Model: 340B

Audio Level Meter

Special Features:

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

Properties:

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
NSN
6625-00-793-1343
Part Number
340B
Description
Meter,audio Level
CAGE
1LQK8

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.

Part 340B NSN 6625-00-793-1343

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16456
FIIG:
A310A0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
RH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
35.0 X 25.0 X 18.5
Paclk Weight:
79.5000lbs
Item Weight:
0.0000lbs
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
F000004XE9
SPI Rev.:
SPC Mkg:
00
LVL_A:
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061700
UFC:
34580
LTL:
RATING VARIABLE
LCL:
77.5
WCC:
653
TCC:
Z
SHC:
Q
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 9030908030
  • SITC: 87479
  • End Use: Measuring, testing, control instruments
  • NAICS: 334515
  • USDA: 1

Freight Class: Parts and accessories of articles of schedule b subheading 9030.39

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