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 5930-00-948-0031
NSN 5999-00-161-3421
NSN 5999-00-100-5761
NSN 5950-00-623-4770
NSN 6145-01-629-4079
NSN 6220-00-057-2236
NSN 5990-00-983-7530
NSN 6320-01-243-2276
NSN 5975-01-256-9813
NSN 5975-00-018-0815
NSN 5920-01-351-2193
NSN 6685-00-395-3272