Hanna-instruments HI 96104 User Manual

1Instruction ManualHI 96104CpH, Chlorine and Cyanuric AcidISMwww.hannainst.com

10Under Range: A blinking “0.00” indicates that the sampleabsorbs less light than the zero reference. Check the procedureand make sure you use the sam

11GENERAL TIPS FOR AN ACCURATE MEASUREMENTCooling lamp: The instrument waits for the lamp to cool down.Battery low: The battery must be replaced soon.

12• It is important that the sample does not contain any debris. Thiswould corrupt the reading.• Each time the cuvette is used, the cap must be tighte

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

14• When the beeper sounds briefly and theLCD displays dashes, the meter is ready.The blinking “ZERO” indicates that theinstrument needs to be zeroed

15• The instrument directly displays themeasured pH value on the Liquid CrystalDisplay.FREE CHLORINE MEASUREMENT• Fill the cuvette up to the mark with

16INTERFERENCESInterference may be caused by:BromineIodineChlorine DioxideOzoneOxidized manganese and ChromiumIn case of water with hardness greater t

17• After a few seconds, the display willshow “-0.0-”. The meter is now zeroedand ready for measurement.• Remove the cuvette and add one packetof HI 9

18CYANURIC ACID MEASUREMENT• Fill the cuvette with 10 mL of unreactedsample, up to the mark, and replace thecap.• Place the cuvette into the cuvette h

19• Alternatively, wait for 45 seconds thenjust press READ/ /TIMER. In bothcases, the lamp, cuvette and detectoricons will appear on the display,depen

2TABLE OF CONTENTSPRELIMINARY EXAMINATION ... 3GENERAL DE

20• Place the corresponding CAL CHECKTMStandard Cuvette B into the cuvette holderand ensure that the notch on the cap ispositioned securely into the g

21CALIBRATION PROCEDURENote: It is possible to interrupt calibration procedure at any time by pressing CAL CHECK orON/OFF keys.Warning: Do not calibra

22DATE INPUTor• Place the corresponding CAL CHECKTM StandardCuvette B into the cuvette holder and ensurethat the notch on the cap is positioned secure

23• Press RANGE/GLP/ to edit the desiredmonth (01-12). If the key is kept pressed,the month number is automaticallyincreased.• When the correct month

24To display the calibration date:• Press and hold for three secondsRANGE/GLP/ to enter GLP mode. Forthe selected range the calibration monthand day

25To replace the instrument’s battery, follow the steps:• Turn the instrument off by pressing ON/OFF.• Turn the instrument upside down and remove the

26ACCESORIESREAGENT SETHI 93701-01 Reagents for 100 free chlorine testsHI 93701-03 Reagents for 300 free chlorine testsHI 93710-01 Reagents for 100 pH

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

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

3PRELIMINARY EXAMINATIONPlease examine this product carefully. Make sure that the instrument is not damaged. If anydamage occurred during shipment, pl

4GENERAL DESCRIPTIONABBREVIATIONSThe HI 96104 is an auto diagnostic portable microprocessor meter that benefits from Hanna’syears of experience as a m

5SPECIFICATIONSRange pH 6.5 to 8.5 pHFree Chlorine 0.00 to 5.00 mg/LTotal Chlorine 0.00 to 5.00 mg/LCyanuric Acid 0 to 80 mg/LResolution 0.1 pH0.01 mg

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

7I = intensity of light beam after absorptionελ= molar extinction coefficient at wavelength λc = molar concentration of the substanced = optical path

8KEYPAD DESCRIPTION• ON/OFF: to turn the meter on and off.• ZERO/CFM: this is bi-functional key. Just press to zero the meter prior to measurement, or

9ERRORS AND WARNINGSThe instrument shows clear messages when erroneous condition appears. Messages are also displayedwhen the obtained values are outs