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 5895-01-348-5127
NSN 5975-01-447-6439
NSN 6320-01-301-4699
NSN 6105-01-519-5222
NSN 6135-01-623-2970
NSN 5999-01-281-1673
NSN 6685-01-378-6214
NSN 5895-01-111-2328
NSN 5960-01-356-4429
NSN 5965-01-506-9438
NSN 6610-01-577-3834
NSN 5925-01-461-7586