Energy efficient windows are an important consideration for both new and existing homes. According to the Department of Energy, heat gain and heat loss through windows are responsible for 25%–30%… Read More
Structures that must bear weight or force are tested after construction by applying a static load and measuring the deflection of the structural elements. The deflections must be within permissible… Read More
Elevated highways are common in new road construction. The road bed is raised above the land surface by columns, or piers, set deep in the ground. This is advantageous in… Read More
Automotive braking systems are obviously very important and must be thoroughly tested prior to production. The force applied to the brake pedal by the driver must be sufficient to provide… Read More
A new model automobile must be thoroughly tested in climate extremes before it is put into production. Will the heater keep the passengers warm in a blizzard? Will the cabin… Read More
A string pot is a displacement measuring sensor that can conveniently measure displacements of a few inches to a few feet. It’s something like an ordinary tape measure but instead… Read More
Many pressure transducers and other field instruments use the two-wire 4-20 mA current loop for both power and signal. The 4-20 mA current loop is economical to install, using the… Read More
Metal buildings are relatively inexpensive, easy to construct and are used extensively for agricultural purposes in the western United States. But metal buildings are light and often present a large… Read More
The quarter-bridge strain gage configuration can be improved upon to increase the output signal into the USB2250 by adding another strain gage to the system. For the previous example, the… Read More
Strain gages are sensors that change in resistance proportional to the strain of the item to which they are affixed. Strain gages can also measure the stress at the points… Read More
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