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 6145-00-066-0177
NSN 6240-01-388-4099
NSN 6150-01-412-1123
NSN 5935-01-557-0128
NSN 5930-01-646-1842
NSN 6685-01-293-5714
NSN 6620-01-611-3511
NSN 6320-00-908-6841
NSN 6610-00-356-6122
NSN 5910-01-603-7835
NSN 5895-01-192-2429
NSN 6145-01-627-3256