Electrical Frequency Meter

Features

Specifications

• Circuit Current For Which Designed:
  Ac
• Mounting Hole Diameter:
  0.147 inches
• Scale Division Quantity:
  20 single indicator single range
• Frequency Rating:
  400.0 hertz
• Overall Diameter:
  3.500 inches
• Environmental Protection:
  Hermetic
• Mounting Bolt Circle Diameter:
  3.160 inches
• End Application:
  Support equipment-b-52, f-106, ov-10a, c-5 aircraft. Cobra/attack ah-1j helicopter. Prowler ea-6b aircraft.
• Indicator Type:
  Vibrating reed
• Installation Design:
  Panel
• Register Quantity:
  1
• Mounting Arrangement Style:
  Three hole/stud bolt circle
• Dial Scale Marking Color:
  Black single indicator single range
• Resonant Reed Quantity:
  21
• Accuracy In Percent:
  -2.0 to 2.0 at full scale single indicator single range
• Meter Depth Behind Mounting Flange:
  1.930 inches
• Meter Body Diameter Behind Mounting Flange:
  2.800 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 to 420.0 hertz single indicator single range
• Scale Selection Method:
  Terminal
• Criticality Code Justification:
  Feat
• Circuit Attachment Method And Quantity:
  2 solder pin
• Operating Voltage Rating In Volts:
  Between 100.0 ac and 130.0 ac
• Style Designator:
  C1 round flush mtg
• Style Designator:
  Round flush mtg
• Fsc Application Data:
  Test set electronic equip.
• Federal Supply Class (fsc):
  Electrical and electronic properties measuring and testing instruments
• National Stock Number (nsn):
  6625-00-580-9889
• Special Features:
  Weapon system essential