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 5950-01-459-5828
NSN 5950-01-128-9065
NSN 6150-00-075-9898
NSN 6610-01-633-8931
NSN 6220-01-370-0831
NSN 7035-00-275-5604
NSN 5920-01-616-3401
NSN 5835-01-339-0542
NSN 5960-01-209-6917
NSN 6645-01-421-6909
NSN 6685-01-553-5320
NSN 6620-01-619-3980