Hanna-instruments HI 96725 User Manual

1www.hannainst.comInstruction ManualHI 96725CChlorine, Cyanuric Acid & pH ISM

18 19The reading should be within specifications as reported in the CAL CHECKTM StandardCertificate. If the value is found out of the specifications,

20 21• Remove the cuvette.• Place the specific CAL CHECKTM StandardCuvette B into the cuvette holder, for:Free Chlorine: B, HI 96701-11Total Chlorine:

22 23To display the calibration date:• Press and hold for three secondsRANGE/GLP/ to enter GLP mode. Thecalibration month and day will appear onthe m

24 25ACCESORIESREAGENT SETHI 93701-01 Reagents for 100 Free Chlorine testsHI 93701-03 Reagents for 300 Free Chlorine testsHI 93710-01 Reagents for 100

26 27Recommendations for UsersBefore using these products, make sure that they are entirely suitable for your specific application and for the environ

28Printed in EUROPE(ROMANIA)Hanna Instruments Inc.Highland Industrial Park584 Park East DriveWoonsocket, RI 02895 USATechnical Support for CustomersTe

2 3TABLE OF CONTENTSPRELIMINARY EXAMINATION ... 4GENERAL

4 5GENERAL DESCRIPTIONABBREVIATIONSThe HI 96725 is an auto diagnostic portable microprocessor meter that benefits from Hanna’syears of experience as a

6 7PRINCIPLE OF OPERATIONAbsorption of Light is a typical phenomenon of interaction between electromagnetic radiation andmatter. When a light beam cro

8 91) RANGE/GLP/ key2) CAL CHECK key3) ZERO/CFM key4) READ/ /TIMER key5) ON/OFF key6) Liquid Crystal Display (LCD)7) Cuvette alignment indicator8) Cu

10 11ERRORS AND WARNINGSThe instrument shows clear messages when erroneous condition appears. Messages are also displayedwhen the obtained values are

12 13The instructions listed below should be carefully followed during testing to ensure best accuracy.• Color or suspended matter in large amounts ma

14 15• Press RANGE/GLP/ to change the range.The range can be changed any time when theinstrument is in measurement mode.The selected range is memoriz

16 17• After a few seconds, the display willshow “-0.0-”. The meter is now zeroedand ready for measurement.• Remove the cuvette.• Add the specific tes