Food temperature measuring devices that are scaled only in Celsius or dually scaled in Celsius and Fahrenheit shall be accurate to plus or minus one degree Centigrade (+-1° C)) (plus or minus two degrees Fahrenheit (+- 2° F)) in the intended range of use.
Food temperature measuring devices that are scaled only in Fahrenheit shall be accurate to plus or minus two degrees Fahrenheit (+-2 ° F) (plus or minus one degree Centigrade (+-1° C)) in the intended range of use.
D.C. Mun. Regs. tit. 25, r. 25-B1204