Model #290-08453

Electrical frequency meter (NSN 6625-00-878-7561)

Description

2.650 inches maximum overall length.

Circuit Current For Which Designed
Ac
Mounting Hole Diameter
Between 0.120 inches and 0.130 inches
Overall Diameter
2.695 inches
Environmental Protection
Hermetic
Mounting Bolt Circle Diameter
2.440 inches
Furnished Items And Quantity
Nut 4; washer 3
Indicator Type
Vibrating reed
Installation Design
Panel
Register Quantity
1
Mounting Arrangement Style
Three hole/stud bolt circle
Frequency Response Range
+380.000/+420.000 hertz
Dial Scale Marking Color
Black single indicator single range
Resonant Reed Quantity
8
Meter Depth Behind Mounting Flange
1.660 inches
Meter Body Diameter Behind Mounting Flange
2.210 inches
Movement Type
Vibrating reed
Background Color
White single indicator single range
Power Source
External
Mounting Facility Type And Quantity
3 screw and 3 unthreaded hole
Measurement Range
+380.0/+420.0 hertz single indicator single range
Scale Selection Method
Terminal
Circuit Attachment Method And Quantity
2 threaded stud
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Round flush mtg
Description
Meter,electrical Frequency
Cage Code
77221

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Updated: 11/28/2024