Model: 301

Audio Level Meter

Special Features:

Sealed

Properties:

Circuit Current For Which Designed
Dc
Overall Length
1.923 inches
Mounting Hole Diameter
0.145 inches
Scale Division Quantity
9 single indicator 1st range
Overall Diameter
3.477 inches
Environmental Protection
Dust resistant and fungus resistant and heat resistant and shock resistant and vibration resistant
Mounting Bolt Circle Diameter
3.038 inches
Furnished Items And Quantity
Nut 3; lockwasher 3; seal 1; shunt wire 1
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Three hole/stud bolt circle
Dial Scale Marking Color
Black single indicator all ranges
Accuracy In Percent
-2.0/+2.0 at full scale single indicator all ranges
Meter Depth Behind Mounting Flange
1.308 inches
Meter Body Diameter Behind Mounting Flange
2.732 inches
Movement Type
Moving coil, permanent magnet
Background Color
White single indicator all ranges
Pointer Color
Black single indicator all ranges
Power Source
External
Mounting Facility Type And Quantity
3 screw and 3 unthreaded hole
Scale Graduation Type
Linear single indicator 1st range
Scale Graduation Type
Nonlinear single indicator 2nd range
Measurement Range
+0.0/+1.0 decibels single indicator 1st range
Measurement Range
+4.0/+13.0 decibels single indicator 2nd range
Scale Selection Method
Terminal
Features Provided
External shunting and zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 solder lug
Special Markings
Output volts on top of meter face and set level on bottom of scale and a arrow at 7db
Material
Plastic
Nuclear Hardness Critical Feature
Nonhardened
Special Test Features
Complies with mil-m-10304
Style Designator
Round flush mtg
Fsc Application Data
Test set, elect. Equip.
NSN
6625-00-988-1622
Part Number
301
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 301 NSN 6625-00-988-1622

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:
TG
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.7000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
136740
UFC:
68820
LTL:
RATING VARIABLE
LCL:
--
WCC:
657
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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