Model: 25R

Audio Level Meter

Special Features:

Coil resistance 1175 ohms porm 20 pct

Properties:

Circuit Current For Which Designed
Dc
Dielectric Withstanding Voltage In Volts
3000.0
Reliability Indicator
Not established
Overall Length
2.530 inches
Mounting Hole Diameter
Between 0.143 inches and 0.157 inches
Scale Division Quantity
20 single indicator single range
Overall Diameter
3.500 inches
Mounting Bolt Circle Diameter
3.160 inches
Furnished Items And Quantity
Lockwasher 3; flat washer 4; nut 7
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Three hole/stud bolt circle
Sensitivity Rating
100.0 microamperes
Dial Scale Marking Color
White single indicator single range
Accuracy In Percent
-2.0/+2.0 at full scale single indicator single range
Meter Depth Behind Mounting Flange
1.390 inches
Meter Body Diameter Behind Mounting Flange
2.760 inches
Movement Type
Moving coil, permanent magnet
Background Color
Black single indicator single range
Pointer Color
White single indicator single range
Power Source
External
Mounting Facility Type And Quantity
3 unthreaded hole
Scale Graduation Type
Linear single indicator single range
Measurement Range
-10.0/+10.0 decibels single indicator single range
Features Provided
Zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 solder lug and 2 threaded stud
Material
Plastic and steel
Nuclear Hardness Critical Feature
Nonhardened
Surface Treatment
Enamel
Style Designator
Round flush mtg
Supplementary Features
Conforms to mil-m-10304, type mr36b100dcuar
Fsc Application Data
Test set, elect. Equip.
NSN
6625-00-930-3889
Part Number
25R
Description
Meter,audio Level
CAGE
55026

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 25R NSN 6625-00-930-3889

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:
1.2000lbs
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:
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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