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 5925-01-473-7633
NSN 6650-01-381-7172
NSN 6130-00-700-1190
NSN 7035-01-369-1445
NSN 5915-00-721-2204
NSN 5925-01-125-0403
NSN 6645-00-928-2865
NSN 6320-00-845-3261
NSN 5950-01-193-9880
NSN 6610-01-182-9828
NSN 6645-01-408-6568
NSN 7035-01-620-2873