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 5930-00-690-0078
NSN 5920-01-273-5121
NSN 5835-01-519-3834
NSN 5945-00-708-2363
NSN 5945-01-128-7915
NSN 5965-01-383-7235
NSN 6650-01-594-9915
NSN 6135-00-057-2005
NSN 5930-01-026-8862
NSN 5915-00-155-4766
NSN 6620-00-829-1860
NSN 6320-01-160-7757