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 6645-00-171-9639
NSN 5950-00-982-7624
NSN 6220-00-477-4109
NSN 6130-01-278-9305
NSN 4140-01-252-8902
NSN 6145-00-625-0714
NSN 5975-00-260-1336
NSN 6610-01-462-5980
NSN 6130-01-252-8823
NSN 5930-01-115-2322
NSN 5915-01-608-4053
NSN 5855-01-442-5401