BPC §12200: There is in each county the office of county sealer of weights and measures.

There is in each county the office of county sealer of weights and measures. The county sealer shall be appointed by the board of supervisors, except in chartered counties where a different method of appointment is prescribed. The term of office of such sealer is four years from and after his appointment and until his successor is appointed but he may be removed as hereinafter provided. In addition to his salary each sealer is entitled to his necessary traveling and other expenses incurred in the performance of his duties. A county sealer may, with the consent of the power appointing him, appoint deputies or inspectors when necessary or expedient to carry out the duties of his office. Such deputies or inspectors shall serve at the pleasure of the county sealer. The sealer may employ such clerks and employees as may be approved by the appointing power. Any such clerk or employee shall not have authority to enforce the provisions of this chapter. A county may in its discretion refer to a deputy county sealer as a weights and measures inspector.