Model #340BR

Audio level meter (NSN 6625-00-946-1486)

Special Features
Input impedance: 50 ohms ; bandwidth: 1.0 mhz min.; agc output: 0 to minus 6v from rear binding posts
Description

19.000 inches nominal overall length.

Circuit Current For Which Designed
Ac
Overall Height
10.469 inches
Overall Width
13.875 inches
Scale Division Quantity
1 single indicator single range
Frequency Rating
Between 50.0 hertz and 60.0 hertz
Furnished Items And Quantity
Cable assembly pn 340a-16a
Indicator Type
Dial w/pointer
Installation Design
Rack
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
Supplementary Features
Opt r: rack
Description
Meter,audio Level
Cage Code
1LQK8

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Updated: 12/13/2024