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INSTRUCTION MANUAL

HI96720C

Calcium Hardness ISM

Summary of Contents for HI96720C

Page 1: ...INSTRUCTION MANUAL HI96720C Calcium Hardness ISM...

Page 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...

Page 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...

Page 4: ...ctive Meter is supplied complete with Sample Cuvettes and Caps 2 pcs CAL Check standard cuvettes 9V Battery Cloth for wiping cuvettes Instrument quality certificate Instruction Manual Rigid carrying c...

Page 5: ...d applications Display messages aid the user in routine operation 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 ho...

Page 6: ...n calmagite method The reaction between Ca and reagents causes a red tint in the sample 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 us...

Page 7: ...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 or crystal lattices If pure absorp...

Page 8: ...r I The photoelectric cell collects the radiation I that is not absorbed by the sample and converts it into an electric current producing a potential in the mV range The microprocessor uses this poten...

Page 9: ...t enables consulting of user calibration date or restore factory calibration KEYPAD DESCRIPTION ON OFF to turn the meter on and off ZERO CFM to zero the meter prior to measurement to confirm edited va...

Page 10: ...gs 3 The battery icon shows the charging level of the battery 4 The hourglass appears when an internal checking is in progress 5 Status messages 6 The chronometer appears when the reaction timer is ru...

Page 11: ...he light level Please check that the sample does not contain any debris Inverted cuvettes The sample and the zero cuvette are inverted Zero A zero reading was not taken Follow the instructions of the...

Page 12: ...nings Battery low The battery must be replaced soon Dead battery This indicates that the battery is dead and must be replaced Once this indication is displayed the meter will lock up Change the batter...

Page 13: ...plunger completely into the syringe and insert the tip into the solution b pull the plunger up until the lower edge of the seal is exactly on the 0 0 mL mark c take out the syringe and clean the outs...

Page 14: ...should be increased for temperatures lower than 20 C 68 F and decreased for temperatures higher than 25 C 77 F In order to maximize accuracy prior to a measurement follow the validation procedure to...

Page 15: ...e reacted sample is measured MEASUREMENT PROCEDURE When the beeper sounds briefly and the LCD displays dashes the meter is ready The blinking ZERO indicates that the instrument needs to be zeroed firs...

Page 16: ...EGTA solution to one cuvette replace the cap and swirl the solution This is the blank Place the blank into the cuvette holder and ensure that the notch on the cap is positioned securely into the groo...

Page 17: ...isplay will show 0 0 The meter is now zeroed and ready for measurement Remove the blank and insert the second cuvette into the instrument and ensure that the notch on the cap is positioned securely in...

Page 18: ...ree water or the readings will be erroneus Fill a 1 mL syringe with the sample Place the syringe in a 50 mL beaker making sure that the beaker is clean and empty and inject 0 5 mL into the beaker Fill...

Page 19: ...l be obtained Turn the meter on by pressing ON OFF Press ZERO CFM and the lamp cuvette and detector icons will appear on the display depending on the measurement phase Place the CAL CheckTM Standard H...

Page 20: ...amp cuvette and detector icons together with CAL CHECK will appear on the display depending on the measurement phase At the end of the measurement the display will show the validation standard value T...

Page 21: ...The blinking ZERO asks for instrument zeroing Place the CAL CheckTM Standard HI96720 11 Cuvette A into the cuvette holder and ensure that the notch on the cap is positioned securely into the groove No...

Page 22: ...he meter is now zeroed and ready for calibration The blinking READ asks for reading calibration standard Remove the cuvette Place the CAL CheckTM Standard HI96720 11 Cuvette B into the cuvette holder...

Page 23: ...free from fingerprints or dirt and that they are inserted correctly Then the date of the last calibration e g 01 08 2008 appears on the display or 01 01 2008 if the factory calibration was selected b...

Page 24: ...y increased When the correct month has been set press ZERO CFM or READ to confirm Now the display will show the day blinking Press GLP to edit the desired day 01 31 If the key is kept pressed the day...

Page 25: ...25 The instrument will return automatically to measurement mode by displaying dashes on the LCD The instrument displays Stor for one second and the calibration is saved CALIBRATION PROCEDURE...

Page 26: ...P 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 calibratio...

Page 27: ...nstrument briefly notifies donE when restores factory calibration and returns to measurement mode Press ZERO CFM to restore the factory calibration or press GLP again to abort factory calibration rest...

Page 28: ...tery 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 i...

Page 29: ...e down and remove the battery cover by turning it counterclockwise Extract the battery from its location and replace it with a fresh one Insert back the battery cover and turn it clockwise to close To...

Page 30: ...er Accessories HI96720 11 CAL Check Standard Cuvettes 1 set HI740029P 9V battery 10 pcs HI731318 Cloth for wiping cuvettes 4 pcs HI731331 Glass cuvettes 4 pcs HI731335 Caps for cuvettes 4 pcs HI93703...

Page 31: ...turned to Hanna Instruments first obtain a Returned Goods Authorization Number from the Customer Service Department and then send it with shipment costs prepaid When shipping any instrument make sure...

Page 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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