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 6320-00-845-3261
NSN 5975-00-820-1581
NSN 4140-01-239-8027
NSN 6685-01-439-1704
NSN 5996-01-565-0419
NSN 6685-01-618-7627
NSN 6220-01-471-4029
NSN 5998-00-523-4088
NSN 6620-01-645-4148
NSN 6135-01-581-8843
NSN 5945-01-605-0725
NSN 5925-01-055-2033