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The linear pattern Karma strain gauges are used
to measure strain in a single direction.
The strain gauge pattern is shown in the images on
the left side of the table in the pdf data sheet. There is also an
"arrow" drawn by the image, which indicates the principal
The linear pattern strain gauges are
available in a variety of styles and
sizes. OMEGADYNE® offers miniature
linear patterns for strain measurement
of a stress concentration or high gradient areas.
The terminations are
offered both at one end of the grid, or
with one at each end of the grid. Wide
or narrow linear grid patterns are
available. Karma gauges are supplied with
plated solder pads for easy wiring.
To determine if the strain gauges have
temperature characteristics matched to
steel or aluminium, see the column labeled
"COMP" short for compensation,
"ST" indicates steel, "AL" indicates
aluminium. See the column labeled
"BTP" for accessory bondable terminal
pad model numbers.
Dimensions are listed for pattern gauge
grid length (A) and width (B), and the
matrix or carrier length (C) and width
(D). The patterns include alignment
triangles and letter codes indicating