Ohio Rev. Code § 743.32
In a municipal corporation in which gasworks are constructed, the legislative authority thereof may provide, by ordinance, for the appointment of an officer, to be known as inspector of gas, whose compensation shall be fixed by the legislative authority, and whose duty it shall be to inspect all gas and gas meters, certify the correctness of all bills against consumers of gas, make photometric tests, and perform such other duties as are prescribed by ordinance. The legislative authority may also provide for the inspection and testing of meters used for measuring electric current for electric light, power, or other purposes, furnished by any individual or company within the municipal corporation, and may prescribe a suitable charge for such inspection and testing, and the manner of collecting it.
R.C. §743.32