Small Portable LSU4.9 Air-Fuel Ratio Analyzer DLE60120 Drone Engine Carburetor Adjusts Afr Value and Lambda Value
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Small Portable LSU4.9 Air-Fuel Ratio Analyzer DLE60120 Drone Engine Carburetor Adjusts Afr Value and Lambda Value
This tool uses LSU4.9 to measure the oxygen concentration in the exhaust gas, and displays the air-fuel ratio of the engine in real time, providing an intuitive reference for debugging the engine carburetor. According to the value, the appropriate oil needle range can be adjusted, without the need for Relying on guesswork.
The main difference between LSU4.9 and LSU4.2 is that the measurement of LSU4.9 is based on the reference pump current, while the measurement of LSU4.2 is based on the air of the natural environment. Conventional exhaust pipes with sensor interfaces such as DLE60 and DLE120 can be provided, and can also be customized according to customer needs.
If the customer makes his own, he only needs to weld an M18X1.5 joint with a height of about 10mm to the exhaust pipe.
It can be powered by 3S lithium batteries or 12V batteries. Do not unplug or plug in the sensor when it is powered on. Do not drop the sensor violently or encounter water when it is reheated, otherwise the internal ceramic structure will easily break.
A 0-5v analog signal output is reserved, which can be used as a feedback control signal for the ECU. If you need this option, please inform the seller in advance.