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Heat Transfer and Alternative Energy Systems Group
Building Sensor Evaluation Lab
Overview Technologies Facilities Publications Facilities
The Building Envelope Sensor Evaluation Lab contains a number of pieces of equipment that assist in the investigation of the latest sensor technologies for detecting the hygrothermal condition of walls and roof assemblies.
Temperature and Humidity Chambers: The lab has two chambers in which temperature and relative humidity can be tightly controlled in order to examine the performance of humidity sensors and to condition samples of building materials to specific moisture contents. Ovens and larger chambers are also available for preparing specimens.
Two-pressure humidity generator. Temperature and humidity chamber. Conditioning chambers: The lab contains samples of building materials in conditioning chambers that have environments with constant relative humidity created by saturated salt solutions. Samples of gypsum board, OSB, plywood, insulation and sugar pine ranging from 2 inch squares to 3 foot panels are conditioned at relative humidity levels ranging from 0 % to 100 %.
Test wall: A wood-framed wall measuring 12 ft by 8 ft has been constructed to evaluate various sensor technologies. The wall simulates assorted features of typical walls, such as wires, pipes, nails, sheathing membranes, siding, windows, and interior finishes that may affect sensor readings. Other types of construction are planned in the future.
Scales: The lab is equipped with a number of precision scales and balances to accurately determine moisture contents gravimetrically.
Scales and specimen jars containing material samples. Building material samples in humidity conditioning jars. Checking moisture level in test wall.
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Last updated: 1/16/2008