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DOC022.53.80029

ISENH4181

05/2021, Edition 5

User Manual

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Summary of Contents for ISENH4181

Page 1: ...DOC022 53 80029 ISENH4181 05 2021 Edition 5 User Manual...

Page 2: ......

Page 3: ...n 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...

Page 4: ...Table of Contents 2...

Page 5: ...2 Specifications Specifications are subject to change without notice Specifications Details Probe type Digital combination probe with a non refillable reference junction and a built in temperature sen...

Page 6: ...r Certifications CE FCC ISED Section 3 Safety information 3 1 Intended use The Intellical probes are intended for use by individuals who measure water quality parameters in the laboratory The Intellic...

Page 7: ...probe before use To condition the probe soak the probe in approximately 25 mL of the lowest concentration standard solution used for calibration for 30 to 60 minutes Do not add the ISA to the standard...

Page 8: ...e 1 Go to the calibrate menu Select the probe if applicable The display shows the standard solutions to use for calibration 2 Add 25 mL of each standard solution to different beakers 3 Add one Ammoniu...

Page 9: ...lete traceability is necessary enter a sample ID and operator ID before measurement Refer to the meter manual for instructions Stir the standards and samples at a slow and constant rate to prevent the...

Page 10: ...ow apply The sample does not contain interferences The sample pH is within the range given in the specifications Omission of the ISA is accepted by the regulatory reporting agency if the measurement i...

Page 11: ...o the acceptance criteria 7 1 Verification procedure 1 Go to the verification menu The display shows the standard solution to use for verification Note Menu name for HQd meters Run check standard 2 Po...

Page 12: ...rd 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 Prepa...

Page 13: ...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 ch...

Page 14: ...tandard addition A percent recovery of 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...

Page 15: ...scription 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...

Page 16: ...14 English...

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Page 18: ...932 orders hach com www hach com HACH LANGE GMBH Willst tterstra e 11 D 40549 D sseldorf 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 S rl 6 rout...

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