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 6220-00-712-1779
NSN 5855-01-642-4726
NSN 5855-00-058-1293
NSN 5935-00-919-7718
NSN 5835-01-082-8009
NSN 5950-01-116-2142
NSN 6145-01-548-4920
NSN 5915-01-550-6099
NSN 6105-01-205-5273
NSN 5999-00-258-5519
NSN 5915-00-286-3272
NSN 6130-00-787-3024