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 5925-01-435-0411
NSN 6610-01-227-1692
NSN 6620-01-204-9214
NSN 6685-01-477-2349
NSN 6645-01-626-3651
NSN 6110-00-144-6763
NSN 6105-01-226-1139
NSN 5998-00-595-8594
NSN 6240-01-371-3436
NSN 2925-00-982-0409
NSN 6320-00-242-3300
NSN 5915-00-131-1057