Model #MK777-87

Voltmeter (NSN 6625-00-481-0891)

Special Features
Ruggedized
Description

2.687 inches nominal overall length, steel material, cadmium and chromate surface treatment.

Circuit Current For Which Designed
Ac
Dielectric Withstanding Voltage In Volts
1500.0
Center To Center Distance Between Mounting Facilities Parallel To Length
1.906 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
1.906 inches
Overall Height
2.380 inches
Overall Width
2.380 inches
Mounting Hole Diameter
0.158 inches
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 6; lockwasher 6; seal 1
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Four hole/stud rectangular/square
Sensitivity Rating
10000.0 ohms per volt
Dial Scale Marking Color
White 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
Meter Depth Behind Mounting Flange
1.531 inches
Meter Body Diameter Behind Mounting Flange
2.062 inches
Movement Type
Moving iron vane
Background Color
Black single indicator single range
Pointer Color
White single indicator single range
Power Source
External
Mounting Facility Type And Quantity
4 screw and 4 unthreaded hole
Scale Graduation Type
Nonlinear single indicator single range
Measurement Range
+0.0/+250.0 volts, ac single indicator single range
Measurement Range
+0.0 to 250.0 volts, ac single indicator single range
Features Provided
Zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 threaded stud
Special Markings
On back, sealed do not open
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Rectangular flush mtg
Fsc Application Data
Test set, elect. Equip.
Description
Voltmeter
Cage Code
0BZM1

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Updated: 11/23/2024