Electrical Frequency Meter

Features

Specifications

• Mounting Hole Diameter:
  0.150 inches
• Overall Diameter:
  3.510 inches
• Mounting Bolt Circle Diameter:
  3.156 inches
• Installation Design:
  Panel
• Mounting Arrangement Style:
  Three hole/stud bolt circle
• Frequency Response Range:
  +300.000/+500.000 hertz
• Meter Depth Behind Mounting Flange:
  3.125 inches
• Meter Body Diameter Behind Mounting Flange:
  2.656 inches
• Mounting Facility Type And Quantity:
  3 unthreaded hole
• Scale Selection Method:
  Terminal
• Circuit Attachment Method And Quantity:
  2 solder lug
• Special Markings:
  Green scale markings 320-480, red scale markings 300-320, and red scale markings 480-500
• Style Designator:
  Round flush mtg
• Federal Supply Class (fsc):
  Electrical and electronic properties measuring and testing instruments
• National Stock Number (nsn):
  6625-00-878-8913
• Special Features:
  Accuracy +/- 1% of center scale (4 cps)