Hach ISENO3181 User Manual Download Page 1 | Manualshive

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Hach ISENO3181 User Manual Download Page 1

DOC022.53.80031

ISENO3181

05/2021, Edition 5

User Manual

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Summary of Contents for ISENO3181

Page 1: ...DOC022 53 80031 ISENO3181 05 2021 Edition 5 User Manual ...

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Page 3: ...on 5 5 1 Calibration notes 5 5 2 Calibration procedure 6 Section 6 Sample measurement 7 6 1 Sample measurement notes 7 6 2 Sample measurement procedure 7 6 3 Low level measurements 8 6 4 Interferences 8 Section 7 Verify the calibration 9 7 1 Verification procedure 9 Section 8 Maintenance 10 8 1 Clean the probe 10 8 2 Storage 10 Section 9 Troubleshooting 10 9 1 Slope check 11 9 2 Standard additions...

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Page 5: ...ation probe with a non refillable reference junction and a built in temperature sensor Measurement range 0 1 mg L 7x10 6 M to 14 000 mg L 1 M NO3 N Accuracy 0 02 mV or 0 05 the larger value Sample pH range pH 2 to 11 pH 3 to 5 after the addition of Nitrate ISA Reference type Ag AgCl Reference junction Double junction ceramic porous pin and annular porous PTFE Slope 58 mV decade 90 to 110 at 25 C 7...

Page 6: ...d information D A N G E R Indicates a potentially or imminently hazardous situation which if not avoided will result in death or serious injury W A R N I N G Indicates a potentially or imminently hazardous situation which if not avoided could result in death or serious injury C A U T I O N Indicates a potentially hazardous situation that may result in minor or moderate injury N O T I C E Indicates...

Page 7: ...cally open the date and time settings when the meter starts for the first time or after battery replacement 5 Connect the probe to the meter Section 5 Calibration The procedure that follows is applicable to meters that can connect to Intellical ISE probes Refer to the applicable meter documentation for meter operation and probe specific settings 5 1 Calibration notes Read the notes that follow bef...

Page 8: ...ion Put the standard solution on an electromagnetic stirrer Stir at a moderate rate 5 Rinse the probe with deionized water Dry the probe with a lint free cloth 6 Put the probe in the standard solution with the sensor fully submerged Do not put the probe on the bottom or sides of the beaker 7 Shake the probe from side to side to remove air bubbles 8 Stir for 30 to 60 seconds then read the nitrate c...

Page 9: ...The meter automatically saves the measurement data when the user manually reads each data point and when the meter is set to read at regular intervals The user must manually save each data point when the meter is set to read continuously Air bubbles below the sensor can cause a slow response or error in the measurement Make sure to remove air bubbles before and during measurements 6 2 Sample measu...

Page 10: ...re some other ions that are known to interfere with the method The probe response to other ions usually increases the mV potential and causes a positive error The response to other ions can be semi quantitatively calculated through the Nikolsky equation an extended Nernst equation E Eº RT zF ln aNa KNax ax Where ax the activity of the interfering ion KNax the selectivity coefficient for the interf...

Page 11: ...splay shows the standard solution to use for verification Note Menu name for HQd meters Run check standard 2 Pour 25 mL of the standard solution into a 50 mL beaker 3 Add one Nitrate Ionic Strength Adjustor ISA Powder Pillow 4 Add a stir bar Put the beaker on an electromagnetic stirrer Stir at a moderate rate 5 Rinse the probe with deionized water Dry the probe with a lint free cloth 6 Put the pro...

Page 12: ...N standard solution 8 2 Storage Keep the sensor protection cap on the probe during storage to prevent damage to the sensing element Note Make sure to condition the probe after long term storage Refer to Preparation for use on page 5 1 Rinse the probe with deionized water Dry the probe with a lint free cloth 2 Make sure that the probe sensor is dry then install the sensor protection cap Refer to Pr...

Page 13: ...s contamination Use the specified standard solution of good quality Too much time passed after the ISA was added Measure the sample or standard solutions immediately after the ISA is added 9 1 Slope check Use the mV value of two standard solutions to make sure the probe gives the correct slope 1 Prepare two standard solutions that are ten times apart in concentration e g 10 mg L and 100 mg L NO3 N...

Page 14: ...f 100 5 is an indication that the sample measurements are accurate Percent recovery CM CE x 100 Where CM measured concentration of the sample after the addition of the standard solution CE expected theoretical concentration of the sample after the addition of the standard solution Section 10 Consumables Note Product and Article numbers may vary for some selling regions Contact the appropriate dist...

Page 15: ... mL polypropylene 1 108042 Probe stand for standard Intellical probes 1 8508850 10 1 Accessories Description Quantity Item no Beaker polypropylene 50 mL low form 1 108041 Disposable wipes 11 x 22 cm 280 pkg 2097000 Wash bottle polyethylene 500 mL 1 62011 Probe stand for standard Intellical probes 1 8508850 English 13 ...

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Page 18: ...2932 orders hach com www hach com HACH LANGE GMBH Willstätterstraße 11 D 40549 Düsseldorf Germany Tel 49 0 2 11 52 88 320 Fax 49 0 2 11 52 88 210 info de hach com www de hach com HACH LANGE Sàrl 6 route de Compois 1222 Vésenaz SWITZERLAND Tel 41 22 594 6400 Fax 41 22 594 6499 Hach Company Hach Lange GmbH 2010 2011 2013 2021 All rights reserved ...

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