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 6240-00-731-5071
NSN 5998-01-581-1043
NSN 5925-00-147-0749
NSN 5905-00-012-3301
NSN 5998-01-004-8935
NSN 5895-01-105-8336
NSN 6135-00-835-7211
NSN 5925-00-446-2464
NSN 6220-00-244-2040
NSN 7035-01-224-5165
NSN 6650-01-111-1011
NSN 2925-01-285-0919