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 6645-00-530-3468
NSN 5945-01-242-9989
NSN 5999-01-056-3153
NSN 5998-00-931-8413
NSN 5925-01-394-5365
NSN 5910-01-107-9799
NSN 6650-00-116-7439
NSN 6620-00-139-1064
NSN 5950-00-314-6180
NSN 6685-01-174-9574
NSN 6135-01-142-2417
NSN 6650-01-586-3131