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 5915-01-044-5260
NSN 5930-01-468-3121
NSN 5920-01-116-4236
NSN 6320-01-202-8761
NSN 5855-01-398-6704
NSN 5910-01-455-4224
NSN 5835-01-185-1102
NSN 5960-00-798-5585
NSN 6320-01-519-8767
NSN 2925-01-254-3068
NSN 6130-01-175-4849
NSN 5925-01-451-9470