Model #KY25

Electrical frequency meter (NSN 6625-00-431-9242)

Description

5.062 inches nominal overall length.

Circuit Current For Which Designed
Ac
Center To Center Distance Between Mounting Facilities Parallel To Length
3.500 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
5.969 inches
Overall Height
6.469 inches
Overall Width
6.469 inches
Scale Division Quantity
65 single indicator single range
Mounting Stud Length
0.594 inches
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Four hole/stud rectangular/square
Frequency Response Range
+350.000/+1000.000 hertz
Frequency Response Range
+350.000 to 1000.000 hertz
Dial Scale Marking Color
Black single indicator single range
Accuracy In Percent
-1.0/+1.0 at full scale single indicator single range
Accuracy In Percent
-1.0 to 1.0 at full scale single indicator single range
Meter Depth Behind Mounting Flange
3.437 inches
Meter Body Width Behind Mounting Flange
5.562 inches
Movement Type
Moving coil, permanent magnet
Background Color
White single indicator single range
Pointer Color
Black single indicator single range
Power Source
External
Mounting Facility Type And Quantity
4 threaded stud
Scale Graduation Type
Linear single indicator single range
Measurement Range
+350.0/+1000.0 hertz single indicator single range
Measurement Range
+350.0 to 1000.0 hertz single indicator single range
Mounting Stud Diameter
0.190 inches
Scale Selection Method
Terminal
Meter Body Height Behind Mounting Flange
5.562 inches
Features Provided
Zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 threaded stud
Operating Voltage Rating In Volts
120.0 ac
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Rectangular flush mtg
Fsc Application Data
Test set, elect. Equip.
Description
Meter,electrical Frequency
Cage Code
79500

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Updated: 11/23/2024