Model: 81T

Audio Level Meter

Properties:

Circuit Current For Which Designed
Dc
Overall Length
1.355 inches
Overall Height
1.640 inches
Overall Width
1.980 inches
Mounting Stud Length
0.500 inches
Distance Between Mounting Facility Centers
1.250 inches
Furnished Items And Quantity
Nut 2; washer 2
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Two hole/stud
Sensitivity Rating
1.0 milliamperes
Dial Scale Marking Color
Black single indicator single range
Accuracy In Percent
-2.0/+2.0 at full scale single indicator single range
Meter Depth Behind Mounting Flange
0.820 inches
Meter Body Diameter Behind Mounting Flange
1.355 inches
Movement Type
Moving coil, permanent magnet
Background Color
White single indicator single range
Pointer Color
Black single indicator single range
Power Source
External
Mounting Facility Type And Quantity
2 threaded stud
Scale Graduation Type
Nonlinear single indicator single range
Measurement Range
-15.0/+3.0 decibels above or below one milliwatt single indicator single range
Mounting Stud Diameter
0.138 inches
Features Provided
Knife edge pointer
Movement Suspension Method
Taut band
Circuit Attachment Method And Quantity
2 connector, receptacle
Special Markings
15, -10, -5, 0, 1, 2, 3; dbm 50 ohms
Material
Steel
Nuclear Hardness Critical Feature
Nonhardened
Surface Treatment
Paint
Style Designator
Rectangular flush mtg
Fsc Application Data
Electrical, electronic properties measuring and test instruments
NSN
6625-01-201-8075
Part Number
81T
Description
Meter,audio Level
CAGE
33005

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 81T NSN 6625-01-201-8075

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.3000lbs
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:
061700
UFC:
34580
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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