Hanna-instruments HI 96701C Manual de usuario

1www.hannainst.comInstruction ManualHI 96701CFree Chlorine ISM

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

11The instructions listed below should be carefully followed during testing to ensure best accuracy.• Color or suspended matter in large amounts may c

12MEASUREMENT PROCEDURE• Whenever the cuvette is placed into the measurement cell, itmust be dry outside, and completely free of fingerprints, oilor d

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

14• Remove the cuvette.• Add the content of one packet ofHI 93701-0 Free Chlorine reagent.Replace the cap and shake gently for20 seconds (or 2 minutes

15VALIDATION PROCEDUREOxidized Manganese and Chromium (positive error)Chlorine dioxide (positive error)Alkalinity above 250 mg/L CaCO3 or acidity abov

16• After a few seconds, the display willshow “-0.0-”. The meter is now zeroedand ready for validation.• Remove the cuvette.• Place the CAL CHECKTM St

17CALIBRATION PROCEDURENote: It is possible to interrupt calibration procedure at any time by pressing CAL CHECK orON/OFF keys.Warning: Do not calibra

18• After a few seconds the display will show“-0.0-”. The meter is now zeroed andready for calibration. The blinking“READ” asks for reading calibratio

19• Press GLP/ to edit the desired year(2009-2099). If the key is kept pressed,the year number is automaticallyincreased.• When the correct year has

2TABLE OF CONTENTSPRELIMINARY EXAMINATION ... 3GENERAL DE

20In the GLP mode, the last user calibration date can be verified and the factory calibration can berestored.To display the calibration date:• Press G

21• Press READ/ /TIMER to enter in thefactory calibration restore screen. Theinstrument asks for confirmation of usercalibration delete.• Press ZERO/C

22To replace the instrument’s battery, follow the steps:• Turn the instrument off by pressing ON/OFF.• Turn the instrument upside down and remove the

23Recommendations for UsersBefore using these products, make sure that they are entirely suitable for your specific application and for the environmen

24Printed 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 96701 is an auto diagnostic portable microprocessor meter that benefits from Hanna’syears of experience as a m

5SPECIFICATIONSPRECISION AND ACCURACYRange 0.00 to 5.00 mg/LResolution 0.01 mg/L from 0.00 to 3.50 mg/L; 0.10 mg/L above 3.50 mg/LAccuracy ±0.03 mg/L

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

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

810852973461KEYPAD DESCRIPTION• ON/OFF: to turn the meter on and off.• ZERO/CFM: this is a bi-functional key. Just press to zero the meter prior to me

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