Model: 1391-P1

Audio Level Meter

Properties:

Circuit Current For Which Designed
Dc
Overall Length
3.500 inches
Overall Height
4.000 inches
Overall Width
4.500 inches
Environmental Protection
Cold resistant and heat resistant and vibration resistant
Furnished Items And Quantity
Term. Hdw 2
Indicator Type
Dial w/pointer
Installation Design
Panel
Sensitivity Rating
10.0 milliamperes
Dial Scale Marking Color
Black single indicator all ranges
Accuracy In Percent
-1.0/+1.0 at full scale single indicator all ranges
Accuracy In Percent
-1.0 to 1.0 at full scale single indicator all ranges
Meter Depth Behind Mounting Flange
2.000 inches
Meter Body Diameter Behind Mounting Flange
3.000 inches
Movement Type
Moving coil, permanent magnet
Background Color
White single indicator all ranges
Pointer Color
Red single indicator all ranges
Power Source
External
Scale Graduation Type
Nonlinear single indicator all ranges
Measurement Range
+0.0/+10.0 decibels single indicator 1st range
Measurement Range
+10.0/+19.0 decibels single indicator 2nd range
Measurement Range
+0.0 to 10.0 decibels single indicator 1st range
Measurement Range
+10.0 to 19.0 decibels single indicator 2nd range
Scale Selection Method
Terminal
Features Provided
Knife edge pointer
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 solder lug and 2 threaded stud
Special Markings
Noise figure-db; 50 ohm ref; 0.060 in. Thk red arc from 19 on lower scale to end of scale
Material
Copper alloy
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Rectangular flush mtg
Fsc Application Data
Test set, elect. Equip.
NSN
6625-00-424-4414
Part Number
1391-P1
Description
Meter,audio Level
CAGE
11332

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 1391-P1 NSN 6625-00-424-4414

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:
0.1000lbs
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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