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National Stock Number:
6625-01-421-2500
Federal Supply Class:
6625
National Item Identification Number:
014212500
Description:
OHMMETER
Detail:
AN INSTRUMENT WHICH MEASURES ELECTRICAL RESISTANCE AND IS CALIBRATED IN OHMS OR ANY MULTIPLE AND/OR SUBMULTIPLES THEREOF. THE VALUE MAY BE EXPRESSED BY MEANS OF A POINTER AND CALIBRATED DIAL OR A DIGITAL READOUT DISPLAY. SEE ALSO TEST SET, INSULATION BBEAKDOWN.
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Manufacturer Information:
| 7387K22 | 39428 | MCMASTER-CARR SUPPLY CO |
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Techincal Specification:
| ACCURACY IN PERCENT | -5.0 TO 5.0 AT FULL SCALE FIRST INDICATOR ALL RANGES | | FURNISHED ITEMS AND QUANTITY | 1.5V BATTERIES 4;MEASUREMENT LEADS 3;EARTH SPIKES 2;CARRYING CASE 1;ACCESSORY CASE 1;INSTRUCTIONS 1 | | FREQUENCY RATING | 0.0 HERTZ MINIMUM AND 500.0 HERTZ MAXIMUM | | FUNCTIONAL DESCRIPTION | MEASURES GROUND CONNECTION RESISTANCE OF ELECTRICAL INSTALLATIONS SUCH AS THOSE FOUND IN POWER PLANTS,INDUSTRIAL PLANTS,HIGH-TENSION TOWERS,AND LIGHTNING ARRESTORS;MEASURES EARTH REISITANCE FROM 0 TO 1000 OHMS AND VOLTAGE UP TO 30 V | | INDICATOR TYPE | DIAL W/POINTER | | INSTALLATION DESIGN | HANDHELD | | OVERALL DEPTH | 4.870 INCHES NOMINAL | | OVERALL HEIGHT | 4.870 INCHES NOMINAL | | OVERALL WIDTH | 7.500 INCHES NOMINAL | | SPECIAL FEATURES | REQUESTED NAME TEST SET,GROUND-RESISTANCE;UNIT INCLUDES A DC/AC INVERTER,AC POTENTIOMETER,MEASURING DIAL,AND GALVANOMETER;OPERATE BY ADJUSTING THE DIAL UNTIL THE GALVANOMETER SHOWS A BALANCED CONDIDITON,RESISTANCE IS READ DIRECTLY ON THE DIAL SCALE;ACCURACY FROM 2 OHMS TO 200 OHMS IS PORM 2.5 PCT | | STYLE DESIGNATOR | PORTABLE W/TILT VIEW HANDLE |
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