Model #50-254450DNDN

Electrical frequency meter (NSN 6625-01-173-9957)

Description

2.350 inches maximum overall length.

Circuit Current For Which Designed
Ac
Center To Center Distance Between Mounting Facilities Parallel To Length
Between 3.990 inches and 4.010 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
Between 3.552 inches and 3.572 inches
Overall Height
4.410 inches
Overall Width
4.850 inches
Scale Division Quantity
50 single indicator single range
Frequency Rating
60.0 hertz
Mounting Stud Length
0.500 inches
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Four hole/stud rectangular/square
Frequency Response Range
+55.000/+65.000 hertz
Dial Scale Marking Color
Black single indicator single range
Accuracy In Percent
-3.0/+3.0 at full scale single indicator single range
Meter Depth Behind Mounting Flange
1.210 inches
Meter Body Diameter Behind Mounting Flange
2.700 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
+55.0/+65.0 hertz single indicator single range
Mounting Stud Diameter
0.112 inches
Scale Selection Method
Terminal
Features Provided
Zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 threaded stud
Operating Voltage Rating In Volts
240.0 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
03497

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Updated: 07/05/2024