Electrical Frequency Meter

Features

Specifications

• Circuit Current For Which Designed:
  Ac
• Center To Center Distance Between Mounting Facilities Parallel To Length:
  2.470 inches
• Center To Center Distance Between Mounting Facilities Parallel To Width:
  2.470 inches
• Overall Height:
  3.250 inches
• Overall Width:
  3.250 inches
• Mounting Hole Diameter:
  0.170 inches
• Scale Division Quantity:
  50 single indicator single range
• Furnished Items And Quantity:
  Nut 6; washer 6
• 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:
  -2.0/+2.0 at full scale single indicator single range
• Accuracy In Percent:
  -2.0 to 2.0 at full scale single indicator single range
• Meter Depth Behind Mounting Flange:
  2.310 inches
• Meter Body Diameter Behind Mounting Flange:
  3.130 inches
• Movement Type:
  Moving iron vane
• Background Color:
  White single indicator single range
• Pointer Color:
  Black single indicator single range
• Power Source:
  External
• Mounting Facility Type And Quantity:
  4 screw and 4 unthreaded hole
• Scale Graduation Type:
  Linear single indicator single range
• Measurement Range:
  +350.0/+450.0 hertz single indicator single range
• Measurement Range:
  +350.0 to 450.0 hertz single indicator single range
• Features Provided:
  Zero adjuster
• Movement Suspension Method:
  Taut band
• Circuit Attachment Method And Quantity:
  2 threaded stud
• Nuclear Hardness Critical Feature:
  Nonhardened
• Style Designator:
  Round flush mtg w/4 tabs
• Fsc Application Data:
  Test set, elect. Equip.
• Federal Supply Class (fsc):
  Electrical and electronic properties measuring and testing instruments
• National Stock Number (nsn):
  6625-00-649-4768