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NGK Spark Plugs 90067 - NTK Air-Fuel Ratio Monitor Kit

NGK Spark Plugs 90067 - NTK Air-Fuel Ratio Monitor Kit

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On sale $281.99
Retail Price:$722.77
Your Savings:$440.78(61%)
Part Number:90067
The NTK AFRM GEN2 is a true air/fuel monitor that senses exhaust oxygen, carbon monoxide, hydrogen, and hydrocarbons in the exhaust and calculates real time air fuel ratio (AFR). NTK # 90067 . The NTK AFRM GEN2 updates upon the NTK AFRM in several ways and offers lambda display as well as AFR. 


Accurate Information
The NTK AFRM GEN2 Air Fuel Ratio Monitor is the most affordable true wideband technology to date. Many low-cost air-fuel ratio monitors do not use wideband sensors; they simply manipulate a standard narrow-band oxygen sensor signal with rough inaccurate data resulting in only marginal success. The NTK AFRM GEN2 Air Fuel Ratio Monitor reads air fuel ratio (AFR) values from 9.0 to 20.0 (0.62-1.37λ) or 9.0:1 to 16.0:1 (0.62-1.1λ) with a resolution of 0.1.

True Wideband Technology
The NTK AFRM is a true air/fuel monitor that senses exhaust oxygen, carbon monoxide, hydrogen, and hydrocarbons in the exhaust and calculates real time air fuel ratio (AFR). Air Fuel Ratio is a crucial parameter that dictates horsepower and engine performance. Performance enthusiasts and tuners can use Air Fuel Ratio information to make adjustments to the fuel delivery system (carburetor, fuel injection) to help achieve the maximum horsepower available from their engine. The AFX is compatible with a next generation NTK UEGO (wideband) sensor without any changes in hardware or programming and offers superb accuracy (comparable to some laboratory grade systems). 

Cost Effective
Traditionally these types of tools commanded price tags in the thousands of dollars putting them out of reach for most enthusiasts and amateur/grassroots racers. NTK's advances in technology have made this highly accurate tool affordable. 

Experience
NTK is the world leader in exhaust gas sensors and sensor related technology. They supply OEM oxygen sensor technology to a huge range of Asian, European, and domestic auto manufacturers. 

Analog Compatible
The NTK AFRM has a 0 ~ 5V, linear analog output for AFR that can be used as an input to an engine controller, data acquisition system, or analog gauge with 0 to 5 volt input. 



Complete Wideband O2 Kit
The NTK Air Fuel Ratio Monitor Kit is a complete wideband O2 kit. This package comes with: 


  • LED Display Shows AFR or (Lambda)
  • Simplified Free Air Calibration
  • Reads 9.0-20.0:1 AFR (.062-1.37λ) or or 9.0:1 to 16.0:1 (0.62-1.1λ)
  • Exhaust boss & plug
  • Mounting Velcro
  • Comprehensive air-fuel ratio tuning manual
  • 0-5 volt Analog Output Signal
  • Adjustable Sampling Rate Display Speed
  • Dedicated wide band sensor
  • Compact display box (65x63x23mm)
  • 13ft Wiring Harness


Compatible Fuel Types:

  • Gasoline / Petrol (leaded or unleaded)
  • Alcohol (Methanol)
  • Ethanol
  • Compressed Natural Gas (CNG)
  • Liquefied Petroleum Gas (LPG)
  • Propane
  • Many other combustible fuels


This is all you need to accurately read air fuel ratio values.

Technical information
Selectable AF16 Mode (9:1-16:1AFR, 0-5v) or AF20 Mode (9:1-20:1AFR, 0.5-4.5v)
Default mode is AF16. AF16 mode calculations:
Gasoline AFR Formula = 9.00 + {Vout x 1.400}
Methanol AFR Formula = 3.96 + {Vout x 0.616}
Lambda Formula = 0.62 + {Vout x 0.096}
Voltage Output from 0v at 9:1 AFR to 5v at 16:1 AFR

AF20 mode calculations:
Gasoline AFR Formula = {(Vout - 0.5) x 2.75} + 9
Methanol AFR Formula = {(Vout - 0.5) x 1.21} + 3.96
Lambda Formula = {(Vout - 0.5) x 0.189} + 0.62
Ratiometric output from 0.5v at 9:1 AFR to 4.5v at 20:1 AFR


Common Questions
Q: Can the NTK AFRM GEN2 use the same sensors as the NGK Powerdex AFX?
A: No, the NTK AFRM & NTK AFRM GEN2 use a new sensor specifically designed for this application.

Q: Are the wiring harnesses the same between the NTK AFRM GEN2 and NGK Powerdex AFX
A: No, the NTK AFRM & NTK AFRM GEN2 use a new harness with different connectors

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