Electrical Frequency Meter

Features

Specifications

• Circuit Current For Which Designed:
  Ac
• Mounting Hole Diameter:
  0.125 inches
• Scale Division Quantity:
  10 single indicator single range
• Frequency Rating:
  Between 55.0 hertz and 65.0 hertz
• Overall Diameter:
  2.696 inches
• Environmental Protection:
  Cold resistant and dust resistant and fungus resistant and humidity resistant and shock resistant and vibration resistant and water resistant and windproof
• Mounting Bolt Circle Diameter:
  2.469 inches
• Furnished Items And Quantity:
  Nut 3; lockwasher 3
• Indicator Type:
  Vibrating reed
• Installation Design:
  Panel
• Register Quantity:
  2
• Mounting Arrangement Style:
  Three hole/stud bolt circle
• Frequency Response Range:
  +55.000 to 65.000 hertz
• Dial Scale Marking Color:
  Black single indicator single range
• Resonant Reed Quantity:
  11
• Accuracy In Percent:
  -0.3 to 0.3 at full scale single indicator single range
• Meter Depth Behind Mounting Flange:
  2.579 inches
• Meter Body Diameter Behind Mounting Flange:
  2.096 inches
• Movement Type:
  Vibrating reed
• Background Color:
  White 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:
  +55.0/+65.0 hertz single indicator single range
• Measurement Range:
  +55.0 to 65.0 hertz single indicator single range
• Scale Selection Method:
  Terminal
• Movement Suspension Method:
  Jewel pivot base
• Circuit Attachment Method And Quantity:
  2 solder stud
• Operating Voltage Rating In Volts:
  Between 100.0 ac and 150.0 ac
• Phase:
  Single
• Nuclear Hardness Critical Feature:
  Nonhardened
• Special Test Features:
  Complies with mil-m-10304
• Style Designator:
  Round 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):
  6625-00-052-6076