Electrical Frequency Meter

Features

Specifications

• Circuit Current For Which Designed:
  Ac
• Dielectric Withstanding Voltage In Volts:
  1500.0
• Mounting Hole Diameter:
  0.130 inches
• Frequency Rating:
  400.0 hertz
• Overall Diameter:
  3.510 inches
• Environmental Protection:
  Hermetic and heat resistant and shock resistant and vibration resistant
• Mounting Bolt Circle Diameter:
  3.160 inches
• Indicator Type:
  Vibrating reed
• Installation Design:
  Panel
• Register Quantity:
  1
• Mounting Arrangement Style:
  Three hole/stud bolt circle
• Frequency Response Range:
  +380.000/+420.000 hertz
• Frequency Response Range:
  +380.000 to 420.000 hertz
• Dial Scale Marking Color:
  Black single indicator single range
• Resonant Reed Quantity:
  21
• Accuracy In Percent:
  -0.5/+0.5 at full scale single indicator single range
• Accuracy In Percent:
  -0.5 to 0.5 at full scale single indicator single range
• Meter Depth Behind Mounting Flange:
  2.250 inches
• Meter Body Diameter Behind Mounting Flange:
  2.800 inches
• Movement Type:
  Vibrating reed
• Background Color:
  White single indicator single range
• Power Source:
  External
• Mounting Facility Type And Quantity:
  3 unthreaded hole
• Measurement Range:
  +380.0/+420.0 hertz single indicator single range
• Measurement Range:
  +380.0 to 420.0 hertz single indicator single range
• Scale Selection Method:
  Terminal
• Circuit Attachment Method And Quantity:
  2 solder lug
• Operating Voltage Rating In Volts:
  Between 100.0 ac and 130.0 ac
• Phase:
  Single
• Nuclear Hardness Critical Feature:
  Nonhardened
• 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):
  6625-00-585-1854
• Special Features:
  3.0 watts max power consumption