Electrical Frequency Meter

Features

Specifications

• Circuit Current For Which Designed:
  Ac
• Mounting Hole Diameter:
  Between 0.143 inches and 0.157 inches
• Scale Division Quantity:
  140 single indicator single range
• Frequency Rating:
  Between 48.0 hertz and 62.0 hertz
• Overall Diameter:
  3.510 inches
• Environmental Protection:
  Cold resistant and heat resistant and humidity resistant and shock resistant and vibration resistant
• Mounting Bolt Circle Diameter:
  3.160 inches
• Furnished Items And Quantity:
  Nut 7; washer 7
• Indicator Type:
  Dial w/pointer
• Installation Design:
  Panel
• Mounting Arrangement Style:
  Three hole/stud bolt circle
• Frequency Response Range:
  +48.000/+62.000 hertz
• Sensitivity Rating:
  300.0 microamperes
• Dial Scale Marking Color:
  Black single indicator single range
• Accuracy In Percent:
  -0.25/+0.25 at full scale single indicator single range
• Unable To Decode:
  Unable to decode or unable to decode
• Meter Depth Behind Mounting Flange:
  1.660 inches
• Meter Body Diameter Behind Mounting Flange:
  2.800 inches
• Background Color:
  White single indicator single range
• Pointer Color:
  Black single indicator single range
• Power Source:
  External
• Mounting Facility Type And Quantity:
  3 screw and 3 unthreaded hole
• Scale Graduation Type:
  Linear single indicator single range
• Measurement Range:
  +48.0/+62.0 hertz single indicator single range
• Scale Selection Method:
  Terminal
• Features Provided:
  Zero adjuster
• Circuit Attachment Method And Quantity:
  2 threaded stud
• Operating Voltage Rating In Volts:
  Between 105.0 ac and 135.0 ac
• Phase:
  Single
• Special Markings:
  Blue mark at 50; red mark at 60; no marking between 54 and 56
• Nuclear Hardness Critical Feature:
  Nonhardened
• Special Test Features:
  Conforms to mil-m-10304
• Style Designator:
  Round flush mtg
• Supplementary Features:
  2500 ohms resistance
• Federal Supply Class (fsc):
  Electrical and electronic properties measuring and testing instruments
• National Stock Number (nsn):
  6625-00-905-0326
• Special Features:
  Ruggedized