Turning It Off; Sampling Precautions - Decagon Devices pawkit Operator's Manual

Portable water activity measurement system

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Pawkit User Manual

4. Operation

you can either restart the measurement by pressing but-

ton I again, or you can record the shown value and end

the measurement procedure.

6. Remove the sample cup by lifting the Pawkit. Lift the

Pawkit straight up as shown to avoid spilling the sample

cup. The sample may now be discarded or covered with

a lid if it is to be re-measured at a later time.

Turning it off

To turn off the Pawkit, leave it idle for more than 5 minutes,

and it will shut off automatically. If the Pawkit has automati-

cally shut itself off, pressing button (I) will wake up the

instrument and display the last water activity measurement.

Long exposure to a variety of volatile substances or to sam-

ples with water activities near 1.00 can shift the sensor cali-

bration. Therefore, always remove samples as soon as the

Pawkit is finished sampling (beeps) to avoid damage to the

sensor. If a sample is accidentally left in the chamber for an

extended period of time, be sure to check the calibration

when the instrument is next used.

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