Model: 81T

Audio Level Meter

Properties:

Circuit Current For Which Designed

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:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

061700

UFC:

34580

LTL:

RATING VARIABLE

LCL:

WCC:

657

TCC:

SHC:

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