Model #940251-2

Electrical frequency meter (NSN 6625-00-684-1088)

Description

2.906 inches nominal overall length, enamel surface treatment.

Dielectric Withstanding Voltage In Volts
1500.0
Mounting Hole Diameter
0.156 inches
Scale Division Quantity
7 single indicator single range
Overall Diameter
3.500 inches
Mounting Bolt Circle Diameter
3.160 inches
Installation Design
Panel
Register Quantity
1
Mounting Arrangement Style
Three hole/stud bolt circle
Frequency Response Range
+380.000/+420.000 hertz
Frequency Response Range
+380.000 to 420.000 hertz
Dial Scale Marking Color
Black single indicator single range
Resonant Reed Quantity
9
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
2.450 inches
Meter Body Diameter Behind Mounting Flange
2.580 inches
Movement Type
Vibrating reed
Background Color
White single indicator single range
Power Source
External
Mounting Facility Type And Quantity
3 unthreaded hole
Scale Graduation Type
Linear single indicator single range
Measurement Range
+380.0/+420.0 hertz single indicator single range
Measurement Range
+380.0 to 420.0 hertz single indicator single range
Circuit Attachment Method And Quantity
2 solder lug
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Round flush mtg
Supplementary Features
Insulation resistance 100 mego min at 500 vdc
Fsc Application Data
Test set, electronic equipment
Description
Meter,electrical Frequency
Cage Code
82577

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Updated: 11/23/2024