Model #269-009

Electrical frequency meter (NSN 6625-01-243-3604)

Special Features
Ruggedized
Description

2.030 inches maximum overall length, steel material, cadmium and chromate surface treatment.

Circuit Current For Which Designed
Ac
Dielectric Withstanding Voltage In Volts
3000.0
Mounting Hole Diameter
0.150 inches
Scale Division Quantity
100 single indicator single range
Frequency Rating
60.0 hertz
Overall Diameter
2.695 inches
Environmental Protection
Cold resistant and heat resistant and humidity resistant and shock resistant and vibration resistant
Mounting Bolt Circle Diameter
2.440 inches
Furnished Items And Quantity
Nut 7; lockwasher 5; transducer 1; seal 1
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Three hole/stud bolt circle
Frequency Response Range
+55.000/+65.000 hertz
Dial Scale Marking Color
Black single indicator single range
Accuracy In Percent
-0.5/+0.5 at 1/2 scale single indicator single range
Unable To Decode
Unable to decode or unable to decode
Meter Depth Behind Mounting Flange
1.170 inches
Meter Body Diameter Behind Mounting Flange
2.150 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
3 screw and 3 unthreaded hole
Scale Graduation Type
Linear single indicator single range
Measurement Range
+55.0/+65.0 hertz single indicator single range
Features Provided
Magnetic shield and zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 threaded stud
Operating Voltage Rating In Volts
120.0 ac
Phase
Single
Special Markings
On back, sealed do not open
Nuclear Hardness Critical Feature
Nonhardened
Special Test Features
Conforms to mil-m-10304
Style Designator
Round flush mtg
Fsc Application Data
Test set, elect. Equip.
Description
Meter,electrical Frequency
Cage Code
15309

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Updated: 06/01/2024