Electrical Frequency Meter

Features

Specifications

• Circuit Current For Which Designed:
  Ac
• Mounting Hole Diameter:
  0.125 inches
• Frequency Rating:
  60.0 hertz
• Overall Diameter:
  2.660 inches
• Mounting Bolt Circle Diameter:
  2.440 inches
• Furnished Items And Quantity:
  Screws 3; lock washers 3 hex nuts 3
• 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:
  9
• Meter Depth Behind Mounting Flange:
  2.500 inches
• Meter Body Diameter Behind Mounting Flange:
  2.200 inches
• Movement Type:
  Vibrating reed
• Background Color:
  White single indicator single range
• Power Source:
  External
• Mounting Facility Type And Quantity:
  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
• Operating Voltage Rating In Volts:
  120.0 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):
  6625-00-805-0796