Model: 557850-1

Audio Level Meter

Special Features:

Ruggedized

Properties:

Circuit Current For Which Designed
Ac
Dielectric Withstanding Voltage In Volts
1500.0
Overall Length
1.437 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
1.312 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
1.312 inches
Overall Height
1.758 inches
Overall Width
1.758 inches
Mounting Hole Diameter
0.125 inches
Environmental Protection
Shock resistant and vibration resistant
Furnished Items And Quantity
Nut 6; washer 6
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Four hole/stud rectangular/square
Frequency Response Range
+0.025/+10.000 kilohertz
Sensitivity Rating
1.0 milliwatts
Dial Scale Marking Color
White single indicator single range
Accuracy In Percent
-3.0/+3.0 at full scale single indicator single range
Unable To Decode
Unable to decode or unable to decode
Meter Depth Behind Mounting Flange
0.853 inches
Meter Body Diameter Behind Mounting Flange
1.510 inches
Movement Type
Moving iron vane
Background Color
Black single indicator single range
Pointer Color
White single indicator single range
Power Source
External
Mounting Facility Type And Quantity
4 screw and 4 unthreaded hole
Scale Graduation Type
Nonlinear single indicator single range
Measurement Range
-12.0/+22.0 decibels single indicator single range
Features Provided
Zero adjuster
Movement Suspension Method
Taut band
Circuit Attachment Method And Quantity
2 solder lug and 2 threaded stud
Material
Steel
Nuclear Hardness Critical Feature
Nonhardened
Surface Treatment
Cadmium and chromate
Style Designator
Rectangular flush mtg
Fsc Application Data
Test set, elect. Equip.
NSN
6625-00-807-3465
Part Number
557850-1
Description
Meter,audio Level
CAGE
37695

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 557850-1 NSN 6625-00-807-3465

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:
--
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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