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ASTM-D7438 2008

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D7438-08 Standard Practice for Field Calibration and Application of Hand-Held Moisture Meters

Published By Publication Date Number of Pages
ASTM 2008 10
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1.1 This practice applies to the measurement of moisture content of solid wood, including solid wood products containing additives, that is, chemicals or adhesives, by hand-held moisture meters under conditions of end-use.

1.1.1 This practice includes calibration, use, and interpretation of meters for conditions that relate to wood product characteristics, such as nonuniform grain and growth ring orientation, and to end-use process conditions, such as moisture gradients.

1.1.2 Meters employing differing technologies may not provide equivalent readings under the same conditions. When this practice has been applied, it is assumed that the referenced meter is acceptable unless otherwise specified. Meters shall have been calibrated by Test Methods D 4444 .

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
Significance and Use
2 Standardization
Calibration
3 X1. COMMENTARY
TABLE X1.1
4 X2. METER USE
X2.1 General
X2.2 Common Operating Variables
5 X2.3 Technology-Specific Considerations for End-Use
7 X3. CONCEPTS OF CALIBRATION AND PREDICTION IN USE OF HAND-HELD MOISTURE METERS
X3.1 Concepts of Calibration
X3.2 Calibration of Hand-Held Meters
8 X3.3 Prediction of Moisture Content Using Hand-Held Meters
ASTM-D7438 2008
$40.63