Hanna Instruments HI 96729C Скачать руководство пользователя страница 20 | Manualshive

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In the GLP mode, the last user calibration date can be consulted and the factory calibration can
be restored.

To display the calibration date:
• Press GLP/

to enter

GLP mode

. The

calibration month and day will appear on
the main display and the year on the
secondary display.

LAST CALIBRATION DATE

• If no calibration was performed, the

factory calibration message,

“F.CAL”

will

appear on the main display and the
instrument returns to

measurement mode

after three seconds.

FACTORY CALIBRATION RESTORE

It is possible to delete the calibration and
restore factory calibration.
• Press GLP/

to enter

GLP mode

.

GLP

• The instrument will return automatically

to the measurement mode by displaying
dashes on the LCD.

• The instrument displays

“Stor”

for one

second and the calibration is saved.

www.

.com

[email protected]

1.800.561.8187

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Содержание HI 96729C

Страница 1: ...1 w w w h a n n a i n s t c o m This Instrument is in Compliance with the CE Directives Instruction Manual HI 96729C Fluoride Low Range ISM www com information itm co 800 561 8187 ...

Страница 2: ...SSORIES 22 WARRANTY 23 Dear Customer Thank you for choosing a Hanna product This manual will provide you with the necessary information for the correct use of the instrument Please read it carefully before using the meter If you need additional technical information do not hesitate to e mail us at tech hannainst com This instrument is in compliance with directives All rights are reserved Reproduct...

Страница 3: ...ete with Two Sample Cuvets and Caps One 2000 μL automatic pipette with Instruction Sheet One plastic tip for 2000 μL automatic pipette 9V Battery Tissue for wiping cuvets Instrument quality certificate Instruction Manual Rigid carrying case Note Save all packing material until you are sure that the instrument works correctly Any defective item must be returned in its original packing www com infor...

Страница 4: ...n auto shut off feature that will turn off the instrument after 10 minutes of non use in measurement mode or after 1 hour if left in calibration mode The meter uses an exclusive positive locking system to ensure that the cuvet is in the same position every time it is placed into the measurement cell It is designed to fit a cuvet with a larger neck making it easier to add both sample and reagents T...

Страница 5: ...f non use in measurement mode after 1 hour of non use in calibration mode with last reading reminder Dimensions 192 x 102 x 67 mm 7 6 x 4 x 2 6 Weight 290 g 10 oz REQUIRED REAGENTS Code Description Quantity test HI 93729 0 Fluoride Reagent 4mL 2mL 2 Precision is how closely repeated measurements agree with each other Precision is usually expressed as standard deviation SD Accuracy is defined as th...

Страница 6: ...λ c molar concentration of the substance d optical path through the substance Therefore the concentration c can be calculated from the absorbance of the substance as the other factors are known Photometric chemical analysis is based on the possibility to develop an absorbing compound from a specific chemical reaction between sample and reagents Given that the absorption of a compound strictly depe...

Страница 7: ... the desired measuring unit and to display it on the LCD The measurement process is carried out in two phases first the meter is zeroed and then the actual measurement is performed The cuvet has a very important role because it is an optical element and thus requires particular attention It is important that both the measurement and the calibration zeroing cuvets are optically identical to provide...

Страница 8: ... Measurement mode default operation mode enables both validation and measurement Calibration mode may be entered by keeping CAL CHECK pressed for three seconds the CAL tag appears it enables calibration of the instrument GLP mode may be entered by pressing GLP GLP appears it enables consulting of user calibration date or restore factory calibration DISPLAY ELEMENTS DESCRIPTION 1 The measuring sche...

Страница 9: ...ease check the preparation of the zero cuvet Light Low There is not enough light to perform a measurement Please check the preparation of the zero cuvet No Light The instrument cannot adjust the light level Please check that the samples does not contain any debris Inverted cuvets The sample and the zero cuvet are inverted Zero A zero reading was not taken Follow the instructions of the measurement...

Страница 10: ...ion The concentration of the sample is beyond the programmed range dilute the sample and re run the test c during calibration procedure Standard Low The standard reading is less than expected Standard High The standard reading is higher than expected Cap error Appears when external light enters in the analysis cell Assure that the cuvet cap is present Cooling lamp The instrument waits for the lamp...

Страница 11: ...he Hanna automatic pipette please follow the related Instruction Sheet Color or suspended matter in large amounts may cause interference therefore these should be removed by treatment with active carbon and by prior filtration It is important that the sample does not contain any debris This would corrupt the reading Each time the cuvet is used the cap must be tightened to the same degree GENERAL T...

