Sequoia LISST-100X, Руководство пользователя

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LISST-100X User’s Guide 95
Abrasive powders must never be used near the optics
windows; they will scratch the windows and degrade
instrument performance.
O-rings O-rings that seal the mating parts of the instrument must be
maintained and inspected regularly. Whenever the
connector end cap is removed, check the O-ring for any
cuts or marks, and clean and lightly grease the O-ring
before installing the end cap. Spare end cap O-rings have
been provided. O-rings are inexpensive items that provide
an invaluable service; replace them if in any doubt about
their condition. When replacing the O-ring, be sure to clean
the O-ring groove thoroughly with cotton-swabs etc. making
sure that no fibers or particles of dirt are left after the
cleaning.
Calibrations and
adjustments
The LISST-100X should not require any adjustment or
calibrations. The pressure and temperature sensors can be
re-calibrated if desired. The performance of the instrument
can be checked with the use of a sample of particles of a
known size distribution. Such samples ship as part of the
instrument package. Standard particles can be obtained
from manufacturers of standard particles, such as
Whitehouse Scientific
(
http://www.whitehousescientific.com/ ) or PTI – Powder
Technology Inc. ( http://www.powdertechnologyinc.com/ ).
Comparison of the LISST-100X's performance with that
of other particle-size measuring devices that are not
based on laser diffraction may result in inconsistencies
because the instruments may measure different
properties of the particles to interpret particle size.
Maintenance
Notes
Battery Power
and Access
The main battery is mounted to the connector end cap.
SEQUOIA supplies the custom 9V battery packs for use
with the LISST-100X instrument. The use of batteries other
than these may void your warranty.
The step-by-step procedure for accessing and replacing the
battery pack is described below.