Anemometers; Digital multimeters; Electric meters; Electrical outlet tester; Gas detectors for detecting the presence of gas; Hydrometers; Illuminometers; Infrared thermometers, not for medical purposes; Insulation resistance meters; Laser measuring systems; Measuring apparatus, namely, clamp meters for measuring electricity; Measuring apparatus, namely, laser distance meters; Sound level meters; Tachometers; Vibration meters