National Stock Number:
1430-00-535-9751
Federal Supply Class:
1430
National Item Identification Number:
005359751
Description:
FREQUENCY METER
Detail:
(ALL EXCEPT USA) FOR USA INC 04238 CANCELED REPLACED BY METER, ELECTRICAL FREQUENCY: INC 16454, FIIG A310A, APPL KEY A. AN ITEM THAT GENERATES A SIGNAL OVER ONE OR MORE CONTINUOUISLY VARIABLE RANGES AND WHICH IS INTENDED TO CHECK OR MEASURE FREQUENCIES FROM OTHER SOURCES. MAY INCLUDE CRYSTAL FOR SELF-CHECKING CALIBRATION AT SPECIFIC FREQUENCIES. MAY INCLUDE CALIBRATION OUTPUT. DOES NOT INCLUDE OSCILLATOR (AS MODIFIED). FOR ITEMS WHICH DO NOT GENERATE A SIGNAL BUT ARE USED TO MEASURE THE REGULARLY RECURRING VARIATION IN AN ELECTRIC CURRENT OF VOLTAGE, SEE METER, ELECTRICAL FREQUENCY. FOR DEVICES WHICH ARE DESIGNED AS VOLTAGE SOURCES, SEE GENERATOR, SIGNAL. SEE ALSO CALIBRATOR, FREQUENCY; WAVEMETER; AND COUNTER, ELECTRONIC, DIGITAL READOUT.
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