Model: 301TYPE21B

Audio Level Meter

Properties:

Circuit Current For Which Designed
Dc
Mounting Hole Diameter
0.125 inches
Overall Diameter
3.500 inches
Mounting Bolt Circle Diameter
3.060 inches
Installation Design
Panel
Mounting Arrangement Style
Three hole/stud bolt circle
Dial Scale Marking Color
Black single indicator single range
Accuracy In Percent
-5.0 to 5.0 at full scale single indicator single range
Meter Depth Behind Mounting Flange
0.970 inches
Meter Body Diameter Behind Mounting Flange
2.750 inches
Movement Type
Moving coil, permanent magnet
Background Color
White single indicator single range
Mounting Facility Type And Quantity
3 unthreaded hole
Measurement Range
-10.0 to 6.0 decibels single indicator single range
Circuit Attachment Method And Quantity
2 threaded stud
Material
Plastic
Style Designator
C1 round flush mtg
Style Designator
Round flush mtg
NSN
6625-00-669-1207
Part Number
301TYPE21B
Description
Meter,audio Level
CAGE
65092

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 301TYPE21B NSN 6625-00-669-1207

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061700
UFC:
34580
LTL:
RATING VARIABLE
LCL:
RATING VARIABLE
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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