Kalmor Kagurobo Polfa, Manual

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10
5 Before Using
５－１ Caution on Measurement
1 Substances that aff ect the measured values
2 Substances that contaminate the sensor
3
Substances that change sensor characteristics by long-
time exposure
Some items to be noted before measurement are described when using the odor sensor
POLFA.Please be sure to check before using this product since some measurement
methods may contaminate the sensor of the product.
The odor that contains the following substances cannot be measured correctly.
Oxidizing substances (Chlorine, Ozone, Freon, NOx, SOx etc.),
Low oxygen concentration environment
The following substances temporarily contaminate the sensor. After
measurement, frequent sensor cleaning (idling operation under clean air) can
prevent deterioration of the sensor.After measuring the odor including follows,
please turn off the power after idling until the measured value becomes below a
certain level.
Cigarette smoke, high concentration odor
Please do not use the product under following environment as these substances
will change the sensor characteristics by measuring for several hours
continuously.
Organic solvent more than 1ppm, perfume, 100ppm ozone
gas
４ Substances that signifi cantly contaminate the sensor
Please do not use the product under following environment as these substances
will change the sensor characteristics by measuring for several hours
continuously.
Hydrogen chloride, acetone, sulfur dioxide, tar, silicon,
chlorine, freon, sulfuric acid mist, hydrochloric acid mist, oil
mist