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 5925-01-650-4264
NSN 5905-01-172-6544
NSN 6135-00-968-8594
NSN 6685-00-753-7429
NSN 5855-00-821-7512
NSN 5855-01-359-0373
NSN 5985-00-241-9282
NSN 5895-01-549-3644
NSN 5965-01-071-3704
NSN 5998-01-413-4646
NSN 6150-01-010-3727
NSN 7035-00-270-5519