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 4140-01-485-0417
NSN 6135-00-577-8429
NSN 6240-00-246-5060
NSN 4140-01-566-2698
NSN 6150-00-168-2566
NSN 5925-01-517-3989
NSN 2925-00-999-8967
NSN 5925-01-225-5774
NSN 5950-01-136-6986
NSN 5985-01-403-2835
NSN 5965-00-529-0602
NSN 5855-00-885-8452