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 6650-00-754-2276
NSN 5935-00-105-3761
NSN 4140-01-219-9209
NSN 5985-00-690-4634
NSN 7035-01-527-3883
NSN 5930-01-605-4967
NSN 6135-00-725-9369
NSN 4140-01-307-0272
NSN 6685-00-135-0673
NSN 6620-00-675-6689
NSN 6620-00-583-2687
NSN 6610-01-027-8736