Model #628-E594

Electrical frequency meter (NSN 6625-01-299-3727)

Special Features
Ruggedized
Description

2.650 inches maximum overall length, steel material, cadmium surface treatment.

Circuit Current For Which Designed
Ac
Mounting Hole Diameter
Between 0.120 inches and 0.130 inches
Overall Diameter
2.695 inches
Environmental Protection
Cold resistant and shock resistant and vibration resistant and watertight
Mounting Bolt Circle Diameter
2.440 inches
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Three hole/stud bolt circle
Dial Scale Marking Color
Black single indicator single range
Accuracy In Percent
-0.5/+0.5 at 1/2 scale single indicator single range
Meter Depth Behind Mounting Flange
1.600 inches
Meter Body Diameter Behind Mounting Flange
2.060 inches
Movement Type
Moving iron vane
Background Color
White single indicator single range
Pointer Color
Black single indicator single range
Power Source
External
Mounting Facility Type And Quantity
3 unthreaded hole
Scale Graduation Type
Nonlinear single indicator single range
Measurement Range
+48.0/+62.0 hertz single indicator single range
Features Provided
Zero adjuster
Movement Suspension Method
Taut band
Circuit Attachment Method And Quantity
2 solder lug
Operating Voltage Rating In Volts
150.0 ac
Special Markings
Gap between 52 and 58
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Round flush mtg
Supplementary Features
Use with external transducer
Fsc Application Data
Test set, elect. Equip.
Description
Meter,electrical Frequency
Cage Code
0BZM1

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Updated: 11/01/2024