Electrical Frequency Meter

Features

Specifications

• Circuit Current For Which Designed:
  Ac
• Dielectric Withstanding Voltage In Volts:
  3000.0
• Mounting Hole Diameter:
  0.125 inches
• Scale Division Quantity:
  20 single indicator single range
• Frequency Rating:
  400.0 hertz
• Overall Diameter:
  2.695 inches
• Environmental Protection:
  Shock resistant and vibration resistant and watertight
• Mounting Bolt Circle Diameter:
  2.440 inches
• End Application:
  Aircraft fms-ta-4j, c-2 (reprocured) , tomcat f-14, viking s-3b, helicopter mh-53e, sh-60f, hh-60h, sea king h-3, advance attack ah-1w, uscg search and rescue hh-60j
• Furnished Items And Quantity:
  Mtg hdw 3; term. Hdw 2
• Indicator Type:
  Dial w/pointer
• Installation Design:
  Panel
• Mounting Arrangement Style:
  Three hole/stud bolt circle
• Frequency Response Range:
  +390.000 to 410.000 hertz
• Dial Scale Marking Color:
  Black single indicator single range
• Accuracy In Percent:
  -5.0 to 5.0 at full scale single indicator single range
• Meter Depth Behind Mounting Flange:
  1.700 inches
• Meter Body Diameter Behind Mounting Flange:
  2.210 inches
• Movement Type:
  Moving coil, permanent magnet
• Background Color:
  White single indicator single range
• Pointer Color:
  Black 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:
  +390.0 to 410.0 hertz single indicator single range
• Scale Selection Method:
  Terminal
• Features Provided:
  Zero adjuster
• Criticality Code Justification:
  Feat
• Movement Suspension Method:
  Jewel pivot base
• Circuit Attachment Method And Quantity:
  2 solder lug
• Phase:
  Single
• Special Test Features:
  Conforms to mil-m-10304
• Style Designator:
  C1 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):
  6625-01-044-2560
• Special Features:
  Weapon system essential