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....Model 3442 Miniature Extensometers .... |
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 Very
small, rugged yet ultra-light weight, these units are
widely used for testing small and delicate samples.
Ideal for many biomedical tests, as well as for wire
and thin sheet materials. Also great for low cycle fatigue
testing where short samples are used.
Weighing as little as 8 grams, these tiny extensometers
also have very low operating force, resulting in little
specimen contact force and influence. All use an Epsilon
proprietary dual flexure design, which makes them very
rugged for their size. Only 0.6 inches tall (15.25 mm),
these extensometers will fit in the small space between
grips which usually results when small test samples
are used.
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Features
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Very
small size and weight (most are 8 grams). |
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Operate
in tension and compression (or cyclic). |
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Tough
dual flexure design for strength and improved performance.
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Low
activation force, 10 - 20 grams for most models. |
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Quick
Attach Kit for quick, one hand mounting on specimens.
Works for both flat and round specimens. |
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Spacers
can be provided to allow changing gage lengths. |
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Optional
high and low temperature versions. |
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Special
coatings and stainless steel knife edges available for
biomedical tests. |
Specifications
Full bridge strain gaged
design
Output: 2 to 4 mV/V nominal
Excitation: 10 VDC typical, up to 15 VDC or VAC max.
Temperature range: -40 to +100 C (-40 to 210 F)standard
Cable: integral, ultra-flexible cable, 8 ft (2.5 m)
standard |
Model 3442 Available Versions
| ANY combination of gage
length, travel and temperature range listed below is
available, except as noted. |
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Gage Length
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| METRIC |
U.S.A. |
| 6 mm |
0.25 in. |
| 8 mm |
0.5 in. |
| 10 mm |
0.64 in. |
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Travel in Percent
Strain
(and linearity of output in percent of full scale)
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| Percent |
Linearity |
| ± 5 |
0.10 % |
| ± 10 |
0.10 % |
| +20/-10 |
0.15 |
| +25/-10 |
0.15% |
| +50/-5 |
0.15% |
| +100/-5 |
0.15% |
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Temperature Ranges
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Low: -265 to + 100 C (-450 to
+210 F)
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Standard: -40 to +100 C (-40
to +210 F)
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High 1: -40 to +150 C (-40 to
+300 F)
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High 21: -40 to +175 C (-40 to
+350 F)
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All models come with a
rugged, foam lined case |
3442 with 0.5 in gage length
and 50% travel |
Model 3442 with
quick attach kit |
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For
more information on calibration services or digital retrofits
please contact us.
CALIBRATION
SERVICES, INC.
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300 Buttertown Road
Emlenton, PA 16373
(724) 867-6664 or (800) 793-1870
FAX (724) 867-1346
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