Model #PWB-4473

Ammeter (NSN 6625-00-679-7694)

Special Features
Ruggedized
Description

4.870 inches maximum overall length, steel corrosion resisting material, enamel semigloss surface treatment.

Circuit Current For Which Designed
Dc
Dielectric Withstanding Voltage In Volts
500.0
Center To Center Distance Between Mounting Facilities Parallel To Length
Between 2.470 inches and 2.478 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
Between 2.470 inches and 2.478 inches
Overall Height
3.260 inches
Overall Width
3.260 inches
Mounting Hole Diameter
0.170 inches
Scale Division Quantity
20 all indicators all ranges
Environmental Protection
Cold resistant and heat resistant and shock resistant and submersible and vibration resistant and watertight
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Four hole/stud rectangular/square
Sensitivity Rating
200.0 microamperes
Dial Scale Marking Color
White all indicators all ranges
Accuracy In Percent
-2.5/+2.5 at full scale all indicators all ranges
Unable To Decode
Unable to decode or unable to decode
Meter Depth Behind Mounting Flange
3.985 inches
Meter Body Diameter Behind Mounting Flange
2.800 inches
Movement Type
Moving coil, permanent magnet
Background Color
Black all indicators all ranges
Pointer Color
White all indicators all ranges
Power Source
External
Mounting Facility Type And Quantity
4 unthreaded hole
Scale Graduation Type
Linear all indicators all ranges
Measurement Range
+0.0/+20.0 amperes 1st indicator 1st range
Measurement Range
+0.0/+20.0 amperes 2nd indicator 2nd range
Scale Selection Method
Terminal
Features Provided
Luminous scale marking and magnetic shield and zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
4 solder lug
Special Markings
Term. Marked: + aadcp a; - aadcp b; local + c; local - d
Nuclear Hardness Critical Feature
Nonhardened
Special Test Features
Conforms to mil-m-10304, type mr36b200dcua
Style Designator
Rectangular flush mtg
Fsc Application Data
Test set, elect. Equip.
Description
Ammeter
Cage Code
77221

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Updated: 11/24/2024