Electrical Frequency Meter

Features

Specifications

• Circuit Current For Which Designed:
  Dc
• Center To Center Distance Between Mounting Facilities Parallel To Length:
  3.375 inches
• Center To Center Distance Between Mounting Facilities Parallel To Width:
  3.375 inches
• Overall Height:
  4.562 inches
• Overall Width:
  4.562 inches
• Scale Division Quantity:
  20 single indicator all ranges
• Mounting Stud Length:
  1.500 inches
• Furnished Items And Quantity:
  Nut 4; washer 4
• Indicator Type:
  Vibrating reed
• Installation Design:
  Panel
• Register Quantity:
  2
• Mounting Arrangement Style:
  Four hole/stud rectangular/square
• Dial Scale Marking Color:
  Black single indicator all ranges
• Resonant Reed Quantity:
  21
• Meter Depth Behind Mounting Flange:
  2.531 inches
• Meter Body Diameter Behind Mounting Flange:
  3.687 inches
• Movement Type:
  Vibrating reed
• Background Color:
  White single indicator all ranges
• Power Source:
  External
• Mounting Facility Type And Quantity:
  4 threaded stud
• Scale Graduation Type:
  Linear single indicator all ranges
• Measurement Range:
  +115.0/+135.0 hertz single indicator 1st range+122.5/+127.5 hertz single indicator 2nd range
• Measurement Range:
  +115.0 to 135.0 hertz single indicator 1st range
• Measurement Range:
  +122.5 to 127.5 hertz single indicator 2nd range
• Mounting Stud Diameter:
  0.250 inches
• Scale Selection Method:
  Terminal
• Circuit Attachment Method And Quantity:
  2 solder lug
• Nuclear Hardness Critical Feature:
  Nonhardened
• Style Designator:
  Rectangular 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):
  6625-00-237-4854