
⎜
⎜
⎝
⎛
Ρ
Ρ
−⋅Σ
=
ααλ
σ
ρ
11
1
0
1
By using a combination of data files and your environmental/working details, PressCal
can achieve true accuracy and consistency in its calculations.
System Requirements
The following system specifications are required as a minimum to successfully install and
run the PressCal software:
• Microsoft® Windows 95 or higher
• 486 PC with maths coprocessor
Installation
Double click on setup.exe, then follow the online PressCal installation instructions.
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
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