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 6135-01-251-7054
NSN 5990-01-258-0512
NSN 6105-01-528-8027
NSN 6150-01-278-2087
NSN 4140-01-331-5974
NSN 5998-00-659-9533
NSN 7035-01-160-4423
NSN 6610-01-216-9542
NSN 5990-00-145-1187
NSN 5990-01-492-6575
NSN 5915-00-422-5222
NSN 5998-00-442-0495