Page 117 - GarlockFluidSealing2010

C-57
Fourier Transform Infrared Spectrometer
(FTIR)
This instrument is equipped with a number of
attachments that allow scanning of liquids and solids
either by transmittance or refectance. The spectrum of
the scanned sample can be compared against standard
spectra contained in internal libraries within the instrument.
The search program automatically fnds the best match.
The sample and library spectra can be displayed together
on the screen for comparison.
Imaging System
System consists of a Polarized Light Microscope
(PLM), Stereo Microscope, Marcro Stand, Digital Camera
and Image Analysis Software. The System is useful in
many areas including investigating new materials, analysis
of competitive products and in failure analysis.
The state of polarization of a light beam is gener-
ally modifed when it is refected or transmitted through a
material. That phenomenon allows PLM to be useful in
material identfcation and characterizztion, especially f-
bers and fllers. Magination in execess of 400X is possible.
The Stereo Microscope provides 3D images with a
maxium magnifcation of approximately 100X.
The Digital Camera / Image Analysis Software per-
mits for acrchieving, manipution and measurement of the
images of interest.
Stereo microscope or Disecting microscope: Ste-
reoscopic (3D) vision is possible by the combined action
of two eyes. This requires an independent optical system
for each eye (similar to how binoculars work). A stereo
microscope features two tubes with independent optical
systems with two eyepieces and two objectives. Which
means that a stereo microscope is in fact, a combination
of two compound monocular microscopes whose optical
axes are at a right angle to each other and directed to the
same specimen area.
Stereo microscopes are used for viewing natural
specimens such as minerals, insects, plant parts; they are
also used for technical applications such as illuminating
coins, textiles, and electronic components. Because of its
long working distance, dissection and precision assembly
are possible under the stereo microscope.
A stereo microscope uses two different paths of light.
This allows you to see a specimen in 3-D. Stereo micro-
scopes have high depth perception but low resolution and
magnifcation. These microscopes are great for dissecting
Test Equipment
as well as for viewing fossils and insect specimens. The
best models have a built-in light source and zoom capa-
bilities.
Programmable, Multi-Functional Test Stand
(A.S.T.—Advanced Seal Tester)
This highly sophisticated, PC-driven test stand
evaluates properties of gasketing materials under varying
conditions; it can be programmed to test leak rates from
high vacuum to 300 psig internal pressure, with different
compressive loads or test temperatures. Any of the param-
eters listed below can be programmed to ramp up while
the other conditions are held constant, to study the effects
these conditions have on the sealability of materials. A
Helium Mass Rate Spectrometer can monitor leak rates;
gasket thickness and leak rates are monitored to deter-
mine percent compression vs. load, leak rate vs. compres-
sive stress, maximum crush resistance, and more.
Programmable Parameters:
• Compressive load (stress)
• Time
• Temperature
• Internal pressure or vacuum
• Leak rate measurement
Capabilities:
• Compressive load:
To 107,000 lbs force (475 KN) at room temperature
To 73,000 lbs force (325 KN) at 570°F (300°C)
• Temperature: to 840°F (450°C)
• Gasket thickness: 0-5/16" (0-8mm)
• Internal pressure: High vacuum (10-3 mbar) to
300 psig He (20 bar)
• Helium leak rate measurement: 1 standard cc/ second
down to 1 x 10-11 standard cc/ second
Questions? Call Gasket Applications Engineering
at 1-800-448-6688
Gaskets
Garlock
®