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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 9, 2015
In his book, The Black Swan: The Impact of the Highly Improbable, Nassim Nicholas Taleb extended the concept of black swan events beyond his original limit of financial circles. Black swan is...
July 8, 2015
A strain gage acts like a variable resistor that changes value with surface displacement. It is still a resistor without polarity, so you can wire a three-wire quarter bridge to the strain gage with...
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...
July 2, 2015
Prior to strain gage bonding, preparing the surface of the test article is paramount, and proper cleanliness and surface finish are critical. Surface irregularities in a test article disturb the...
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 26, 2015
What are the differences between static and dynamic testing as far as strain gage testing is concerned? In a static test the operator is able to read the value displayed on their instrument and then...
June 24, 2015
When bonding strain gages, it's critical to "avoid the voids." Bubbles — or voids — in the glueline result in poor zero stability, problems with drift, and zero shift.
June 23, 2015
The vast majority of installations employ adhesive bonding, a tried and true method used since the invention of the bonded resistance strain gage in 1936. Micro-Measurements offers an extensive line...
June 18, 2015
The shelf life of conditioner, neutralizer, and catalyst C is not extended by refrigeration. Catalyst C actually has an unrefrigerated shelf life that is longer than the extended 200 adhesive shelf...
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