No person, with the intent to use the same for weighing or measuring articles or commodities to be bought or sold, shall alter or cause or permit to be altered or knowingly use or permit to be used after the same have been altered, any weights, measures, scales, beams, steelyards, platform scales or other machinery or appliances, utensils or receptacles for weighing or measuring after the same have been tested, marked and sealed as required by this chapter, and which by reason of such alteration do not conform to the standards established in Section 880.01.
(1969 Code Sec. 97.11)