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 5915-01-403-2599
NSN 5895-00-368-9243
NSN 5985-01-106-3968
NSN 2925-01-577-7786
NSN 5930-00-803-7759
NSN 5855-01-660-5088
NSN 5930-00-837-1590
NSN 5910-00-931-2795
NSN 5975-01-485-9246
NSN 6650-01-263-2355
NSN 6240-01-214-9458
NSN 5950-00-269-4805