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 6320-01-631-7828
NSN 5990-01-086-4825
NSN 5999-00-075-0177
NSN 6650-00-059-6268
NSN 5950-00-066-2474
NSN 5895-00-140-7397
NSN 5905-00-497-7170
NSN 6240-01-529-8452
NSN 6110-00-099-7113
NSN 6320-00-082-5868
NSN 5945-00-141-9017
NSN 6135-00-437-5182