Electrical Frequency Meter

Part Number 1778-A

Quality inspected with certificate of conformity. For questions and pricing call us at +1 210-468-8090

We ship worldwide

Features

2.000 inches maximum overall length, steel corrosion resisting material, enamel semigloss surface treatment.

Luminous scale marking round flush mtg.

Includes quality control certificate of conformance.

Specifications

  • Circuit Current For Which Designed:
    Ac
  • Dielectric Withstanding Voltage In Volts:
    3000.0
  • Mounting Hole Diameter:
    Between 0.143 inches and 0.157 inches
  • Scale Division Quantity:
    40 single indicator single range
  • Overall Diameter:
    3.500 inches
  • Environmental Protection:
    Cold resistant and heat resistant and shock resistant and submersible and vibration resistant and watertight
  • Mounting Bolt Circle Diameter:
    3.160 inches
  • Furnished Items And Quantity:
    Mtg hardware included
  • Indicator Type:
    Dial w/pointer
  • Installation Design:
    Panel
  • Mounting Arrangement Style:
    Three hole/stud bolt circle
  • Sensitivity Rating:
    200.0 microamperes
  • Dial Scale Marking Color:
    Black single indicator single range
  • Accuracy In Percent:
    -2.0/+2.0 at full scale single indicator single range
  • Accuracy In Percent:
    -2.0 to 2.0 at full scale single indicator single range
  • Unable To Decode:
    Unable to decode or unable to decode
  • Meter Depth Behind Mounting Flange:
    1.200 inches
  • Meter Body Diameter Behind Mounting Flange:
    2.670 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:
    3 screw and 3 unthreaded hole
  • Scale Graduation Type:
    Linear single indicator single range
  • Measurement Range:
    +58.0/+62.0 hertz single indicator single range
  • Measurement Range:
    +58.0 to 62.0 hertz single indicator single range
  • Features Provided:
    Luminous scale marking and magnetic shield and zero adjuster
  • Movement Suspension Method:
    Jewel pivot base
  • Circuit Attachment Method And Quantity:
    2 solder lug and 2 threaded stud
  • Special Markings:
    Sealed do not open on back of meter
  • Nuclear Hardness Critical Feature:
    Nonhardened
  • 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):
    6625-00-179-5147
  • Special Features:
    Ruggedized

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