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 4140-00-240-1836
NSN 6685-00-820-4724
NSN 6320-01-170-4068
NSN 5910-01-504-0496
NSN 7035-01-612-8091
NSN 4140-01-459-3136
NSN 5935-01-416-4407
NSN 6145-01-542-6145
NSN 5855-01-577-3140
NSN 5930-01-358-9738
NSN 5999-01-414-5398
NSN 5855-01-066-4399