Hanna-instruments HI 96704 Manual de usuario Pagina 1

1Instruction ManualHI 96704CHydrazine 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

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 blank.• Insert the cuvette with the reacted sampleinto the cuvette holder and ensure thatthe notch on the cap is positioned securelyin

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

16• Press CAL CHECK and the lamp, cuvette anddetector icons together with “CAL CHECK”will appear on the display, depending on themeasurement phase.• A

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 and readyfor calibration. The blinking “READ” asks forreading calibratio

19• Press GLP/ to edit the desired month(01-12). If the key is kept pressed, themonth number is automatically increased.• Press GLP/ to edit the des

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 ZERO/CFM to restore the factorycalibration or press GLP/ again toabort factory calibration restore.• Press READ/ /TIMER to enter in thefact

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 96704 is an auto diagnostic portable microprocessor meter that benefits from Hanna’syears of experience as a m

5SPECIFICATIONSPRECISION AND ACCURACYRange 0 to 400 µg/LResolution 1 µg/LAccuracy ±3% of full scaleTypical EMC Deviation ±2 µg/LLight Source Light Emi

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: 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