- Author
- Rennex, B.
- Title
- Error Analysis for the National Bureau of Standards 1016 mm Guarded Hot Plate.
- Coporate
- National Bureau of Standards, Washington, DC
- Sponsor
- Department of Energy, Washington, DC
- Report
- NBSIR 83-2674, February 1983, 47 p.
- Distribution
- Available from National Technical Information Service
- Contract
- DE-AI01-76PR06010
- Keywords
- error analysis | guarded hot plate | thermal conductivity | thermal insulation | thermal resistance
- Abstract
- An error analysis is given for the 1-meter Guarded Hot Plate at the National Bureau of Standards. This apparatus is used to measure the thermal resistance of insulation materials. The individual contributions to uncertainty in thermal resistance are discussed in detail. The total uncertainty is estimated to be less than 0.5 percent at sample thicknesses up to 150 mm (6 inches) and less than 1 percent at a thickness of 300 mm (12 inches).