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 6645-01-450-7271
NSN 2925-00-228-8854
NSN 6220-01-234-9151
NSN 5975-00-371-6592
NSN 6130-00-686-4906
NSN 6650-01-528-0538
NSN 5935-00-269-5516
NSN 5855-00-797-8217
NSN 5965-01-439-5800
NSN 5975-01-159-5227
NSN 7035-00-553-6951
NSN 6145-01-494-5134