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 6110-01-181-7080
NSN 5895-01-360-0572
NSN 5999-01-533-5990
NSN 5996-00-105-7271
NSN 6150-00-107-4146
NSN 5895-00-198-3565
NSN 6685-00-805-2671
NSN 2925-00-087-2465
NSN 6130-01-125-2567
NSN 6240-01-055-5193
NSN 6320-00-731-6134
NSN 5905-01-304-1886