Electrical Frequency Meter

Features

Specifications

• Circuit Current For Which Designed:
  Ac
• Mounting Hole Diameter:
  Between 0.120 inches and 0.130 inches
• Overall Diameter:
  2.695 inches
• Environmental Protection:
  Hermetic
• Mounting Bolt Circle Diameter:
  2.440 inches
• Furnished Items And Quantity:
  Nut 4; washer 3
• Indicator Type:
  Vibrating reed
• Installation Design:
  Panel
• Register Quantity:
  1
• Mounting Arrangement Style:
  Three hole/stud bolt circle
• Frequency Response Range:
  +380.000/+420.000 hertz
• Dial Scale Marking Color:
  Black single indicator single range
• Resonant Reed Quantity:
  8
• Meter Depth Behind Mounting Flange:
  1.660 inches
• Meter Body Diameter Behind Mounting Flange:
  2.210 inches
• Movement Type:
  Vibrating reed
• Background Color:
  White single indicator single range
• Power Source:
  External
• Mounting Facility Type And Quantity:
  3 screw and 3 unthreaded hole
• Measurement Range:
  +380.0/+420.0 hertz single indicator single range
• Scale Selection Method:
  Terminal
• Circuit Attachment Method And Quantity:
  2 threaded stud
• Nuclear Hardness Critical Feature:
  Nonhardened
• Style Designator:
  Round flush mtg
• Federal Supply Class (fsc):
  Electrical and electronic properties measuring and testing instruments
• National Stock Number (nsn):
  6625-00-878-7561