Auto Meter 2244 Oxygen Sensor Kit For Narrowband Air / Fuel Ratio Gauge
I was trying to be helpful. Narrow band O2 IS just about useless. It tells you if you are rich, or lean, from stoich, OK, but doesn't give you ANY idea of how much, and they are completely meaningless for full power readings.
Others already answered you. These use any common sensor. The Narrowband sensors don't require a complicated controller like wideband do, they are "self generating" and output the narrow band signal which is simply a voltage read by the gauge unit. In other words you could replace the gauge with a high impedance multimeter.
This is the output of a narrow band O2. Notice that it "tops out" at just below 1 volt, and that readings richer than "approaching" 14:1 don't show any change. This makes it useless for "power" readings. The same is true for the lean end of the scale. The bottom end of the scale flattens at just over 15:1
I was trying to be helpful. Narrow band O2 IS just about useless. It tells you if you are rich, or lean, from stoich, OK, but doesn't give you ANY idea of how much, and they are completely meaningless for full power readings.
Others already answered you. These use any common sensor. The Narrowband sensors don't require a complicated controller like wideband do, they are "self generating" and output the narrow band signal which is simply a voltage read by the gauge unit. In other words you could replace the gauge with a high impedance multimeter.
This is the output of a narrow band O2. Notice that it "tops out" at just below 1 volt, and that readings richer than "approaching" 14:1 don't show any change. This makes it useless for "power" readings. The same is true for the lean end of the scale. The bottom end of the scale flattens at just over 15:1
