Hanna-instruments HI 96708 Manual do Utilizador

1Instruction ManualHI 96708Nitrite High Range ISMwww.hannainst.com

10Under range: A blinking “0” indicates that the sample absorbsless light than the zero reference. Check the procedure and makesure you use the same c

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

12• Whenever the cuvette is placed into the measurement cell, itmust be dry outside, and completely free of fingerprints, oilor dirt. Wipe it thorough

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 93708-0 reagent. Replace the capand shake gently.• Replace the cuvette into the cuvette ho

15VALIDATION PROCEDUREUse the validation procedure to ensure that the instrument is properly calibrated.Warning: Do not validate the instrument with a

16• Remove the cuvette.• Place the CAL CHECKTM StandardHI 96708-11 Cuvette B into the cuvetteholder and ensure that the notch on thecap is positioned

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 willshow “-0.0-”. The meter is now zeroedand ready for calibration. The blinking“READ” asks for reading calibratio

19• Press GLP/ to edit the desired year(2000-2099). If the key is kept pressed,the year number is automaticallyincreased.• When the correct year has

2TABLE OF CONTENTSPRELIMINARY EXAMINATION ... 3GENERAL DESC

20To display the calibration date:• Press GLP/ to enter GLP mode. Thecalibration month and day will appear onthe main display and the year on theseco

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

22• Turn the instrument off by pressing ON/OFF.• Turn the instrument upside down and remove the battery cover by turning it counterclockwise.• Extract

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 96708 is an auto diagnostic portable microprocessor meter that benefits from Hanna’syears of experience as a m

5SPECIFICATIONSPRECISION AND ACCURACYRange 0 to 150 mg/LResolution 1 mg/LAccuracy ±4 mg/L ±4% of reading @ 25°CTypical EMC Deviation ±1 mg/LLight Sour

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 h

810852973461KEYPAD DESCRIPTION• ON/OFF: to turn the meter on and off.• ZERO/CFM: to zero the meter prior to measurement, to confirm edited values or t

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