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 5975-01-591-4092
NSN 5998-01-519-4163
NSN 5999-01-322-4906
NSN 5945-01-096-1289
NSN 5920-00-529-0618
NSN 5945-01-481-3701
NSN 6220-01-069-1128
NSN 5855-01-180-5369
NSN 5905-00-326-2002
NSN 6110-00-883-3505
NSN 5855-00-014-5008
NSN 6685-00-786-4050