Alcoholmeters; Anemometers; Durometers; Hygrometers; Illuminometers; Battery testers; Digital multimeters; Digital pH meters; Electrical outlet tester; Endoscopy cameras for industrial purposes; Flowmeters used in a wide variety of fields; Gas testing instruments; High-frequency switching power supplies; Infrared thermometers, not for medical purposes; Insulation resistance meters; Inverters for power supply; Laser rangefinders; Metal detectors; Oscillographs; Radiation detectors; Signal gene...