Страница 12: ...the cuvet can generate bubbles in the sample causing higher readings To obtain accurate measurements remove such bubbles by swirling or by gently tapping the cuvet Do not let the reacted sample stand too long after reagent is added or accuracy will be lost It is possible to take multiple readings in a row but it is recommended to take a new zero reading for each sample and to use the same cuvet fo...

Страница 13: ...use of the automatic pipette please follow the related Instruction Sheet Replace the cap to the cuvet and shake gently a couple of times Place the cuvet with the reacted deionized water blank into the cuvet holder and ensure that the notch on the cap is positioned securely into the groove MEASUREMENT PROCEDURE To compensate the meter for the sample turbidity or color the measurement takes place in...

Страница 14: ...e blank from the instrument Remove the cap from the cuvet and discard the blank Rinse the cuvet a couple of times with the unreacted sample and discard it Turn upside down the empty cuvet and shake it to remove excess of liquid Fill the same cuvet with 10 mL of unreacted sample For most accurate results use of another clean class A laboratory pipette is strongly recommended Alternatively fill the ...

Страница 15: ...on the display depending on the measurement phase At the end of measurement the instrument directly displays concentration in mg L ppm of fluoride on the LCD reacted sample INTERFERENCES Chlorine interferes at all levels to eliminate Cl2 interference add to the 10mL ureacted sample 1 drop of the optional HI 93703 53 Chlorine Remover for each 2 mg L of chlorine Negative interferences may be caused ...

Страница 16: ...mp cuvet and detector icons will appear on the display depending on the measurement phase Place the CAL CHECKTM Standard HI 95729 11 Cuvet A into the cuvet holder and ensure that the notch on the cap is positioned securely into the groove When the beeper sounds briefly and the LCD displays dashes the meter is ready After a few seconds the display will show 0 0 The meter is now zeroed and ready for...

Страница 17: ...calibrate the instrument CALIBRATION PROCEDURE Note It is possible to interrupt calibration procedure at any time by pressing CAL CHECK or ON OFF keys Warning Do not calibrate the instrument with standard solutions other than the HANNA CAL CHECKTM Standards otherwise erroneous results will be obtained For accurate validation please perform test at room temperature 18 to 25 C 64 5 to 77 0 F Turn th...

Страница 18: ...surement the instrument will show for three seconds the Cal Check Standard value Note If the display shows STD HIGH the standard value was too high If the display shows STD LOW the standard value was too low Verify that both CAL CHECKTM Standards HI 95729 11 Cuvets A and B are free from fingerprints or dirt and that they are inserted correctly Place the CAL CHECKTM Standard HI 95729 11 Cuvet A int...

Страница 19: ...to confirm Now the display will show the month blinking Press GLP to edit the desired month 01 12 If the key is kept pressed the month number is automatically increased When the correct month has been set press ZERO CFM or READ TIMER to confirm Now the display will show the day blinking Press ZERO CFM to save the calibration date DATE INPUT or or Then the date of the last calibration e g 01 08 200...

Страница 20: ...libration was performed the factory calibration message F CAL will appear on the main display and the instrument returns to measurement mode after three seconds FACTORY CALIBRATION RESTORE It is possible to delete the calibration and restore factory calibration Press GLP to enter GLP mode GLP The instrument will return automatically to the measurement mode by displaying dashes on the LCD The instr...

Страница 21: ...before auto shut off the value is displayed when the instrument is switched on The blinking ZERO means that a new zero has to be performed One fresh battery lasts for around 750 measurements depending on the light level The remaining battery capacity is evaluated at the instrument startup and after each measurement The instrument displays a battery indicator with three levels as follows 3 lines fo...

Страница 22: ...y follow the steps ACCESORIES REAGENT SET HI93729 01 Reagentsfor100tests HI93729 03 Reagentsfor300tests OTHER ACCESORIES HI93703 53 Chlorineremover HI95729 11 CAL CHECKTM Standard Cuvets 1 set HI 721310 9V battery 10 pcs HI 731318 Tissue for wiping cuvets 4 pcs HI 731331 Glass cuvets 4 pcs HI 731335 Caps for cuvets HI93703 50 Cuvets cleaning solution 230 mL HI 731342 2000 μL automatic pipette HI 7...

Страница 23: ...o the instructions This warranty is limited to repair or replacement free of charge Damages due to accident misuse tampering or lack of prescribed maintenance are not covered If service is required contact your dealer If under warranty report the model number date of purchase serial number and the nature of the failure If the repair is not covered by the warranty you will be notified of the charge...

Страница 24: ...2 4 www com information itm co 800 561 8187 ...

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