Electrical Frequency Meter

Features

Specifications

• Circuit Current For Which Designed:
  Ac
• Dielectric Withstanding Voltage In Volts:
  1500.0
• Center To Center Distance Between Mounting Facilities Parallel To Length:
  2.250 inches
• Center To Center Distance Between Mounting Facilities Parallel To Width:
  2.250 inches
• Overall Height:
  3.125 inches
• Overall Width:
  3.000 inches
• Frequency Rating:
  Between 380.0 hertz and 420.0 hertz
• Mounting Stud Length:
  0.500 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
• Furnished Items And Quantity:
  Nut 10; lockwasher 4; flat washer 4; seal 1
• Indicator Type:
  Vibrating reed
• Installation Design:
  Panel
• Register Quantity:
  1
• Mounting Arrangement Style:
  Four hole/stud rectangular/square
• 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:
  11
• Meter Depth Behind Mounting Flange:
  2.312 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:
  4 threaded stud
• Measurement Range:
  +380.0/+420.0 hertz single indicator single range
• Measurement Range:
  +380.0 to 420.0 hertz single indicator single range
• Mounting Stud Diameter:
  0.112 inches
• Scale Selection Method:
  Terminal
• Features Provided:
  Magnetic shield
• Movement Suspension Method:
  Jewel pivot base
• Circuit Attachment Method And Quantity:
  2 threaded stud
• Operating Voltage Rating In Volts:
  150.0 ac
• Nuclear Hardness Critical Feature:
  Nonhardened
• Style Designator:
  Rectangular 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):
  6625-00-649-4724
• Special Features:
  Ruggedized