Model #438-5749726

Electrical frequency meter (NSN 6625-01-313-2188)

Special Features
Ruggedized; replace at 5000 hours
Description

2.290 inches maximum overall length, aluminum alloy material, paint surface treatment.

Circuit Current For Which Designed
Ac
Dielectric Withstanding Voltage In Volts
1000.0
Mounting Hole Diameter
0.125 inches
Scale Division Quantity
30 single indicator single range
Frequency Rating
60.0 hertz
Overall Diameter
3.510 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
Mounting Bolt Circle Diameter
3.145 inches
Furnished Items And Quantity
Nut 3; lockwasher 3; seal 1
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Three hole/stud bolt circle
Sensitivity Rating
1000.0 ohms per volt
Dial Scale Marking Color
Black single indicator single range
Accuracy In Percent
-1.0/+1.0 at full scale single indicator single range
Unable To Decode
Unable to decode or unable to decode
Meter Depth Behind Mounting Flange
1.650 inches
Meter Body Diameter Behind Mounting Flange
2.780 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
3 screw and 3 unthreaded hole
Scale Graduation Type
Linear single indicator single range
Measurement Range
-15.0/+15.0 degrees, phase angle single indicator single range
Features Provided
Zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 screw and 2 solder lug
Special Markings
On back, sealed do not open
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Round flush mtg
Fsc Application Data
Test set, elect. Equip.
Description
Meter,electrical Frequency
Cage Code
53711

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Updated: 11/24/2024