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National Stock Number:
6625-00-071-8380
Federal Supply Class:
6625
National Item Identification Number:
000718380
Description:
COUNTER,ELECTRONIC,DIGITAL READO
Detail:
AN INSTRUMENT USED TO COUNT THE FREQUENCY OF RECURRENT ELECTRONIC EVENTS AND DISPLAY THE COUNT ON THE PANEL OF THE INSTRUMENT IN NUMERIC FORM. MAY ALSO INCLUDE FACILITIES FOR A READOUT PRINTED ON TAPE. MAY INCLUDE FACILITIES FOR A VERY ACCURATE OUTPUT WHICH CAN BE USED AS A SECONDARY TRANSFER STANDARD. IT CAN BE USED TO MEASURE FREQUENCY, PERIOD, TIME INTERVAL, PHASE ANGLE, FREQUENCY RATIO, AND FOR MULTIPLE PERIOD AVERAGING. SEE ALSO COUNTER, ELECTRONIC, DIGITAL AND INDICATOR, DIGITAL DISPLAY.
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Manufacturer Information:
| ANUSM245 | 80058 | JOINT ELECTRONICS TYPE DESIGNATION SYSTEM |
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Techincal Specification:
| ACCURACY RATING | PORM 1 COUNT PORM TIME-BASE ACCURACY | | CURRENT TYPE | AC | | GATE TIME | 1.0000 MICROSECONDS NOMINAL AND 10.0000 MICROSECONDS NOMINAL AND 0.0001 SECONDS NOMINAL AND 0.0010 SECONDS NOMINAL AND 0.0100 SECONDS NOMINAL AND 0.1000 SECONDS NOMINAL AND 1.0000 SECONDS NOMINAL AND 10.0000 SECONDS NOMINAL | | ENTRY DATE | 71-09-01 | | FREQUENCY RANGE | +0.00001 TO 1.20000 MEGAHERTZ OVERALL | | FREQUENCY RATING | 400.0 HERTZ NOMINAL | | FUNCTIONAL CLASSIFICATION | AA6.10 | | FUNCTIONAL DESCRIPTION | INTEGRAL,PORTABLE,SOLID STATE; CIRCUITRY UTILIZED IN PERFORMING THE INDICATIONS INCLUDE INPUT AMPLIFIERS,A GATE CONTROL,FREQUENCY DIVIDERS,DECADE AND READOUT BOARDS,NUMERICAL DISPLAY TUBES,A DECIMAL POINT AND UNITS INDICATOR,A POWER SUPPLY AND REGULATOR,A RF OSCILLATOR,AND FRONT PANEL CONTROLS | | INCLOSURE MATERIAL AND LOCATION | ALUMINUM CASE | | INCLOSURE SURFACE TREATMENT AND LOCATION | ENAMEL CASE | | OVERALL HEIGHT | 5.000 INCHES NOMINAL | | OVERALL LENGTH | 19.000 INCHES NOMINAL | | OVERALL WIDTH | 17.000 INCHES NOMINAL | | MEASUREMENT TYPE | FREQUENCY AND PERIOD AVERAGE AND RATIO AND TOTALIZING | | PHASE | SINGLE | | REFERENCE DATA AND LITERATURE | TECH MANUEL: NAVSHIPS 0967-254-5010; OPER HDBK: NAVSHIPS 0967-254-5010; EQUIPMENT SPEC: MIL-C-24189 | | RELATIONSHIP TO SIMILAR EQUIPMENT | SUITABLE SUBSTITUTE 6625000443228 | | VOLTAGE RATING | 115.0 VOLTS NOMINAL | | WATTAGE RATING IN WATTS | 50.0 | | TYPE/MODEL DESIGNATION | AN/USM-245 | | UNPACKAGED UNIT WEIGHT | 70.000 POUNDS |
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