Electrical Frequency Meter

Features

Specifications

• Circuit Current For Which Designed:
  Ac
• Scale Division Quantity:
  21 single indicator single range
• Overall Diameter:
  3.500 inches
• Mounting Bolt Circle Diameter:
  3.160 inches
• Furnished Items And Quantity:
  Mtg hardware 3, gasket 1
• Indicator Type:
  Dial w/pointer
• Installation Design:
  Panel
• Register Quantity:
  21
• Mounting Arrangement Style:
  Three hole/stud bolt circle
• Frequency Response Range:
  +380.000/+420.000 hertz
• Sensitivity Rating:
  130.0 ohms per volt
• Dial Scale Marking Color:
  Black single indicator single range
• Resonant Reed Quantity:
  21
• Accuracy In Percent:
  -2.0/+2.0 at full scale single indicator single range
• Meter Depth Behind Mounting Flange:
  2.250 inches
• Meter Body Diameter Behind Mounting Flange:
  2.688 inches
• Movement Type:
  Vibrating reed
• Pointer Color:
  Black single indicator single range
• Scale Graduation Type:
  Linear single indicator single range
• Measurement Range:
  +380.0/+420.0 hertz single indicator single range
• Scale Selection Method:
  Terminal
• Circuit Attachment Method And Quantity:
  2 solder lug
• Nuclear Hardness Critical Feature:
  Nonhardened
• Style Designator:
  Round flush mtg
• Federal Supply Class (fsc):
  Electrical and electronic properties measuring and testing instruments
• National Stock Number (nsn):
  6625-01-168-0826