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 6650-01-227-8761
NSN 6220-01-091-2470
NSN 6220-01-184-7327
NSN 6620-00-220-2157
NSN 5855-00-198-3197
NSN 5935-00-411-8408
NSN 5945-01-246-0754
NSN 6240-01-224-6941
NSN 6320-01-268-3072
NSN 5985-01-314-7571
NSN 6645-00-491-3611
NSN 7035-00-753-0695