Riken Keiki OX-07, Руководство по эксплуатации

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3. OPERATION
3-1. Start-up procedure
When the OX-07 is turned on, it enters measuring mode automatically. The concentration of
the target gas is displayed on the LCD.
<<Start-up Procedure>>(About 15 seconds)
3-2. Performing a fresh air adjustment
Before using the OX-07, set the fresh air reading. Performing this adjustment ensures
accurate gas readings in the monitoring environment.
1)
Find a fresh air environment, an environment of normal oxygen content is 20.9%.
2) With the unit on and in measuring mode, press and hold the AIR button. The LCD
displays “hold” prompting you to hold the AIR button.
3) After a moment, the LCD indicates “Adj”. Continue to hold the AIR button.
4) Release the AIR button when the LCD displays “RELEASE” in the upper left corner.
5) About 2 seconds later, the LCD indicates “FINISH” in the upper left corner and returns
to measuring mode, showing that the fresh air adjustment has been completed
automatically.
The operating temperature range of this unit is -20 to +50degreeC. However, oxygen
concentration reading may fluctuate if the ambient temperature changes suddenly.
* NOTE
Power on
％
％
％ ％
％
％
Displaying the
battery voltage
Displaying the
full scale
Displaying the
WARNING level
Displaying the
ALARM level
Starts on measurement
AIR button
Continue to hold the AIR button
Release the
AIR button
％ ％
Displaying the
target gas