Tricks
July 31, 2015
Bonding the gage is the first step in making a strain measurement. And the first step in bonding the gage is to create good alignment marks. Unless a three-element rosette is used, then...
July 10, 2015
Sometimes strain gages are installed in locations that can't be reached with a soldering pencil, such as the internal surfaces of pipes, in a hole, in a tube, in a box, or even with a fox. There...
July 6, 2015
When stripping wires, don't use mechanical methods such as diagonal cutters or your teeth. You might end up breaking strands of the wire, which could lead to a cable fatigue issue. Worse yet, you...
June 30, 2015
When testing very high strains, we recommend performing a shunt calibration representing the targeted strain in order to properly calibrate the entire system. Higher strain representation will...
June 8, 2015
The tip of your soldering pencil oxidizes rapidly, prohibiting heat transfer to the target soldering location. Keeping the pencil tip clean with a thin coat of solder between uses will help assure...
May 28, 2015
Twisting wires together doesn't constitute a sound strain gage connection. Soldered connections, spring-loaded push posts, binding posts, and screw terminals are all preferable.
May 28, 2015
When testing with stacked rectangular rosettes, we recommend reducing the excitation voltage by 2.5x when compared to a uniaxial gage of the same size. For more information on excitation levels,...
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