Model: 38311

Audio Level Meter

Special Features:

Ruggedized

Properties:

Circuit Current For Which Designed
Dc
Dielectric Withstanding Voltage In Volts
1500.0
Overall Length
1.790 inches
Mounting Hole Diameter
0.150 inches
Overall Diameter
3.500 inches
Mounting Bolt Circle Diameter
3.180 inches
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Four hole/stud bolt circle
Dial Scale Marking Color
Black single indicator single range
Accuracy In Percent
-2.0/+2.0 at full scale single indicator single range
Accuracy In Percent
-2.0 to 2.0 at full scale single indicator single range
Unable To Decode
Unable to decode or unable to decode
Meter Depth Behind Mounting Flange
0.980 inches
Meter Body Diameter Behind Mounting Flange
2.760 inches
Movement Type
Moving iron vane
Background Color
White single indicator single range
Pointer Color
Black single indicator single range
Power Source
External
Mounting Facility Type And Quantity
4 unthreaded hole
Scale Graduation Type
Nonlinear single indicator single range
Measurement Range
-20.0/+0.0 decibels single indicator single range
Measurement Range
-20.0 to 0.0 decibels single indicator single range
Scale Selection Method
Terminal
Features Provided
Zero adjuster
Circuit Attachment Method And Quantity
2 solder lug and 2 threaded stud
Special Markings
Zero set to left of minus 20
Material
Steel
Nuclear Hardness Critical Feature
Nonhardened
Surface Treatment
Enamel semigloss
Special Test Features
100.0 megohms insulation resistance
Style Designator
Round flush mtg
Fsc Application Data
Test set, elect. Equip.
NSN
6625-00-187-4919
Part Number
38311
Description
Meter,audio Level
CAGE
9N770

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 38311 NSN 6625-00-187-4919

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:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061700
UFC:
34580
LTL:
RATING VARIABLE
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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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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