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 4140-01-629-7605
NSN 6320-00-925-0558
NSN 6320-01-465-2028
NSN 5985-01-163-6425
NSN 5915-00-394-6523
NSN 5895-01-150-1918
NSN 6650-01-462-0830
NSN 6135-00-100-8890
NSN 5925-00-602-8623
NSN 7035-01-383-6549
NSN 6610-01-328-8098
NSN 6240-01-553-9555