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 6610-01-417-6336
NSN 6135-01-100-3593
NSN 6105-01-620-7747
NSN 6130-01-566-1084
NSN 5930-01-624-5807
NSN 6620-01-136-5492
NSN 4140-00-781-9432
NSN 6105-00-005-8505
NSN 5930-00-926-3103
NSN 6145-01-172-5630
NSN 6645-00-902-9693
NSN 6645-00-292-0093