Model: 2900-00083-003

Wattmeter

Special Features:

Requested name audio wattmeter; power on, fan on, and temperature warning indicators on the front panel; load switch selects from 12 load impedances that range from 4 ohms to 600 ohms; power switch selects power range from 2 milliwatts to 200 watts full-scale

Properties:

Circuit Current For Which Designed
Ac
Overall Length
8.500 inches
Overall Height
3.500 inches
Overall Width
19.000 inches
Frequency Rating
Between 50.0 hertz and 60.0 hertz
End Application
Used on low level receiver outputs as well as high power pa amplifiers used in most aircraft; audio-frequency generators, low power amplifiers, transducers, headphones, and microphones
Furnished Items And Quantity
Technical manual 1
Indicator Type
Dial w/pointer
Installation Design
Rack
Frequency Response Range
+0.020 to 20.000 kilohertz
Power Source
External
Measurement Range
-15.0 to 53.0 decibels single indicator 1st range
Measurement Range
+0.002 to 200.000 watts single indicator 2nd range
Circuit Attachment Method And Quantity
3 binding post
Operating Voltage Rating In Volts
115.0 ac
Functional Description
Designed to measure audio power output
Reference Data And Literature
T.O. 33a1-12-1358-1; specialized avionics test equipment technical manual
Style Designator
D1 rectangular or square
NSN
6625-01-441-9555
Part Number
2900-00083-003
Description
Wattmeter
CAGE

An instrument which measures one or more different electrical power quantities (such as decibels and watts), and is calibrated using watts. The power measurement and/or calibration may be displayed in multiples and/or submultiples thereof on a dial and/or digital readout display. For items designed to measure radio frequency power see test set, electrical power and meter, multiple scale. Excludes: ammeter; frequency meter; multimeter; voltmeter.

Part 2900-00083-003 NSN 6625-01-441-9555

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
28455
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:
RH
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
136740
UFC:
68820
LTL:
RATING VARIABLE
LCL:
77.5
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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