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 5915-01-471-2456
NSN 5998-00-852-8318
NSN 6610-01-035-1252
NSN 5895-01-600-1233
NSN 6685-01-054-4409
NSN 6620-00-338-6482
NSN 5965-01-348-8761
NSN 6145-01-200-4659
NSN 5895-01-350-0348
NSN 6685-01-216-4146
NSN 5910-01-422-9233
NSN 6135-01-540-9655