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SM-AFR + Bosch Wideband O2 Sensor
iMFD Sensor Module - Wideband O2 Air Fuel Ratio
Digital Wideband Air/Fuel Sensor
DESCRIPTION:
SM-AFR accurately measures the precise wideband air fuel ratio (AFR) of any internal combustion engine. Up to 32 SM-AFR modules can be daisy chained together in the iMFD system. SM-AFR can also be used as a stand alone unit capable of interfacing with 3rd party hardware. All Sensor Modules are housed in high quality extruded aluminum designed to operate even in the most extreme conditions. In addition, all SM modules offer outstanding digital accuracy, response and resolution which far exceeds that of a standard gauge. Works with gasoline, bio diesel, ethanol, methanol, E85, LPG, and CNG.
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 PLX Critical Response Technology
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Users Guide
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| | Sensor Module Air to Fuel Ratio (AFR) | | with Bosch Wideband O2 | | Price: 189 € (PN SMAFR_BoshWideband) | |
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| | Sensor Module Air to Fuel Ratio (AFR) | | without Wideband O2 sensor | | Price: 155 € (PN SMAFR) | |
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CONNECTION DIAGRAM:
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Connects to 12V-18V power source.
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Analog outputs (0-5V linear wideband output, 0-1V narrowband output, ground)
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Termination jumper. Closed for first SM in daisy chain.
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Connects to next SM in daisy chain or to first DM
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Connects to previous SM or unconnected if first SM in daisy chain
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Connects to O2 Sensor Harness then to Bosch sensor.
TECHNOLOGY:
SM-AFR utilizes the latest digital PID and DSP technologies to maximize o2 sensor reaction time and accuracy without compromising overshoot, and slow settling response time. This technology is coupled with advanced self sensor calibration circuitry and sensor soft start to both prolong the life of your oxygen sensor as well as eliminating any user intervention for manual sensor calibration. PLX widebands may be used and installed in your vehicle permanently.
PLX Critical Response Technology |
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There are two recommended uses for the DM-5. The simple setup connects to just one SM module. This is great for stand alone gauges.
The full setup is great for monitoring several SM modules simultaneously. Looking at the above diagram.
The DM-5 AFR labeled (1) automatically displays the information from SM-AFR labeled (4). The DM-5 AFR labeled (2) automatically displays the information from SM-AFR labeled (5). The DM-5 AFR labeled (3) automatically displays the information from SM-AFR labeled (6) and so on.... The DM-5 automatically "knows" where to look for the information with respect to where it is connected in the iMFD chain.
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ANALOG OUTPUTS:
Wideband 0-5V analog linear output
Narrowband 0-1V analog output Replace your stock narrowband sensor
 
(Click to enlarge) |
INCLUDED ITEMS:
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SM-AFR main unit
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Bosch LSU 4.2 wideband sensor
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O2 sensor harness 10ft
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4ft power wire with 2.1mm connector
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4ft Analog wires and connector with 4 terminals
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1ft Serial Cable
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Termination jumper
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Quick start guide
The DM-5 AFR is an optional standard 52mm gauge designed to display the measured value from the SM-AFR module. More info |
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RECOMMENDED ACCESSORY:
click here to learn more
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| Physical Dimensions |
2" x 2.875" x 1.125" (52mm x 75mm x 28mm) L x W x H |
| Technology |
PLX Critical Response Technology, Fast Response PID |
| Accuracy |
< 0.1AFR (Gasoline) Wideband, < 0.2AFR (Gasoline) Narrowband |
| Measurement Range |
10-20AFR, 0.68 lambda - 1.36 lambda |
| Analog Outputs |
Wideband Linear 0-5V, Narrowband 0-1V (Driving Current 20mA) |
| Operating Voltage |
8V-18V |
| Power Consumption |
30 Watts (Max), 18 Watts (Typical) |
| Power Supply Technology |
High Efficiency Switching |
| Operating Temperature |
0 - 85 Deg C |
| Sensor |
One Bosch LSU 4.2 |
| Enclosure |
Extruded Aluminum |
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