Electrical Frequency Meter

Features

Specifications

• Circuit Current For Which Designed:
  Ac
• Mounting Hole Diameter:
  0.140 inches
• Overall Diameter:
  3.500 inches
• Environmental Protection:
  Humidity resistant
• Mounting Bolt Circle Diameter:
  3.160 inches
• Furnished Items And Quantity:
  Gasket 1
• Indicator Type:
  Vibrating reed
• Installation Design:
  Panel
• Register Quantity:
  1
• Mounting Arrangement Style:
  Three hole/stud bolt circle
• Sensitivity Rating:
  140.0 ohms per volt
• Resonant Reed Quantity:
  9
• Accuracy In Percent:
  -3.0/+3.0 at full scale single indicator single range
• Meter Depth Behind Mounting Flange:
  2.250 inches
• Meter Body Diameter Behind Mounting Flange:
  2.688 inches
• Movement Type:
  Vibrating reed
• Power Source:
  External
• Mounting Facility Type And Quantity:
  3 unthreaded hole
• Measurement Range:
  +56.0/+64.0 hertz single indicator single range
• Scale Selection Method:
  Terminal
• Circuit Attachment Method And Quantity:
  2 solder stud
• Operating Voltage Rating In Volts:
  Between 100.0 ac and 132.0 ac
• Nuclear Hardness Critical Feature:
  Nonhardened
• Style Designator:
  Round flush mtg
• Fsc Application Data:
  Test set, elect. Equip.
• Federal Supply Class (fsc):
  Electrical and electronic properties measuring and testing instruments
• National Stock Number (nsn):
  6625-01-031-5779