Model #621-19053

Electrical frequency meter (NSN 6625-01-180-3285)

Description

2.030 inches maximum overall length, steel material, enamel semigloss surface treatment.

Circuit Current For Which Designed
Ac
Dielectric Withstanding Voltage In Volts
3000.0
Mounting Hole Diameter
Between 0.120 inches and 0.130 inches
Scale Division Quantity
16 single indicator single range
Overall Diameter
2.695 inches
Environmental Protection
Shock resistant and vibration resistant
Mounting Bolt Circle Diameter
2.440 inches
Furnished Items And Quantity
Nut 7; washer 3; gasket 1
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
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
+47.0/+63.0 hertz single indicator single range
Scale Selection Method
Terminal
Features Provided
Zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 solder lug and 2 threaded stud
Operating Voltage Rating In Volts
Between 115.0 ac and 120.0 ac
Special Test Features
Conforms to mil-m-10304
Surface Treatment Specification
Mil-f-14072 military specification single treatment response
Style Designator
Round flush mtg
Supplementary Features
Self-contained transducer
Specification Data
80063-sm-a-974848 manufacturers specification control
Description
Meter,electrical Frequency
Cage Code
77221

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Updated: 11/25/2024