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AEM 30-4900 - AEM Digital Air Fuel Ratio (AFR) Gauge



AEM 30-4900 - AEM Digital Air Fuel Ratio (AFR) Gauge

JEGS Part Number: 017-30-4900

Wideband Air/Fuel & Boost-In-One Gauge
$320.98
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AEM 30-4900 - AEM Digital Air Fuel Ratio (AFR) Gauge Details

Wideband Failsafe Gauge

EXAMPLE ENGINE PROTECTION STRATEGIES NATURALLY ASPIRATED, TURBOCHARGED OR SUPERCHARGED WITH STAND ALONE EMS OR PIGGYBACK CONTROLLER: Can use the low side output to cut revs, retard timing, trigger a separate fuel or ignition map and activate an ancillary warning light. Users with turbos can also trigger the device to cut boost (may require separate solenoid). The aforementioned strategies are provided as an example. Available failsafe strategies will ultimately be dependent on the capability of the EMS or piggyback engine controller.

Specifications:

Shape
Round
Sending Unit Included
Yes
Bezel Finish
Black/Silver
Gauge Face Color
Black/White
Gauge Series
Digital
Gauge Size (in.)
2 1/16 diameter
Gauge Size (mm)
52.00 diameter
Gauge Style
AEM digital
Gauge Type
Air/Fuel Ratio/Boost/Vacuum
OEM Replacement
No
Quantity
Sold individually
Sending Unit
Electrical
Sweep
Digital numeric
Manufacturer's Part Number:
30-4900

AEM's legendary Wideband O2 Air/Fuel UEGO Gauge unites unsurpassed accuracy, speed and control with an easy to read, digital interface. This gauge-type controller features a digital LED display and sweeping LED "needle" that changes colors as AFR changes from rich to lean. The unit's 52mm (2-1/16") gauge housing fits in most gauge pods and can be remotely mounted virtually anywhere. All AEM digital gauges feature a 0-5v analog output for use with data loggers and virtually any engine management system, such as the AEM EMS or FIC.

FAST, ACCURATE AIR/FUEL DATA: AEM's world famous Wideband O2 UEGO Gauge is a must for anyone looking to maximize engine power and safety. When tuning an engine, accurate Air/Fuel Ratio data is critical. Running rich can cause a loss in power, while running too lean may result in serious engine damage. The AEM Wideband O2 UEGO Gauge features large LED numerals which enable the user to see when there's even a .1 change in ratio, providing time to shut things down before damage occurs. Each gauge comes with interchangeable black and silver bezels and black and white gauge faceplates for multiple color combinations.

The Bosch 4.2LSU sensor, which gives the controller its speed and accuracy, is laboratory calibrated at the factory and never requires free air calibration when used with an AEM Controller!

Features:
  • No free air calibration required - ever
  • Ideal AFR monitoring tool for EFI and carbureted applications, and engine dynamometers
  • Accurate to .1 AFR
  • Includes white and black gauge faces
  • Includes black and silver interchangeable bezels
  • Does not oscillate AFR reading like narrow band sensors
  • Includes Bosch 4.2 sensor for optimum accuracy and reliability
  • 0-5v analog output included for use with data loggers and virtually any engine management system

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