Latest

January 18, 2019
Concrete surfaces are usually uneven, rough, and porous. In order to develop a proper substrate for gage bonding, it is necessary to apply a leveling and sealing precoat of epoxy adhesive to the...
January 18, 2019
The purpose of surface preparation is to develop a chemically clean surface having a roughness appropriate to the gage installation requirements, a surface alkalinity corresponding to a pH of 7 or...
January 18, 2019
Degreasing is performed to remove oils, greases, organic contaminants, and soluable chemical residues. Degreasing should always be the first operation. This is to avoid having subsequent abrading...
January 7, 2019
Resistance thermometry is a widely employed method of measuring temperature, and is based on using a material whose resistivity changes as a function of temperature. Resistance Temperature Detectors...
January 7, 2019
The Micro-Measurements Cable-Extension Displacement Sensor provides a voltage signal linearly proportional to the extension of a retractable stainless steel cable. Used for indicating the...
January 7, 2019
Intense, time-varying electromagnetic fields with steep gradients in field strength can cause troublesome noise in strain gage circuits. In severe magnetic environments, with low signal levels, the...
January 7, 2019
CD-Series Crack Detection Gages are designed to provide a convenient, economical method of indicating the presence of a crack, or indicating when a crack has progressed to a predetermined location on...
December 26, 2018
Jim Johnson speaks briefly about the high-quality tools required to perform a good strain gage installation. Many of these tools are found in the ATS-2 GAGE APPLICATION TOOL SET.  Enjoy the...
December 18, 2018
Load cell (tension bending, compression, shear, etc.) is a transducer (physical element) that converts mechanical force into electrical signal. There are several different types of load cells such as...
November 27, 2018
As an aviator, I’ve always found interest in aerospace applications of strain gages.  Strain gage use in testing aircraft goes way back to the 1940’s when experimental stress...