What requirements apply to instruments and controls used to measure, regulate, or record?
21 C.F.R. § 112.124
in effectEffective: 2024-07-01Instruments or controls you use to measure, regulate, or record temperatures, hydrogen-ion concentration (pH), sanitizer efficacy or other conditions, in order to control or prevent the growth of microorganisms of public health significance, must be:
(a) Accurate and precise as necessary and appropriate in keeping with their purpose;
(b) Adequately maintained; and
(c) Adequate in number for their designated uses.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026