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 5999-00-088-5096
NSN 5990-00-534-9798
NSN 6220-00-925-2233
NSN 5960-01-338-3412
NSN 6685-00-989-6921
NSN 6610-01-085-6947
NSN 6645-01-259-7142
NSN 6620-00-269-5168
NSN 6610-01-389-3082
NSN 5998-01-297-0366
NSN 5905-01-100-2541
NSN 5950-01-351-0517