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 5990-01-309-5840
NSN 5975-01-268-4757
NSN 6620-01-468-6017
NSN 5925-00-145-9065
NSN 6220-01-286-9100
NSN 6320-01-162-5977
NSN 6685-01-358-1209
NSN 6685-01-367-3675
NSN 6135-00-505-0679
NSN 5985-00-416-5683
NSN 5990-00-568-4940
NSN 5965-01-299-4568