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 5950-00-148-9655
NSN 5925-01-525-7694
NSN 5910-01-451-4292
NSN 6645-01-171-9619
NSN 5910-01-151-2522
NSN 5975-00-596-2119
NSN 6685-01-471-3554
NSN 2925-01-408-6205
NSN 6240-01-406-3589
NSN 5960-01-029-4551
NSN 6650-00-283-0978
NSN 5935-01-317-5501