Model #MK777-313

Electrical frequency meter (NSN 6625-00-654-9772)

Description

2.340 inches nominal overall length, steel material, anodize surface treatment.

Circuit Current For Which Designed
Ac
Center To Center Distance Between Mounting Facilities Parallel To Length
2.53125 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
2.53125 inches
Overall Height
3.265 inches
Overall Width
3.265 inches
Mounting Hole Diameter
0.125 inches
Scale Division Quantity
60 single indicator single range
Frequency Rating
400.0 hertz
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Four hole/stud rectangular/square
Frequency Response Range
+350.000/+450.000 hertz
Frequency Response Range
+350.000 to 450.000 hertz
Dial Scale Marking Color
White single indicator single range
Accuracy In Percent
-2.0/+2.0 at full scale single indicator single range
Accuracy In Percent
-2.0 to 2.0 at full scale single indicator single range
Meter Depth Behind Mounting Flange
1.980 inches
Meter Body Diameter Behind Mounting Flange
3.130 inches
Background Color
Black single indicator single range
Pointer Color
White single indicator single range
Power Source
External
Mounting Facility Type And Quantity
4 threaded hole
Scale Graduation Type
Linear single indicator single range
Measurement Range
+350.0/+450.0 hertz single indicator single range
Measurement Range
+350.0 to 450.0 hertz single indicator single range
Scale Selection Method
Terminal
Features Provided
Zero adjuster
Circuit Attachment Method And Quantity
1 connector, receptacle
Operating Voltage Rating In Volts
Between 100.0 ac and 125.0 ac
Phase
Single
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Rectangular flush mtg
Fsc Application Data
Test set, elect. Equip.
Description
Meter,electrical Frequency
Cage Code
0BZM1

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Updated: 11/23/2024