Electrical Frequency Meter

Features

Specifications

• Mounting Hole Diameter:
  0.125 inches
• Overall Diameter:
  3.250 inches
• Mounting Bolt Circle Diameter:
  1.438 inches
• Indicator Type:
  Dial w/pointer
• Installation Design:
  Panel
• Register Quantity:
  1
• Mounting Arrangement Style:
  Three hole/stud bolt circle
• Frequency Response Range:
  +59.000/+61.000 hertz
• Frequency Response Range:
  +59.000 to 61.000 hertz
• Resonant Reed Quantity:
  5
• Accuracy In Percent:
  -2.0/+2.0 at full scale single indicator single range
• Accuracy In Percent:
  -2.0 to 2.0 at full scale single indicator single range
• Meter Depth Behind Mounting Flange:
  2.562 inches
• Meter Body Diameter Behind Mounting Flange:
  2.344 inches
• Movement Type:
  Vibrating reed
• Power Source:
  External
• Mounting Facility Type And Quantity:
  3 unthreaded hole
• Measurement Range:
  +59.0/+61.0 hertz single indicator single range
• Measurement Range:
  +59.0 to 61.0 hertz single indicator single range
• Features Provided:
  Zero adjuster
• Circuit Attachment Method And Quantity:
  2 threaded stud
• Special Markings:
  3600 rpm slow fast above scale; motor speed below scale
• 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):
  6625-00-239-7405
• Special Features:
  Tropicalized