This subchapter governs the calibrating and testing of electronic devices-nonradar-which measure elapsed time between two sensors, for use by a police officer, under 75 Pa.C.S. § 3368(c)(3) (relating to speed timing devices).
67 Pa. Code § 105.52a
This section cited in 67 Pa. Code § 105a.4 (relating to system and speed timing device use and certification).