Model #456-0057-00

Audio level meter (NSN 6625-00-920-1028)

Special Features
Hardware shell be bright plated
Description

2.187 inches nominal overall length, plastic material.

Circuit Current For Which Designed
Dc
Overall Height
2.031 inches
Overall Width
3.500 inches
Scale Division Quantity
23 single indicator 1st range
Scale Division Quantity
25 single indicator 2nd range
Environmental Protection
Dripproof and fungus resistant and humidity resistant and shock resistant and vibration resistant and water resistant
Furnished Items And Quantity
Nut 2; lockwasher 2; seal 1
Indicator Type
Dial w/pointer
Installation Design
Panel
Dial Scale Marking Color
Black single indicator all ranges
Accuracy In Percent
-2.0/+2.0 at full scale single indicator all ranges
Meter Depth Behind Mounting Flange
1.897 inches
Meter Body Diameter Behind Mounting Flange
2.281 inches
Movement Type
Moving iron vane
Background Color
Buff single indicator all ranges
Pointer Color
Black single indicator all ranges
Power Source
External
Mounting Facility Type And Quantity
1 bezel and 2 bracket
Scale Graduation Type
Linear single indicator all ranges
Measurement Range
+0.0/+100.0 decibels single indicator 2nd range
Measurement Range
-20.0/+3.0 decibels single indicator 1st range
Scale Selection Method
Terminal
Features Provided
Zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 threaded stud
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Rectangular flush mtg
Fsc Application Data
Test set, elect. Equip.
Description
Meter,audio Level
Cage Code
13499

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Updated: 05/13/2024