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 5950-01-348-7211
NSN 6610-01-442-1785
NSN 6145-01-269-3850
NSN 4140-01-390-0455
NSN 6620-01-221-1942
NSN 5910-01-325-6866
NSN 7035-01-012-5807
NSN 5950-00-081-3017
NSN 5905-01-415-5116
NSN 5910-01-066-3756
NSN 5855-00-688-9954
NSN 2925-00-156-6615