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Worldwide distributor of NSN parts and consumables located in the USA.

Audio Level Meter

Model / MPN: A624 | NSN: 6625-00-253-9184
ITAR Registered seal

An instrument which measures the ratio of electrical power with reference to a predetermined value and is calibrated in units of sound intensity, usually decibels. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. if other than audio frequency ranges, see meter, noise level.

Product Details
NATO Stock Number
6625-00-253-9184
Sold in multiples of
1 EA
DEMIL
NO
Circuit Current For Which Designed
Dc
Overall Length
2.345 inches
Mounting Hole Diameter
0.150 inches
Overall Diameter
3.500 inches
Environmental Protection
Dustproof
Mounting Bolt Circle Diameter
3.160 inches
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Three hole/stud bolt circle
Dial Scale Marking Color
Black single indicator all ranges
Accuracy In Percent
-2.0/+2.0 at full scale single indicator all ranges
Accuracy In Percent
-2.0 to 2.0 at full scale single indicator all ranges
Meter Depth Behind Mounting Flange
1.660 inches
Meter Body Diameter Behind Mounting Flange
2.800 inches
Movement Type
Moving coil, permanent magnet
Background Color
White single indicator all ranges
Pointer Color
Black single indicator all ranges
Power Source
External
Mounting Facility Type And Quantity
3 unthreaded hole
Scale Graduation Type
Nonlinear single indicator all ranges
Measurement Range
-20.0/+2.0 decibels single indicator 1st range
Measurement Range
+16.0/+30.0 decibels single indicator 3rd range
Measurement Range
+2.0/+16.0 decibels single indicator 2nd range
Measurement Range
+16.0 to 30.0 decibels single indicator 3rd range
Measurement Range
+2.0 to 16.0 decibels single indicator 2nd range
Measurement Range
-20.0 to 2.0 decibels single indicator 1st range
Features Provided
Zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 solderless lug
Material
Steel
Nuclear Hardness Critical Feature
Nonhardened
Surface Treatment
Enamel lusterless
Style Designator
Round flush mtg
Fsc Application Data
Test set electronic

Pricing and Availability

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A624 Cross Reference
  • 460-848
  • A-1108
  • 46HSG