Hanna-instruments HI 9811-5 User Manual

1www.hannainst.comInstruction ManualHI 9811-5PortablepH/EC/TDS/°C Meters

10For temperature compensation during calibration, please refer to thefollowing chart.For instance, if the buffer temperature is 25°C, the display sho

11The TDS value in aqueous solutions is directly proportional to theconductivity. The ratio between the two parameters depends on thesolution.HI 9811-

12The meters is powered by a 9V battery that is located on the rear ofthe instrument.When battery symbol is empty a low battery condition is indicated

13PERIODIC MAINTENANCEInspect the probe and the cable. The cable used for the connection tothe meter must be intact and there must be no points of bro

14PROBESHI 1285-0 Combination, amplified pH/EC/TDS probe with built-intemperature sensor, 8-pin DIN connector and 1 m(3.3') cableHI 1285-5 Combin

15RECOMMENDATIONS FOR USERSBefore using these products, make sure they are entirely suitable forthe environment in which they are used.Operation of th

16Printed in EUROPE(ROMANIA)MAN9811 09/10Hanna Instruments Inc.Highland Industrial Park584 Park East DriveWoonsocket, RI 02895 USATechnical Support f

2Dear Customer,Thank you for choosing a Hanna product.Please read this instruction manual carefully before using the meter.This manual will provide yo

3All rights are reserved. Reproduction in whole or in part is prohibited without the writtenconsent of the copyright owner.PRELIMINARY EXAMINATIONPREL

41) 8-pin DIN connector for probe2) Liquid Crystal Display3) pH range selection key4) µS/cm (EC) range selection key5) mg/L (TDS) selection key6) pH o

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6INITIAL PREPARATIONEach meter is supplied complete with a 9V battery. Remove thebattery compartment cover on the back of the meter and install thebat

7• Select the appropriate measurement range (EC or TDS).• Wait a couple of minutes for the temperature sensor to reachthermal equilibrium. The display

8For greatest accuracy, frequent calibration of the instrument isrecommended. The instrument should be recalibrated for pH:a) Whenever the electrode i

9Notes: • The probe should be submerged approximately 4 cm(1½") into the solution. The thermometer has to be close tothe probe.• If turning the k