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:
  4.422 inches
• Overall Width:
  4.422 inches
• Scale Division Quantity:
  9 single indicator single range
• Frequency Rating:
  60.0 hertz
• Mounting Stud Length:
  0.625 inches
• Environmental Protection:
  Watertight
• Furnished Items And Quantity:
  Mtg hdw 4; term. Hdw 3
• Indicator Type:
  Dial w/pointer
• Installation Design:
  Panel
• Mounting Arrangement Style:
  Four hole/stud rectangular/square
• Frequency Response Range:
  +56.000/+65.000 hertz
• Frequency Response Range:
  +56.000 to 65.000 hertz
• Dial Scale Marking Color:
  Black single indicator single range
• Accuracy In Percent:
  -1.0/+1.0 at full scale single indicator single range
• Accuracy In Percent:
  -1.0 to 1.0 at full scale single indicator single range
• Meter Depth Behind Mounting Flange:
  3.063 inches
• Meter Body Diameter Behind Mounting Flange:
  3.930 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:
  +56.0/+65.0 hertz single indicator single range
• Measurement Range:
  +56.0 to 65.0 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:
  3 threaded stud
• Operating Voltage Rating In Volts:
  Between 100.0 ac and 140.0 ac
• Phase:
  Single
• Nuclear Hardness Critical Feature:
  Nonhardened
• Special Test Features:
  Used w/external transducer
• 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):
  6625-00-435-2338
• Special Features:
  Ruggedized