■ Are
pressure units really standardized?
If you take a closer look at the
pressure displays on HPLC systems, you’ll notice a variety of units—psi,
bar, and even
kgf/cm². Although
the SI (International System
of Units) defines
Pascal (Pa) as the standard pressure unit, in practice,
non-SI units like psi
and bar are still
widely used in the chromatography field. In Japan,
kgf/cm² also
remains in use, especially in specifications and older instruments.
For a more in-depth discussion,
refer to my previous column:
👉
Column #5: On Pressure Units
■ Tired
of manual conversions? Try this tool!
Comparing system specifications,
checking column pressure limits, or interpreting user manuals—these
tasks can be frustrating when pressure units don’t match.
For example:
To eliminate the hassle of
manual calculation, we’ve created an
original online pressure
unit conversion tool tailored for HPLC users.
👉
Try the Pressure Conversion Tool
It allows instant conversion
between Pa, bar, psi,
kgf/cm², MPa, and more.
■
More than just conversion: practical HPLC applications
This tool isn’t just for
academic curiosity—it’s also useful in practical scenarios:
-
Verifying whether a
column’s pressure rating (in bar) is within the system’s limit
(in psi)
-
Standardizing pressure
values across international specifications
-
Bridging unit differences
between Japanese and overseas instrument manuals
■
Avoid costly mistakes due to unit confusion
Mistakes involving pressure
units can lead to damaged
columns or instruments, especially when units like
psi and
kgf/cm² are mixed
up.
By using this tool regularly,
you can minimize such
risks and improve experimental safety.
👉
Imtakt Pressure Conversion Tool
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