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 5975-01-429-0022
NSN 5835-01-339-0542
NSN 4140-00-163-6200
NSN 5935-01-425-7799
NSN 5960-01-641-5493
NSN 6145-01-383-6144
NSN 6240-01-113-6412
NSN 5975-01-131-0770
NSN 5950-01-224-6446
NSN 5835-01-384-3206
NSN 5945-01-041-5545
NSN 6220-01-476-6895