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 5975-01-492-4800
NSN 5895-01-116-0461
NSN 7035-01-386-5722
NSN 5910-01-042-0098
NSN 7035-01-485-0269
NSN 5985-01-386-5898
NSN 5895-01-335-9716
NSN 6135-00-152-8729
NSN 6645-01-428-3576
NSN 5920-01-657-6238
NSN 4140-01-624-2199
NSN 6685-01-557-7514