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 5990-01-251-7313
NSN 5996-01-432-1145
NSN 5930-01-441-9400
NSN 6685-01-094-9379
NSN 5855-01-275-3111
NSN 4140-01-149-4803
NSN 6240-01-323-6512
NSN 5950-01-228-8289
NSN 4140-01-554-8576
NSN 6320-00-725-0754
NSN 6620-00-079-0311
NSN 6645-00-200-2324