Electrical Frequency Meter

Features

Specifications

• Circuit Current For Which Designed:
  Ac
• Center To Center Distance Between Mounting Facilities Parallel To Length:
  2.500 inches
• Center To Center Distance Between Mounting Facilities Parallel To Width:
  2.500 inches
• Overall Height:
  3.250 inches
• Overall Width:
  3.250 inches
• Mounting Hole Diameter:
  Between 0.168 inches and 0.172 inches
• Environmental Protection:
  Dust resistant and shock resistant and water resistant
• Furnished Items And Quantity:
  Nut 2; lock washer 2; flat washer 2
• Indicator Type:
  Dial w/pointer
• Installation Design:
  Panel
• Mounting Arrangement Style:
  Four hole/stud rectangular/square
• Dial Scale Marking Color:
  White single indicator single range
• Accuracy In Percent:
  -1.0/+1.0 at full scale single indicator single range
• Unable To Decode:
  Unable to decode or unable to decode
• Meter Depth Behind Mounting Flange:
  1.875 inches
• Meter Body Diameter Behind Mounting Flange:
  3.130 inches
• Movement Type:
  Moving coil, permanent magnet
• Background Color:
  Black single indicator single range
• Pointer Color:
  White single indicator single range
• Mounting Facility Type And Quantity:
  4 unthreaded hole
• Scale Graduation Type:
  Nonlinear single indicator single range
• Measurement Range:
  +350.0/+450.0 hertz single indicator single range
• Scale Selection Method:
  Terminal
• Movement Suspension Method:
  Taut band
• Circuit Attachment Method And Quantity:
  2 threaded stud
• Nuclear Hardness Critical Feature:
  Nonhardened
• Special Test Features:
  Porm .4 pct accuracy at 400 hz
• Style Designator:
  Round flush mtg w/4 tabs
• Federal Supply Class (fsc):
  Electrical and electronic properties measuring and testing instruments
• National Stock Number (nsn):
  6625-00-806-8759
• Special Features:
  Lance type pointer