Model #MR49W4H4DCAAH

Ammeter (NSN 6625-01-177-1239)

Special Features
Ruggedized
Description

4.211 inches maximum overall length, steel material, enamel surface treatment.

Circuit Current For Which Designed
Dc
Dielectric Withstanding Voltage In Volts
3000.0
Center To Center Distance Between Mounting Facilities Parallel To Length
3.365 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
3.365 inches
Overall Height
4.418 inches
Overall Width
4.429 inches
Mounting Hole Diameter
0.250 inches
Scale Division Quantity
40 single indicator single range
Environmental Protection
Airtight and dust resistant and fungus resistant and heat resistant and humidity resistant and shock resistant and vibration resistant and water resistant
Furnished Items And Quantity
Nut 8; lockwasher 6; seal 1
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Four hole/stud rectangular/square
Sensitivity Rating
50.0 millivolts
Dial Scale Marking Color
Black single indicator single range
Accuracy In Percent
-2.0/+2.0 at full scale single indicator single range
Meter Depth Behind Mounting Flange
2.714 inches
Meter Body Diameter Behind Mounting Flange
3.939 inches
Movement Type
Moving coil, permanent magnet
Background Color
White single indicator single range
Pointer Color
Black single indicator single range
Power Source
External
Mounting Facility Type And Quantity
4 screw and 4 unthreaded hole
Scale Graduation Type
Linear single indicator single range
Measurement Range
-400.0/+400.0 amperes, dc single indicator single range
Scale Selection Method
Terminal
Features Provided
Magnetic shield and zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 threaded stud
Special Markings
On side, sealed do nont open
Nuclear Hardness Critical Feature
Nonhardened
Special Test Features
Complies with mil-m-10304
Style Designator
Rectangular flush mtg
Fsc Application Data
Test set, elect. Equip.
Description
Ammeter
Cage Code
88416

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Updated: 11/24/2024