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 6645-00-536-1555
NSN 2925-00-992-7904
NSN 5895-00-483-8629
NSN 5910-01-290-4803
NSN 7035-00-312-3055
NSN 5835-00-553-3575
NSN 6610-00-015-1381
NSN 5835-01-235-9051
NSN 6650-01-078-1284
NSN 5925-01-096-8607
NSN 6150-01-421-4028
NSN 5835-00-823-6116