Electrical Frequency Meter

Features

Specifications

• Circuit Current For Which Designed:
  Ac
• Center To Center Distance Between Mounting Facilities Parallel To Length:
  Between 2.730 inches and 2.750 inches
• Center To Center Distance Between Mounting Facilities Parallel To Width:
  Between 2.363 inches and 2.383 inches
• Overall Height:
  3.500 inches
• Overall Width:
  3.500 inches
• Scale Division Quantity:
  40 single indicator single range
• Frequency Rating:
  400.0 hertz
• Mounting Stud Length:
  0.500 inches
• Shortest Horizontal Distance Between Mounting Centers:
  Between 1.360 inches and 1.380 inches
• Indicator Type:
  Dial w/pointer
• Installation Design:
  Panel
• Mounting Arrangement Style:
  Three hole/stud triangular
• Frequency Response Range:
  +380.000/+420.000 hertz
• Dial Scale Marking Color:
  Black single indicator single range
• Accuracy In Percent:
  -3.0/+3.0 at full scale single indicator single range
• Meter Depth Behind Mounting Flange:
  1.210 inches
• Meter Body Diameter Behind Mounting Flange:
  2.700 inches
• Background Color:
  White single indicator single range
• Pointer Color:
  Black single indicator single range
• Power Source:
  External
• Mounting Facility Type And Quantity:
  3 threaded stud
• Scale Graduation Type:
  Linear single indicator single range
• Measurement Range:
  +380.0/+420.0 hertz single indicator single range
• Mounting Stud Diameter:
  0.112 inches
• Movement Suspension Method:
  Taut band
• Circuit Attachment Method And Quantity:
  2 threaded stud
• Operating Voltage Rating In Volts:
  120.0 ac
• Nuclear Hardness Critical Feature:
  Nonhardened
• Style Designator:
  Rectangular flush mtg
• Federal Supply Class (fsc):
  Electrical and electronic properties measuring and testing instruments
• National Stock Number (nsn):
  6625-01-177-8966