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National Stock Number:
6625-01-478-0407
Federal Supply Class:
6625
National Item Identification Number:
014780407
Description:
METER,ELECTRICAL FREQUENCY
Detail:
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.
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Manufacturer Information:
| 26.5988 | 11707 | IDEAL PRECISION METER CO | | 628-20976 | 77221 | PHAOSTRON INSTRUMENT AND ELECTRONIC COMPANY | | 98-19522 | 30554 | DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER |
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Techincal Specification:
| INSTALLATION DESIGN | PANEL | | INDICATOR TYPE | DIAL W/POINTER | | MEASUREMENT RANGE | 380.0 TO 420.0 HERTZ SINGLE INDICATOR SINGLE RANGE | | POINTER COLOR | BLACK SINGLE INDICATOR SINGLE RANGE | | DIAL SCALE MARKING COLOR | BLACK SINGLE INDICATOR SINGLE RANGE | | BACKGROUND COLOR | WHITE SINGLE INDICATOR SINGLE RANGE | | CIRCUIT ATTACHMENT METHOD AND QUANTITY | 3 SCREW | | STYLE DESIGNATOR | ROUND FLUSH MTG | | METER BODY DIAMETER BEHIND MOUNTING FLANGE | 2.250 INCHES MAXIMUM | | METER DEPTH BEHIND MOUNTING FLANGE | 1.250 INCHES MAXIMUM | | OVERALL DIAMETER | 2.695 INCHES MAXIMUM | | OVERALL LENGTH | 1.650 INCHES MAXIMUM | | SPECIAL FEATURES | AT 400 HZ SHALL BE RED; PROTECTIVE LENS MATERIAL SHALL BE RESISTANT TO CONTAMINENTS; METER SHALL BE SEALED |
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