Michigan Administrative Code
Department - Agriculture and Rural Development
Food and Dairy Division
RegulationNo 569 - Smoked Fish
Section R. 285.569.3 - Fish-smoking establishment; requirements; temperature-indicating devices and temperature-recording devices generally

(a) A temperature-indicating device shall be installed where it can be easily read and the sensor for the device shall be located to ensure that it accurately measures the warmest temperature of the refrigeration equipment and the coldest temperature of the smoking equipment, as appropriate. The sensor shall be protected from mechanical damage. A temperature-indicating device shall be calibrated at the routine operating temperature of the refrigeration, cooling, or smoking equipment against a known accurate standard thermometer upon installation and at least once a year thereafter or more frequently if necessary to ensure its accuracy. Records of accuracy checks for a temperature- indicating device shall be maintained and shall specify the date, standard used, method used, results, and the person performing the test. A temperature-indicating device that has a divided fluid column or that cannot be adjusted to the standard shall be immediately repaired or replaced.

(b) A temperature-recording device shall be installed where it can be easily read and the sensor for the device shall be installed to ensure that it accurately measures the warmest temperature of the refrigeration equipment and the coldest temperature of the smoking equipment, as appropriate. Each temperature recording device shall be checked for accuracy against a known accurate temperature-indicating device upon installation and at least once a year thereafter or more frequently if necessary to ensure its accuracy. A record of the accuracy checks shall be maintained that specifies all of the following information: