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 5999-01-382-2785
NSN 6650-01-142-9293
NSN 5855-00-862-3345
NSN 6685-00-338-0216
NSN 5920-00-263-0622
NSN 6685-01-397-4138
NSN 6220-01-427-2333
NSN 5930-01-016-6645
NSN 5905-01-554-5261
NSN 6110-01-491-4207
NSN 6150-00-611-7059
NSN 5855-00-327-2112