Ambient air and water temperature measuring devices that are scaled in Celsius or dually scaled in Celsius and Fahrenheit shall be designed to be easily readable and accurate to 1.5 degrees C (2.7 degrees F) at the use range.
Ambient air and water temperature measuring devices that are scaled only in Fahrenheit shall be accurate to 3 degrees F at the use range.
23 SR 519
October 11, 2007
Official Publication of the State of Minnesota
Revisor of Statutes