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 6610-00-437-5681
NSN 5925-01-529-6371
NSN 6610-00-240-5437
NSN 5996-00-986-6646
NSN 5855-00-906-0994
NSN 7035-01-235-2295
NSN 5996-01-316-7863
NSN 6135-00-819-8074
NSN 5910-01-465-9843
NSN 5855-01-302-9778
NSN 2925-01-465-0795
NSN 5960-01-524-8642