Dry Standard vs Affected Reading
Delta above the unaffected dry standard, a dry/wet verdict, and points still to remove from moisture-meter readings.
Example
You enter
- Unaffected reference reading (dry standard) 12
- Affected material reading 35
- Acceptable delta above standard 4
You get
- Delta above standard 23
- Points still to remove 19
Checked against published worked examples from: IICRC S500-2021 dry-standard concept.
Details, formula, and sources
Formula or tabledelta = affected_reading - reference_reading (the unaffected dry standard); at_dry_standard = delta <= acceptable_delta; points_to_go = max(0, delta - acceptable_delta).
Source and editionIICRC S500-2021 dry-standard concept by name: a material is dry when its moisture content matches similar unaffected material in the same structure.
Free accessIICRC S500-2021 licensed; the dry-standard comparison concept is summarized in original plain English here.
What governsEstimate. AHJ and licensed professional govern.
API field namesreference_reading, affected_reading, acceptable_delta, delta, points_to_go
- Acceptable delta default 4 points above the unaffected standard (editable)IICRC S500 field practice