Electrical Frequency Meter

Features

Specifications

• Circuit Current For Which Designed:
  Dc
• Scale Division Quantity:
  48 single indicator single range
• Mounting Stud Length:
  Between 0.375 inches and 0.625 inches
• Overall Diameter:
  3.510 inches
• Mounting Bolt Circle Diameter:
  3.160 inches
• Indicator Type:
  Dial w/pointer
• Installation Design:
  Panel
• Mounting Arrangement Style:
  Three hole/stud bolt circle
• Frequency Response Range:
  +388.000/+412.000 hertz
• Dial Scale Marking Color:
  Black single indicator single range
• Accuracy In Percent:
  -2.0/+2.0 at full scale single indicator single range
• Meter Depth Behind Mounting Flange:
  1.660 inches
• Meter Body Diameter Behind Mounting Flange:
  2.800 inches
• Movement Type:
  Moving coil, permanent magnet
• Background Color:
  White single indicator single range
• Pointer Color:
  Black single indicator single range
• Power Source:
  External
• Mounting Facility Type And Quantity:
  3 flange
• Scale Graduation Type:
  Linear single indicator single range
• Measurement Range:
  +388.0/+412.0 hertz single indicator single range
• Scale Selection Method:
  Terminal
• Features Provided:
  Magnetic shield and zero adjuster
• Movement Suspension Method:
  Jewel pivot base
• Circuit Attachment Method And Quantity:
  2 threaded stud
• Special Markings:
  Red line at 400 hertz
• 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):
  6625-00-869-3146
• Special Features:
  Terminal no. 1/4-28 thd 0.500 in. Lg