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 6135-00-539-8088
NSN 6145-00-502-1828
NSN 5990-00-990-1711
NSN 5950-00-100-6737
NSN 5910-00-729-3433
NSN 5996-00-141-3945
NSN 6685-01-333-7597
NSN 5975-01-401-5355
NSN 5990-01-093-0836
NSN 4140-00-126-4685
NSN 6620-00-257-2783
NSN 6110-01-053-5500