Hanna Instruments HI 96769C Скачать руководство пользователя страница 20 | Manualshive

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Hanna Instruments HI 96769C Скачать руководство пользователя страница 20

20

• Press

ZERO/CFM

and the lamp, cuvette and detector icons will appear on the display, depending

on the measurement phase.

• After a few seconds, the display will show

“-0.0-”

. The meter is now zeroed and ready for

measurement.

• Remove the cuvette.
• Place the reacted sample (cuvette

#2

) into the cuvette holder and ensure that the notch on

the cap is positioned securely into the groove.

• Press

READ /TIMER

.

The lamp, cuvette and detector icons will appear on the display,

depending on the measurement phase.

MEASUREMENT PROCEDURE

#2

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Содержание HI 96769C

Страница 1: ...INSTRUCTION MANUAL HI96769C Anionic Surfactants ISM...

Страница 2: ...the instrument as well as a precise idea of its versatility If you need additional technical information do not hesitate to e mail us at tech hannainst com or view our worldwide contact list at www ha...

Страница 3: ...PRINCIPLE OF OPERATION FUNCTIONAL DESCRIPTION ERRORS AND WARNINGS GENERAL TIPS FOR AN ACCURATE MEASUREMENT STARTUP MEASUREMENT PROCEDURE VALIDATION PROCEDURE CALIBRATION PROCEDURE GLP BATTERY MANAGEM...

Страница 4: ...e with Sample Cuvettes and Caps 2 pcs CAL Check Standard Cuvettes One long glass vial 25 mL with cap Three plastic pipettes 9V Battery Cloth for wiping cuvettes Instrument Quality Certificate Instruct...

Страница 5: ...s The meter has an 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 posit...

Страница 6: ...Wastewater 20th edition 5540C Anionic Sur factants as MBAS Environment 0 to 50 C 32 to 122 F max 95 RH non condensing Battery Type 9V 1 pc Auto Shut off After 10 of non use in measurement mode after 1...

Страница 7: ...Absorption of Light is a typical phenomenon of interaction between electromagnetic radiation and matter When a light beam crosses a substance some of the radiation may be absorbed by atoms molecules o...

Страница 8: ...ions Whenever possible use the same cuvette for both It is necessary that the surface of the cuvette is clean and not scratched This to avoid measurement interference due to unwanted reflection and ab...

Страница 9: ...grammed countdown prior to measurement In GLP mode press to view the next screen CAL CHECK this is a bi functional key Just press to perform the validation of the meter or press and hold for three sec...

Страница 10: ...ings 3 The battery icon shows the charge state of the battery 4 The hourglass appears when an internal check is in progress 5 Status messages 6 The chronometer appears when the reaction timer is runni...

Страница 11: ...urement Please check the preparation of the zero cuvette No Light The instrument cannot adjust the light level Please check that the sample does not contain any debris Inverted Cuvettes The sample and...

Страница 12: ...standard reading is higher than expected Cap Error Appears when external light enters in the analysis cell Assure that the cuvette cap is present Cooling Lamp The instrument waits for the lamp to coo...

Страница 13: ...veral times and wipe the outside of the dropper with a cloth b always keep the dropper bottle in a vertical position while dosing the reagent Color or suspended matter in large amounts may cause inter...

Страница 14: ...ing or by gently tapping the cuvette 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 recommende...

Страница 15: ...ent needs to be zeroed first Fill the graduated glass vial with 25 mL of sample For most accurate results use of a class A laboratory pipette is strongly recommended Alternatively it is possible to us...

Страница 16: ...ld READ TIMER for three seconds and the display will show the countdown The beeper is playing a beep at the end of countdown period Close the glass vial with its cap and invert to mix The solution wil...

Страница 17: ...yer will fade slightly if anionic surfactants are present while the chloroform layer will turn blue Remove the cap Using the long plastic pipette remove the upper aqueous layer and discard Do not remo...

Страница 18: ...ep at the end of countdown period Alternatively wait for 2 minutes leaving the vial capped and undisturbed During this period the chloroform layer separates from the aqueous layer Remove the cap Inser...

Страница 19: ...easurement cuvette thus up to 0 5 cm 1 4 below the 10 mL mark If the transferred volume is lower than 7 mL the accuracy of the test may be affected Please repeat the test waiting for longer than 2 min...

Страница 20: ...ll show 0 0 The meter is now zeroed and ready for measurement Remove the cuvette Place the reacted sample cuvette 2 into the cuvette holder and ensure that the notch on the cap is positioned securely...

Страница 21: ...mg L SDBS x MWDX 348 48 DX mg L INTERFERENCES Cationic surfactants negative interference Absorption particulate matter negative interference Sulfide negative interference Organic sulfates sulfonates...

Страница 22: ...0 0 The meter is now zeroed and ready for validation Use the validation procedure to ensure that the instrument is properly calibrated Warning Donotvalidatetheinstrumentwithanystandardsolutionsotherth...

Страница 23: ...of specifications then recalibrate the instrument Remove the cuvette Place the CAL CheckTM Standard HI96769 11 Cuvette B into the cuvette holder and ensure that the notch on the cap is positioned secu...

Страница 24: ...at room temperature 18 to 25 C 64 5 to 77 0 F Turn the meter on by pressing ON OFF When the beeper sounds briefly and the LCD displays dashes the meter is ready Press and hold CAL CHECK for three seco...

Страница 25: ...d ready for calibration The blinking READ asks for reading calibration standard Remove the cuvette CALIBRATION PROCEDURE Place the CAL CheckTM Standard HI96769 11 Cuvette B into the cuvette holder and...

Страница 26: ...r dirt and that they are inserted correctly Then the date of the last calibration e g 01 08 2005 appears on the display or 01 01 2005 if the factory calibration was selected before In both cases the y...

Страница 27: ...or for one second and the calibration is saved Press GLP to edit the desired day 01 31 If the key is kept pressed the day number is automatically increased Note It is possible to change the editing fr...

Страница 28: ...ation 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 fac...

Страница 29: ...s 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 a...

Страница 30: ...battery follow the steps BATTERY REPLACEMENT Reagent Set HI95769 01 Reagents for 40 Anionic Surfactants tests Other Accessories HI96769 11 CAL CheckTM Standard Cuvettes 1 set HI742009P 9V battery 10...

Страница 31: ...ding to 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 requi...

Страница 32: ...a Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com Local Office Hanna Instruments USA 270 George Washington Highway Smithfield RI 02917 Phone 800...

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