Electrical Frequency Meter

Features

Specifications

• Circuit Current For Which Designed:
  Ac
• Overall Height:
  3.500 inches
• Overall Width:
  3.500 inches
• Frequency Rating:
  Between 380.0 hertz and 420.0 hertz
• Mounting Stud Length:
  0.750 inches
• Environmental Protection:
  Dustproof
• Mounting Bolt Circle Diameter:
  3.160 inches
• Furnished Items And Quantity:
  Mounting hardware 5
• Indicator Type:
  Vibrating reed
• Installation Design:
  Panel
• Register Quantity:
  1
• Mounting Arrangement Style:
  Three hole/stud bolt circle
• Resonant Reed Quantity:
  9
• Meter Depth Behind Mounting Flange:
  2.500 inches
• Meter Body Diameter Behind Mounting Flange:
  2.180 inches
• Movement Type:
  Vibrating reed
• Background Color:
  White single indicator single range
• Mounting Facility Type And Quantity:
  3 threaded stud
• Measurement Range:
  +380.0/+420.0 hertz single indicator single range
• Measurement Range:
  +380.0 to 420.0 hertz single indicator single range
• Mounting Stud Diameter:
  0.138 inches
• Scale Selection Method:
  Terminal
• Accuracy Rating:
  0.03 pct single indicator single range
• Display Color:
  Black single indicator single range
• Circuit Attachment Method And Quantity:
  2 threaded stud
• Operating Voltage Rating In Volts:
  Between 100.0 ac and 130.0 ac
• Nuclear Hardness Critical Feature:
  Nonhardened
• Style Designator:
  Rectangular flush mtg
• Fsc Application Data:
  Test set electronic
• Federal Supply Class (fsc):
  Electrical and electronic properties measuring and testing instruments
• National Stock Number (nsn):
  6625-00-803-4435