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 5965-00-285-0745
NSN 5930-01-433-1606
NSN 4140-01-211-7836
NSN 5895-00-864-4696
NSN 5925-01-351-5541
NSN 5895-01-125-8022
NSN 5960-01-201-6316
NSN 5930-00-216-7511
NSN 5935-00-079-4068
NSN 5925-01-323-0113
NSN 5855-01-130-1501
NSN 6130-00-978-4535