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 6135-00-505-0679
NSN 5915-01-335-8081
NSN 6220-00-741-1002
NSN 6610-01-277-6333
NSN 6105-01-359-9504
NSN 4140-01-490-3752
NSN 5895-01-519-8264
NSN 5835-00-892-3510
NSN 6150-00-537-4333
NSN 5965-00-424-9636
NSN 5999-01-061-1745
NSN 5960-00-976-4871