Model #345-054

Null meter (NSN 6625-00-006-2967)

Special Features
Ruggedized
Description

2.500 inches nominal overall length, steel corrosion resisting material, enamel semigloss 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
Overall Diameter
3.490 inches
Environmental Protection
Cold resistant and heat resistant and shock resistant and submersible and vibration resistant and watertight
Mounting Bolt Circle Diameter
3.160 inches
Furnished Items And Quantity
Nut 3; washer 3
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Three hole/stud bolt circle
Sensitivity Rating
1.0 milliamperes
Dial Scale Marking Color
Black single indicator single range
Accuracy In Percent
-2.0/+2.0 at full scale single indicator single range
Accuracy In Percent
-2.0 to 2.0 at full scale single indicator single range
Unable To Decode
Unable to decode or unable to decode
Meter Depth Behind Mounting Flange
1.460 inches
Meter Body Diameter Behind Mounting Flange
2.670 inches
Movement Type
Moving coil, permanent magnet
Background Color
White single indicator single range
Pointer Color
Black single indicator single range
Scale Marking
0; +
Scale Marking
-; 0; +
Mounting Facility Type And Quantity
3 unthreaded hole
Scale Graduation Type
Nonlinear single indicator single range
Features Provided
Luminous scale marking and magnetic shield and zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 threaded stud
Special Markings
Green bands from m 660 to m 780 ua and from 620 to 820 ua from ctr scale
Nuclear Hardness Critical Feature
Nonhardened
Special Test Features
Conforms to mil-m-10304/22, type mr34m1u1dcmar
Style Designator
C1 round flush mtg
Style Designator
Round flush mtg
Supplementary Features
2.25 kilohms of internal resistance
Fsc Application Data
Test set, elect. Equip.
Description
Meter,null
Cage Code
15309

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Updated: 11/21/2024