Accuracy—Temperature measuring devices, ambient air and water (FDA Food Code 4-203.12).

(1) Ambient air and water temperature measuring devices that are scaled in Celsius or dually scaled in Celsius and Fahrenheit must be designed to be easily readable and accurate to ± 1.5°C in the intended range of use.

(2) Ambient air and water temperature measuring devices that are scaled only in Fahrenheit must be accurate to ± 3°F in the intended range of use.

[Statutory Authority: RCW 43.20.050 and 43.20.145. WSR 21-01-122, § 246-215-04222, filed 12/15/20, effective 3/1/22; WSR 13-03-109, § 246-215-04222, filed 1/17/13, effective 5/1/13.]

PDFWAC 246-215-04222

Accuracy—Temperature measuring devices, ambient air and water (FDA Food Code 4-203.12).