Electrical Frequency Meter

Features

Specifications

• Circuit Current For Which Designed:
  Ac
• Dielectric Withstanding Voltage In Volts:
  800.0
• Mounting Hole Diameter:
  0.150 inches
• Frequency Rating:
  Between 47.0 hertz and 63.0 hertz
• Overall Diameter:
  3.500 inches
• Environmental Protection:
  Airtight and dust resistant and fungus resistant and heat resistant and humidity resistant and shock resistant and vibration resistant and water resistant
• Mounting Bolt Circle Diameter:
  3.160 inches
• Furnished Items And Quantity:
  Nut 3; lockwasher 3; seal 1
• Indicator Type:
  Vibrating reed
• Installation Design:
  Panel
• Register Quantity:
  2
• Mounting Arrangement Style:
  Three hole/stud bolt circle
• Sensitivity Rating:
  140.0 ohms per volt
• Dial Scale Marking Color:
  Black single indicator all ranges
• Resonant Reed Quantity:
  14
• Accuracy In Percent:
  -3.0/+3.0 at full scale single indicator all ranges
• Accuracy In Percent:
  -3.0 to 3.0 at full scale single indicator all ranges
• Meter Depth Behind Mounting Flange:
  2.250 inches
• Meter Body Diameter Behind Mounting Flange:
  2.687 inches
• Movement Type:
  Vibrating reed
• Background Color:
  White single indicator all ranges
• Power Source:
  External
• Mounting Facility Type And Quantity:
  3 screw and 3 unthreaded hole
• Measurement Range:
  +47.0/+53.0 hertz single indicator 1st range
• Measurement Range:
  +57.0/+63.0 hertz single indicator 2nd range
• Measurement Range:
  +47.0 to 53.0 hertz single indicator 1st range
• Measurement Range:
  +57.0 to 63.0 hertz single indicator 2nd range
• Scale Selection Method:
  Terminal
• Features Provided:
  Magnetic shield
• Circuit Attachment Method And Quantity:
  2 eyelet
• Operating Voltage Rating In Volts:
  Between 100.0 ac and 130.0 ac
• Special Markings:
  On side, sealed do not open
• 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):
  6625-00-601-6089
• Special Features:
  Ruggedized