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National Stock Number:
6625-01-542-7090
Federal Supply Class:
6625
National Item Identification Number:
015427090
Description:
RESISTANCE STANDARD
Detail:
AN ITEM WHOSE RESISTANCE IS KNOWN TO A HIGH DEGREE OF ACCURACY WHICH PERMITS IT TO BE USED AS A BASIS FOR DETERMINING THE VALUE OF OTHER RESISTANCES, CAPACITANCES, AND/OR INDUCTANCES AND FOR CALIBRATING INSTRUMENTS. SEE ALSO RESISTOR, FIXED (AS MODIFIED) AND SHUNT, INSTRUMENT. EXCLUDES RESISTOR, DECADE.
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Manufacturer Information:
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Techincal Specification:
| ELECTRICAL RESISTANCE | 1.9 OHMS | | CASE | PROVIDED | | OVERALL HEIGHT | 3.400 INCHES NOMINAL | | OVERALL LENGTH | 5.000 INCHES NOMINAL | | OVERALL WIDTH | 4.150 INCHES NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | HIGH ACCURACY RESISTANCE STANDARD | | SPECIAL FEATURES | EXTREMELY LOW TC:<2 PPM TOTAL FOR 18-28 DEGREES CELSIUS RANGE;STORAGE TEMPERATURE 0-40 DEGREES CELSIUS;THE ITEMS WEIGHS 1.6 LB;TERMINALS:FOUR 5-WAY BINDING POSTS FOR 4-TERMINAL MEASUREMENT FOR 190 KILOOHMS AND UNDER;TWO BINDING POSTS FOR 1 MEGAOHM AND OVER;THE BINDING POSTS ARE CONSTRUCTED OF TELLURIUM COPPER FOR LOW THERMAL EMF AND LOW RESISTANCE;A CASE GROUND TERMINAL IS PROVIDED;GUARD TERMINAL FOR 100 MEGAOHMS AND OVER;DMM DIRECT INPUT COMPATIBLES AVAILABLE;BNC, TRIAX, AND CUSTOM CONNECTORS AVAILABLE | | TERMINAL QUANTITY | 4 | | TERMINAL TYPE | BINDING POST |
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