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 4140-00-519-2781
NSN 6105-01-054-2346
NSN 6110-01-378-8801
NSN 6110-01-209-9007
NSN 6145-01-304-1357
NSN 6150-00-849-1350
NSN 5965-01-557-7793
NSN 5925-01-541-5465
NSN 6145-00-360-7760
NSN 5998-00-121-3349
NSN 5996-00-900-5251
NSN 4140-01-055-6190