July 2011, Vol. 238 No. 7

Features

New Measurement Tech For Lab, Field Pressure Recording

Chart recorders, deadweight testers and analog pressure gauges have been stock tools of the gas pipeline trade for decades. Each device brought several advantages technicians needed, so all three became common, despite the drawbacks they came with. Now reference recorders are available to replace all three with a single instrument. Reference recorders are available as a battery-operated field unit or in a rack-mountable laboratory version. Devices such as Crystal Engineering’s nVision unify the recording capability of a chart recorder, the high accuracy of a deadweight tester, and the continuous measurements of a pressure gauge into one tool that is easier to use and less

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