Portable Oxygen Analyzer | Operation | |
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keys except the CAL and ON/OFF (I/O) keys are inoperable until a successful calibration is achieved.
5.Note the battery display located below the oxygen readout display. It continuously shows a bar graph of the remaining life to the batteries. In the case of fresh batteries, it should illuminate all 5 segments from the left to the right end of the bar. The bar graph indicator is on continuously whenever the instrument is powered on.
2.1.4Calibration
The
Whenever new batteries are installed or removed for any reason, the oxygen analyzer defaults to the calibration mode with the LCD display flashing 00.0. Only the CAL and ON/OFF (I/O) keys are functional at this point.
Note: For first time and for routine maintenance calibrations, make sure the sensor and sensor cable are installed correctly before attempting to calibrate the instrument
To calibrate the instrument (See Figure
1. | Turn the unit on by pressing the ON/OFF (I/O) key. | Figure | |
2. | Check the battery status via the bar graph. | ||
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3.If the LCD is not flashing, press the LOCK/UNLOCK key to unlock the keys. LCD will flash indicating changes can be made to the settings. If the batteries have just been installed the LCD will flash 00.0
4.As with most oxygen analyzer(s) the highest level of accuracy is achieved when calibration is conducted using 100% oxygen. After installing the flow diverter as noted in Section 2.1.1, insert the sensor into the plastic tee and connect to a supply of pure dry oxygen flowing at
Note: An accessory calibration assembly (P/N C53790) is available from Teledyne for use with the R17MED sensor
Teledyne Analytical Instruments | 19 |