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 6650-01-528-1756
NSN 5930-00-104-6148
NSN 6150-00-757-1677
NSN 5990-01-345-1468
NSN 5975-00-246-7393
NSN 4140-01-609-8360
NSN 6320-01-359-3921
NSN 6105-01-340-8045
NSN 6610-00-169-1754
NSN 6685-01-434-2066
NSN 7035-00-140-0474
NSN 5990-00-105-7831