Electrical Frequency Meter

Features

Specifications

• Circuit Current For Which Designed:
  Ac
• Center To Center Distance Between Mounting Facilities Parallel To Length:
  3.376 inches
• Center To Center Distance Between Mounting Facilities Parallel To Width:
  3.376 inches
• Overall Height:
  Between 4.250 inches and 4.750 inches
• Overall Width:
  Between 4.250 inches and 4.750 inches
• Scale Division Quantity:
  10 single indicator single range
• Frequency Rating:
  400.0 hertz
• Mounting Stud Length:
  0.625 inches
• Environmental Protection:
  Shock resistant
• Indicator Type:
  Dial w/pointer
• Installation Design:
  Panel
• Mounting Arrangement Style:
  Four hole/stud rectangular/square
• Dial Scale Marking Color:
  Black single indicator single range
• Accuracy In Percent:
  -0.05/+0.05 at full scale single indicator single range
• Meter Depth Behind Mounting Flange:
  9.000 inches
• Meter Body Diameter Behind Mounting Flange:
  3.980 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:
  4 threaded stud
• Scale Graduation Type:
  Linear single indicator single range
• Measurement Range:
  +395.0/+405.0 hertz single indicator single range
• Mounting Stud Diameter:
  0.250 inches
• Features Provided:
  Zero adjuster
• Movement Suspension Method:
  Jewel pivot base
• Circuit Attachment Method And Quantity:
  2 threaded stud
• 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):
  6625-01-205-1976
• Special Features:
  Red line at 400 hz