Electrical Frequency Meter

Features

Specifications

• Circuit Current For Which Designed:
  Ac
• Mounting Hole Diameter:
  Between 0.143 inches and 0.157 inches
• Scale Division Quantity:
  50 single indicator single range
• Frequency Rating:
  400.0 hertz
• Overall Diameter:
  3.500 inches
• Environmental Protection:
  Shock resistant and vibration resistant
• Mounting Bolt Circle Diameter:
  3.160 inches
• Furnished Items And Quantity:
  Nut 5; washer 5
• Indicator Type:
  Dial w/pointer
• Installation Design:
  Panel
• Mounting Arrangement Style:
  Three hole/stud bolt circle
• Sensitivity Rating:
  5.0 volt-amperes
• Dial Scale Marking Color:
  Black single indicator single range
• Accuracy In Percent:
  -0.5/+0.5 at 1/2 scale single indicator single range
• Unable To Decode:
  Unable to decode or unable to decode
• Meter Depth Behind Mounting Flange:
  4.190 inches
• Meter Body Diameter Behind Mounting Flange:
  2.800 inches
• Movement Type:
  Moving iron vane
• 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:
  +395.0/+405.0 hertz single indicator single range
• Features Provided:
  Zero adjuster
• Movement Suspension Method:
  Jewel pivot base
• Circuit Attachment Method And Quantity:
  2 threaded stud
• Operating Voltage Rating In Volts:
  Between 114.0 ac and 126.0 ac
• Phase:
  Single
• Nuclear Hardness Critical Feature:
  Nonhardened
• Style Designator:
  Round flush mtg
• Fsc Application Data:
  Electrical, electronic properties measuring and test instruments
• Federal Supply Class (fsc):
  Electrical and electronic properties measuring and testing instruments
• National Stock Number (nsn):
  6625-01-116-5311