Model #643-E281

Multiple scale meter (NSN 6625-01-258-4117)

Special Features
Ruggedized
Mounting Hole Diameter
Between 0.143 inches and 0.157 inches
Overall Diameter
4.500 inches
Environmental Protection
Shock resistant and vibration resistant
Mounting Bolt Circle Diameter
4.124 inches
Furnished Items And Quantity
Mtg hardware included
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Three hole/stud bolt circle
Dial Scale Marking Color
Black 1st indicator single range
Dial Scale Marking Color
Blue 3rd indicator single range
Dial Scale Marking Color
Red 2nd indicator single range
Accuracy In Percent
-1.0/+1.0 at full scale all indicators all ranges
Meter Body Diameter Behind Mounting Flange
3.600 inches
Movement Type
Moving coil, permanent magnet
Power Source
External
Mounting Facility Type And Quantity
6 unthreaded hole
Measurement Range
-45.0/+45.0 degrees 1st indicator single range
Measurement Range
+1.6/+8.0 megawatts 3rd indicator single range
Measurement Range
+50.0/+250.0 kilowatts 2nd indicator single range
Features Provided
Zero adjuster
Movement Suspension Method
Jewel pivot base
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Round flush mtg
Description
Meter,multiple Scale
Cage Code
77221

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Updated: 11/25/2024