Hanna-instruments HI 8633 Manuale Utente

1Instruction ManualHI 8633HI 8733 - HI 8734Reliable and WaterproofMulti-RangeConductivity Meterswww.hannainst.com

10• Press and hold down Temp to display thetemperature.• Adjust the TEMPERATURE knob to display 20°C.• Release Temp key to display conductivity measur

11The instrument should be recalibrated at least once a month, orwhen the probe is changed.Note: For more accurate results, it is advisable to use a c

12• Follow LCD calibration indication. Adjust the calibration knobuntil the display shows “12.88 mS” i.e. the conductivity reading@ 25°C.• All subsequ

13The conductivity of an aqueous solution is the measure of its ability tocarry an electrical current by means of ionic motion.The conductivity invari

14The TDS value in aqueous solutions is directly proportional toconductivity. The ratio between the two parameters depends on thesolution and usually

15Highly acidic, alkaline samples or solutions with high salt contentmight have a different coefficient than the customary 2% per degree °C.In order t

16When battery becomes weak the meter will display the battery symbolas empty.When the low battery indicator appears, the battery has only a fewhours

17Rinse the probe with tapwater after every series ofmeasurements. If a morethorough cleaning is required,remove the PVC sleeve andclean the probe wit

18CALIBRATION SOLUTIONSHI 7030L 12880 µS/cm, 500 mL bottleHI 7030M 12880 µS/cm, 230 mL bottleHI 7031L 1413 µS/cm, 500 mL bottleHI 7031M 1413 µS/cm, 23

19Hanna Instruments reserves the right to modify the design, construction andappearance of its products without advance notice.RECOMMENDATIONS FOR USE

2WARRANTY ... 2PRELIMINARY EXAMINATION ...

20Printed in EUROPE(ROMANIA)MAN8734Y 07/10Hanna Instruments Inc.Highland Industrial Park584 Park East DriveWoonsocket, RI 02895 USATechnical Support

3HI 8633 and HI 8733 have been designed specifically for use in the areasof production and quality control. It is often necessary to test samples wi

41) Liquid Crystal Display2) Measurement range selection keys3) EC calibration knob4) Manual temperature compensation knob5) Temperature selection key

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61) Liquid Crystal Display2) Measurement range selection keys3) TDS calibration knob4) Manual temperature compensation knob5) Temperature selection ke

7• Each meter is supplied complete with a 9V battery. Remove thebattery compartment cover on the back of the meter (seepage 16). Install the battery w

8Note: If the display shows only a “1” on thefar left hand side, the meter is out ofrange. Select the next (higher) range.• Wait for a couple of minut

9Accessories needed:• Use any calibration solution within the meter’s range. Thesolution should ideally be close to the samples beingmeasured. Use for