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 5985-01-654-2834
NSN 5855-01-210-7636
NSN 6220-01-190-3743
NSN 5998-01-285-6396
NSN 5990-01-443-2931
NSN 5985-01-588-8267
NSN 6130-00-635-9853
NSN 5910-01-463-8168
NSN 5945-00-872-2789
NSN 5985-00-021-6452
NSN 4140-00-758-7686
NSN 7035-00-437-7950