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Audio Level Meter

Model / MPN: 340B | NSN: 6625-00-793-1343
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
6625-00-793-1343
Sold in multiples of
1 EA
DEMIL
NO
Circuit Current For Which Designed
Ac
Overall Length
20.750 inches
Overall Height
12.750 inches
Overall Width
14.500 inches
Scale Division Quantity
1 single indicator single range
Frequency Rating
Between 50.0 hertz and 60.0 hertz
End Application
An/fps-24 and an/tps-27
Furnished Items And Quantity
Cable assembly pn 340a-16a
Indicator Type
Dial w/pointer
Installation Design
Cabinet
Frequency Response Range
+30.000 to 60.000 megahertz
Dial Scale Marking Color
Black single indicator single range
Accuracy In Percent
-1.0 to 1.0 at full scale single indicator single range
Background Color
White single indicator single range
Pointer Color
Black single indicator single range
Power Source
External
Scale Graduation Type
Linear single indicator single range
Measurement Range
+0.0 to 30.0 decibels single indicator single range
Scale Selection Method
Switch
Circuit Attachment Method And Quantity
2 connector, receptacle
Operating Voltage Rating In Volts
115.0 ac and 230.0 ac
Phase
Single
Functional Description
Measures noise figure in microwave or radar receivers, rf and if amplifiers; compares unknown noise sources to known noise levels
Reference Data And Literature
Hp 1972 catalog
Style Designator
D1 rectangular or square
Style Designator
Rectangular or square

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340B Cross Reference
  • 9975989
  • 340B
  • 413-2995