and the battery icon on the display will become red and flashing. After
this point, if operation is continued and the battery power is too low,
the instrument will eventually be turned off automatically. To be fully
charged, please allow up to seven hours, and for the first use, the
recommended charging time is at least 14hrs.
3.4 Ranging
The electronics and software in the analyzer automatically sets the
display for the best resolution.The maximum it will read is 100%
oxygen,and the minimum is 0.01ppm of oxygen.In typical use it will
not display more than 20.9% oxygen if the sensor is exposed to air.
The voltage output and the data storage are scaled to a particular
range,normally 0-100ppm.It is possible to change this range to one of
ten values between 0-10ppm and 0-25% by the use of the optional PC
interface program.Normally the setting range is most practical.
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