Electrical Frequency Meter

Features

Specifications

• Circuit Current For Which Designed:
  Ac
• Dielectric Withstanding Voltage In Volts:
  2300.0
• Center To Center Distance Between Mounting Facilities Parallel To Length:
  3.380 inches
• Center To Center Distance Between Mounting Facilities Parallel To Width:
  3.380 inches
• Overall Height:
  4.330 inches
• Overall Width:
  4.330 inches
• Scale Division Quantity:
  50 single indicator single range
• Mounting Stud Length:
  0.945 inches
• Environmental Protection:
  Watertight
• Furnished Items And Quantity:
  Nut 4; washer 6
• Indicator Type:
  Dial w/pointer
• Installation Design:
  Panel
• Mounting Arrangement Style:
  Four hole/stud rectangular/square
• Frequency Response Range:
  +55.000/+65.000 hertz
• Sensitivity Rating:
  120.0 volts
• Dial Scale Marking Color:
  Black single indicator single range
• Accuracy In Percent:
  -0.15/+0.15 at full scale single indicator single range
• Unable To Decode:
  Unable to decode or unable to decode
• Meter Depth Behind Mounting Flange:
  5.220 inches
• Meter Body Diameter Behind Mounting Flange:
  3.970 inches
• Movement Type:
  Moving iron vane
• Background Color:
  White single indicator single range
• Pointer Color:
  Black single indicator single range
• Power Source:
  External
• Mounting Facility Type And Quantity:
  4 threaded stud
• Scale Graduation Type:
  Linear single indicator single range
• Measurement Range:
  +55.0/+65.0 hertz single indicator single range
• Mounting Stud Diameter:
  0.250 inches
• Features Provided:
  External shunting and magnetic shield and transformer and zero adjuster
• Movement Suspension Method:
  Taut band
• Circuit Attachment Method And Quantity:
  2 screw
• Operating Voltage Rating In Volts:
  120.0 ac
• Nuclear Hardness Critical Feature:
  Nonhardened
• Style Designator:
  Rectangular flush mtg
• Fsc Application Data:
  Switchboard pwr emer
• Federal Supply Class (fsc):
  Electrical and electronic properties measuring and testing instruments
• National Stock Number (nsn):
  6625-01-314-7439
• Special Features:
  Red line at 60hz