Electrical Frequency Meter

Features

Specifications

• Circuit Current For Which Designed:
  Ac
• Overall Height:
  Between 3.490 inches and
• Overall Height:
  3.510 inches
• Overall Width:
  Between 3.490 inches and
• Overall Width:
  3.510 inches
• Mounting Stud Length:
  0.500 inches
• Mounting Bolt Circle Diameter:
  3.250 inches
• Furnished Items And Quantity:
  Nut 5; washer 5
• 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:
  5
• Accuracy In Percent:
  -0.3/+0.3 at full scale single indicator single range
• Meter Depth Behind Mounting Flange:
  Between 2.300 inches and
• Meter Depth Behind Mounting Flange:
  2.320 inches
• Meter Body Diameter Behind Mounting Flange:
  Between 2.740 inches and
• Meter Body Diameter Behind Mounting Flange:
  2.760 inches
• Movement Type:
  Vibrating reed
• Background Color:
  White single indicator single range
• Power Source:
  External
• Mounting Facility Type And Quantity:
  3 threaded stud
• Measurement Range:
  +59.0/+63.0 hertz single indicator single range
• Mounting Stud Diameter:
  0.138 inches
• Features Provided:
  Zero adjuster
• Circuit Attachment Method And Quantity:
  2 threaded stud
• Nuclear Hardness Critical Feature:
  Nonhardened
• Style Designator:
  Rectangular flush mtg
• Supplementary Features:
  Impedance 16.5 kilohms
• Fsc Application Data:
  Test set, elect. Equip.
• Federal Supply Class (fsc):
  Electrical and electronic properties measuring and testing instruments
• National Stock Number (nsn):
  6625-01-022-5264