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MANUFACTURED BY MAXTEC
FIGURE 1
1.2 Component Identification
1.3 Component Description
1. 3 1/2-Digit Display - The 3 1/2 digit liquid crystal display (LCD)
provides direct readout of oxygen concentrations in the range of
0 - 105.0% (100.1% - 105.0% used for calibration determination
purposes). The digits also display error codes and calibration codes
as necessary.
2. Low Battery Indicator - The low battery indicator is located at the
top of the display and is only activated when the voltage on the bat-
teries is below a normal operating level.
3. “%” symbol - The “%” sign is located to the right of the concentration
number and is present during normal operation.
4. Calibration symbol - The calibration symbol is located at the
bottom of the display and is timed to activate when a calibration is
necessary.
5. ON/OFF Key - This key is used to turn the device on or off.
6. Calibration Key - This key is used to calibrate the device.
Holding the key for more than three seconds will force the device to
enter a calibration mode.
CAUTION: The device will assume a percent oxygen concentration
when calibrating. Be sure to apply 100% oxygen, or ambient air
concentration to the device during calibration or the device will not
calibrate correctly.
Sample Inlet Connection
This is the port at which the device is connected to determine oxygen concen-
tration.
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