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 6150-01-648-5198
NSN 6685-00-540-9017
NSN 5910-00-223-5454
NSN 5985-01-411-6502
NSN 6645-01-415-5982
NSN 5930-01-173-0328
NSN 6105-00-473-2314
NSN 6135-01-295-2708
NSN 6220-00-333-6002
NSN 6240-00-086-6504
NSN 2925-00-156-8963
NSN 6685-00-965-0192