An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5975-01-591-5724
NSN 6620-01-494-9858
NSN 2925-00-947-9814
NSN 5985-01-574-8150
NSN 5895-01-094-7728
NSN 6685-01-370-5258
NSN 6150-00-031-2407
NSN 6130-01-077-3002
NSN 6110-01-609-5138
NSN 5855-01-593-5558
NSN 5990-01-240-1100
NSN 5996-00-358-6257