Model #421-7423

Voltmeter (NSN 6625-00-727-4706)

Description

11.000 inches nominal overall length, enamel surface treatment.

Overall Height
6.500 inches
Overall Width
5.125 inches
Scale Division Quantity
12 single indicator single range
Frequency Rating
Between 50.000 hertz and 60.000 hertz
End Application
For test and alignment of lf receiver, an-urc-117 ground wave emergency network (gwen)
Dial Scale Marking Color
Black single indicator single range
Accuracy In Percent
-1.0/+1.0 at full scale single indicator all ranges
Movement Type
Moving iron vane
Background Color
White single indicator single range
Power Source
External
Measurement Range
+0.0/+60.0 decibels single indicator single range
Scale Selection Method
Switch
Features Provided
Electrical overload protection and zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 connector, receptacle
Operating Voltage Rating In Volts
115.0 ac and 230.0 ac
Phase
Single
Functional Classification
Aa-1.1
Functional Description
True root-meansquare voltmeter used to maintain an/arn-52 and an/asn-64
Entry Date
71-01-15
Reference Data And Literature
Tb9-6625-0011-50, tb11-6625-1227-15
Relationship To Similar Equipment
Interchangeable w/6625010123255 and 6625004423585
Style Designator
Rectangular or square
Type/model Designation
An/usm-224
Description
Voltmeter
Cage Code
A486G

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Updated: 05/05/2024