Model #641-16112

Ammeter (NSN 6625-00-466-1991)

Special Features
Ruggedized
Description

2.050 inches nominal overall length, steel material, cadmium surface treatment.

Circuit Current For Which Designed
Dc
Dielectric Withstanding Voltage In Volts
3000.0
Mounting Hole Diameter
Between 0.143 inches and 0.157 inches
Scale Division Quantity
50 single indicator 1st range
Scale Division Quantity
60 single indicator 2nd range
Overall Diameter
4.500 inches
Environmental Protection
Shock resistant and vibration resistant
Mounting Bolt Circle Diameter
4.124 inches
Furnished Items And Quantity
Nut 8; washer 10
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Six hole/stud bolt circle
Sensitivity Rating
50.0 millivolts
Dial Scale Marking Color
Black single indicator all ranges
Accuracy In Percent
-2.0/+2.0 at full scale single indicator all ranges
Meter Depth Behind Mounting Flange
1.250 inches
Meter Body Diameter Behind Mounting Flange
3.600 inches
Movement Type
Moving coil, permanent magnet
Background Color
White single indicator all ranges
Pointer Color
Black single indicator all ranges
Power Source
External
Mounting Facility Type And Quantity
6 screw and 6 unthreaded hole
Scale Graduation Type
Linear single indicator all ranges
Measurement Range
-15.0/+15.0 amperes, dc single indicator 2nd range
Measurement Range
-5.0/+5.0 amperes, dc single indicator 1st range
Features Provided
External shunting and zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 threaded stud
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Round flush mtg
Fsc Application Data
Test set, elect. Equip.
Description
Ammeter
Cage Code
77221

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Updated: 11/24/2024