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 6685-01-606-8336
NSN 5835-01-383-1313
NSN 5855-01-457-6122
NSN 5985-01-243-1669
NSN 6240-01-206-4809
NSN 5998-01-167-7599
NSN 6240-01-451-1409
NSN 6145-01-142-5732
NSN 5925-01-512-9924
NSN 4140-00-818-5734
NSN 6650-00-526-7785
NSN 5905-00-382-2783