isweek AS8900 - Notice Before Use; Cautions and Warnings

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1.1 CAUTIONS AND WARNINGS
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The user need to read and follow the procedures and
conditions as below to prevent ant failure might be
occurred during operating this instrument.
Insufficent oxygen atmospheres may cause combustile
gas readings be lower then actual corrected readings.
Enriched oxygen atmospheres may cause combustile
gas readings be higher then the actual corrected
readings.
The intruments need to be re-calibrated after the
instrument has been used in an area of silicon vapors
were present.
Please always be kept clean of the sensor opening and
the water barriers of the intrument.
The oxygen readings will be caused temporary
fluctuations while the atmospheric preesure is suddenly
changed.
Please do not charge the battery or serving the unit in
hazardous or enriched atmospheres condition.
The intrument only suggested to be used by operated
and serviced by qualified personnel whom has fully read
and understood the instruction manual completely.
Caution: high offscale readings indicate the
enviroment might be reached to explosive concentration
that is also a danger signal to represent the area is
hazardous.
一、NOTICE BEFORE USE
Other Items
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The instrument is recommended to be calibrated the
sensitivity with a 25%, 50% of full concentration pentane
or methane. Please referring to the zero /calibration
section of this instruction manual.
This insrument is certified to be normal use within the
temperature range of -20 deg. C to 40 deg. C only.
The model of AS8900 must be used only with model
AS8930 external sampling pump. (Excluded)