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Author Topic: Rukovanje s O2 senzorom, Oxygen Sensor Installation Issues  (Read 1470 times)
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« on: November 01, 2009, 09:01:47 AM »

Basic Confidence Tests

We recommend that all new users connect up their unit to power, a cable, and to the sensor to verify proper operation, before installing anywhere permanently. At this time a calibration procedure can be done and any logging or display software installed too. Please note the warning above about the sensor getting hot - we recommend you place the sensor in a ceramic/heavy-glass container or on a ceramic tile and don't leave the sensor unattended.

A basic test of the sensor and controller is easily performed with a low cost butane cigarette lighter. Simply squirt unlit butane down the nozzle of the sensor. Some of the air inside the sensor will be displaced and you should see a rich indication on the logger or display. As air slowly enters the sensor, and the butane escapes, the sensor will indicate increasingly leaner conditions. Blowing sharply on the sensor when it has been filled with butane will show a rapidly changing reading, demonstrating the speed of the sensor's response.

While the sensor is sitting in free-air* you will expect to see a very lean indication on the display. Free-air has an equivalent Lambda of around 208, and this is meaningless to display as such, so most of the displays will indicate LEAn or some similar indication.

*free-air is what we call clean ambient air with an oxygen concentration of around 20.9% and without any combustible hydrocarbons present.
« Last Edit: November 01, 2009, 09:03:26 AM by Zeljko » Logged

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