5940-00-789-1243 TERMINAL BOARD Index 1730-00-789-1249 TRAILER,RAIL TYPE

National Stock Number:
6625-00-789-1247

Federal Supply Class:
6625

National Item Identification Number:
007891247

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.


Manufacturer Information:
410-0549877221PHAOSTRON INSTRUMENT AND ELECTRONIC COMPANY
6508-127777L3 TECHNOLOGIES, INC.


Techincal Specification:
ACCURACY IN PERCENT-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
BACKGROUND COLORWHITE SINGLE INDICATOR ALL RANGES
CIRCUIT ATTACHMENT METHOD AND QUANTITY2 WIRE LEAD
CIRCUIT CURRENT FOR WHICH DESIGNEDAC
DIAL SCALE MARKING COLORBLACK SINGLE INDICATOR ALL RANGES
DIELECTRIC WITHSTANDING VOLTAGE IN VOLTS3000.0
FURNISHED ITEMS AND QUANTITYNUT 3; LOCKWASHER 3; SEAL 1
FEATURES PROVIDEDMAGNETIC SHIELD AND ZERO ADJUSTER
FREQUENCY RATING390.0 HERTZ NOMINAL
FREQUENCY RESPONSE RANGE+340.000 TO 440.000 HERTZ
FSC APPLICATION DATATEST SET,ELECT. EQUIP.
INDICATOR TYPEDIAL W/POINTER
INSTALLATION DESIGNPANEL
OPERATING VOLTAGE RATING IN VOLTS440.0 AC NOMINAL
OVERALL LENGTH2.150 INCHES MAXIMUM
MATERIALPLASTIC
MEASUREMENT RANGE+340.0 TO 440.0 HERTZ SINGLE INDICATOR 2ND RANGE
MEASUREMENT RANGE+394.0 TO 404.0 HERTZ SINGLE INDICATOR 1ST RANGE
METER DEPTH BEHIND MOUNTING FLANGE1.400 INCHES MAXIMUM
METER BODY DIAMETER BEHIND MOUNTING FLANGE3.600 INCHES MAXIMUM
MOUNTING ARRANGEMENT STYLETHREE HOLE/STUD BOLT CIRCLE
MOUNTING BOLT CIRCLE DIAMETER4.124 INCHES MAXIMUM
MOUNTING FACILITY TYPE AND QUANTITY3 SCREW AND 3 UNTHREADED HOLE
MOUNTING HOLE DIAMETER0.200 INCHES NOMINAL
MOVEMENT SUSPENSION METHODJEWEL PIVOT BASE
MOVEMENT TYPEMOVING COIL, PERMANENT MAGNET
NUCLEAR HARDNESS CRITICAL FEATURENONHARDENED
POINTER COLORBLACK SINGLE INDICATOR ALL RANGES
POWER SOURCEEXTERNAL
SCALE DIVISION QUANTITY50 SINGLE INDICATOR ALL RANGES
SCALE GRADUATION TYPELINEAR SINGLE INDICATOR ALL RANGES
SCALE SELECTION METHODTERMINAL
SPECIAL MARKINGSON BACK,SEALED DO NOT OPEN
SPECIAL TEST FEATURESCOMPLIES WITH MIL-M-10304
SPECIAL FEATURESRUGGEDIZED
STYLE DESIGNATORROUND FLUSH MTG
SURFACE TREATMENTPAINT


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