Hanna-instruments HI 95725C Manuel d'utilisateur

1www.hannainst.comThis Instrument is inCompliance with the CE DirectivesInstruction ManualHI 95725CFree & Total ChlorineCyanuric Acid / pH ISM

18 19• Press ZERO/SET and “SIP” will blink onthe display.• After a few seconds the display will show“-0.0-”. Now the meter is zeroed andready for meas

20 21• Remove the cuvet and place the CALCHECK™ Standard HI 95725-11 Cuvet Binto the holder. Ensure that the notch onthe cap is positioned securely in

22 23FACTORY CALIBRATION RESETIt is possible to restore factory calibration:DATE INPUT• Keep READ pressed to scroll to the desiredmonth number (01-12)

24 25HI 95725 is warranted for two years against defects in workmanship and materials when usedfor its intended purpose and maintained according to th

26 27Hanna publishes a wide range of catalogs and handbooks for an equally wide range ofapplications. The reference literature currently covers areas

28MAN95725CR1 04/05www.hannainst.com

2 3PRELIMINARY EXAMINATION ...3GENERAL DESCRIPTION ...

4 5The HI 95725 is an auto diagnostic portable microprocessor meter that benefits from Hanna’syears of experience as a manufacturer of analytical inst

6 7Absorption of Light is a typical phenomenon of interaction between electromagnetic radiation andmatter. When a light beam crosses a substance, some

8 9KEYPAD DESCRIPTION• ON/OFF: to turn the meter on and off.• ZERO: press to zero the meter prior to measurement.• READ: press for making a measuremen

10 11The instructions listed below should be carefully followedduring testing to ensure best accuracy.• For a correct filling of the cuvet: the liquid

12 13MEASUREMENTMEASUREMENTMEASUREMENTMEASUREMENTMEASUREMENTSPECIFICATIONSSPECIFICATIONSSPECIFICATIONSSPECIFICATIONSSPECIFICATIONSRange 0.00 to 5.00 m

14 15INTERFERENCES• Positive error: - Bromine- Chlorine dioxide- Iodine- Ozone- Oxidized Manganese and Chromium• Alkalinity above 250 mg/L CaCO3 or ac

16 17• Add the content of one packet ofHI 93722-0 reagent. Replace the cap andshake gently for about 10 seconds(dissolution is not complete). A milkyt