Electrical Tachometer Indicator

Features

Specifications

• Width:
  4.000 inches
• Current Type:
  Ac
• Ac Voltage Rating:
  115.0 volts
• Frequency Rating:
  400.0 hertz
• Depth:
  3.500 inches
• End Application:
  C-130 aircraft support
• Presentation Type:
  Digital display
• Scale Range:
  +66.0/+277.0 percent revolutions per minute single indicator single scale
• Electrical Connection Quantity:
  1
• Fuse Current Rating In Amps:
  1.0
• Display Type:
  Light emitting diode
• Display Digit Quantity:
  4
• Accuracy Rating:
  0.1 percent revolutions per minute single indicator single scale
• Part Name Assigned By Controlling Agency:
  Master percent rpm indicator
• Phase:
  Single
• Height:
  6.000 inches
• Supplementary Features:
  Ia small portable instrument used to measure the rpm of each engine on the c-130 acft; the led readout presents this information as some percent of 100% rpm making it suited for engine trim applications
• Federal Supply Class (fsc):
  Engine instruments
• National Stock Number (nsn):
  6620-01-394-0365
• Special Features:
  Weight 2 lbs; portable instrument; derives power from the aircraft bus; instrument circuitry 100% solid state; requires no calibration; essentially drift free; at 100% rpm the displayed percent rpm presentation is updated 7 times each second; interfaces to an existing phone jack in the flight deck onboard the acft