Model: 81T

Audio Level Meter

Properties:

Circuit Current For Which Designed
Dc
Reliability Indicator
Not established
Overall Length
1.355 inches
Overall Height
1.640 inches
Overall Width
1.980 inches
Mounting Hole Diameter
0.138 inches
Distance Between Mounting Facility Centers
1.250 inches
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Two hole/stud
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
0.820 inches
Meter Body Diameter Behind Mounting Flange
1.360 inches
Background Color
White single indicator all ranges
Pointer Color
Red single indicator all ranges
Mounting Facility Type And Quantity
2 unthreaded hole
Scale Graduation Type
Nonlinear single indicator all ranges
Measurement Range
+0.0/+100.0 arbitrary units single indicator 1st range
Measurement Range
+15.0/+35.0 decibels above or below one milliwatt single indicator 2nd range
Scale Selection Method
Terminal
Features Provided
Zero adjuster
Movement Suspension Method
Taut band
Circuit Attachment Method And Quantity
2 solder lug
Special Markings
Man set at 40; sig str; 0 dbm equals 1 mw
Material
Plastic acrylic
Nuclear Hardness Critical Feature
Nonhardened
Special Test Features
Meets requirements of ansi c39.1
Style Designator
Fan shape flush mtg
Fsc Application Data
Test set, elect. Equip.
NSN
6625-01-097-1492
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 6625-01-097-1492

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:
0.2000lbs
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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