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An Automatic Data Acquisition System for Underground Measurements.
NTIS: PB 220 583 :10 pages
A 10-channel automatic data acquisition system has been designed and environmentally packaged for use with underground strain-gage applications and associated instruments. The system uses commercially available components and is assembled in two plastic enclosures. Environmental control is provided through a specially designed (compressed-air) air-conditioning system and water- resistant cabling. Accuracies of 0.01 pct and resolution of 1 uv have been obtained in underground tests.
IH; Report of Investigation;
NTIS Accession No.
NTIS: PB 220 583
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division