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Related Manuals for Hach IntelliCAL ISENH3181 Series
Summary of Contents for Hach IntelliCAL ISENH3181 Series
- Page 1 DOC022.53.80107 ISENH3181 05/2021, Edition 6 User Manual...
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Page 3: Table Of Contents
Table of Contents Section 1 Product overview ................. 3 Section 2 Specifications ..................3 Section 3 Safety information ................4 3.1 Intended use ....................... 4 3.2 Use of hazard information ..................4 3.3 Precautionary labels ..................... 5 3.4 Product hazards ....................5 Section 4 Preparation for use ................ - Page 4 Table of Contents...
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Page 5: Section 1 Product Overview
Section 1 Product overview The Intellical ISENH318 series probes are digital, combination electrodes that measure the ammonia concentration in wastewater, drinking water and general water samples. The probes have a built-in temperature sensor, a refillable membrane module and a double-junction reference. The Ammonia Ionic Strength Adjuster (ISA) increases the solution pH to >11, where ammonium and ammonia are measured as NH . -
Page 6: Section 3 Safety Information
Non-refillable gel reference element Storage solution Short-term and mid-term storage: 1000 mg/L NH —N standard solution Long-term storage: Hach pH Electrode Storage Solution Cable connection M12 digital output and connector Dimensions Diameter: 12 mm (0.47 in.) Length: 175 mm (6.9 in.) total; 103 mm (4.1 in.) below head Cable length: ISENH318101: 1 m (3.3 ft);... -
Page 7: Precautionary Labels
3.3 Precautionary labels Read all labels and tags attached to the instrument. Personal injury or damage to the instrument could occur if not observed. A symbol on the instrument is referenced in the manual with a precautionary statement. Electrical equipment marked with this symbol may not be disposed of in European domestic or public disposal systems. -
Page 8: Section 5 Calibration
Figure 2 Install the membrane module 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 before calibration. •... -
Page 9: Calibration Procedure
5.2 Calibration procedure 1. Go to the 2. Add 25 mL of 3. Add one 4. Add a stir bar to calibrate menu. each standard Ammonia Ionic the first standard Select the probe, if solution to different Strength Adjustor solution. Put the applicable. -
Page 10: Section 6 Sample Measurement
Section 6 Sample measurement 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. 6.1 Sample measurement notes Read the notes that follow before sample measurements. •... -
Page 11: Interferences
5. Put the probe in 6. Shake the probe 7. Stir for 30 to the sample with the from side to side to 60 seconds, then sensor fully in the refresh the reference read the ammonia sample. Do not put junction and remove concentration of the the probe on the... -
Page 12: Verification Procedure
7.1 Verification procedure 1. Go to the 2. Pour 25 mL of the 3. Add one 4. Add a stir bar. verification menu. standard solution Ammonia Ionic Put the beaker on an The display shows into a 50‑mL beaker. Strength Adjustor electromagnetic the standard solution (ISA) Powder Pillow. - Page 13 Follow the applicable storage procedure: • Short-term and mid-term (maximum one week) storage—Put the ammonia probe with the installed membrane module in a 1000 mg/L NH —N standard solution without Ionic Strength Adjustor (ISA). Do not let the membrane dry out. A soaker bottle is not necessary. Put a cover on the storage beaker and probe body to prevent solution evaporation.
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Page 14: Section 9 Troubleshooting
Section 9 Troubleshooting Refer to Table 1 for general troubleshooting information. To check the accuracy of sample measurements, refer to Standard additions check on page 13. To check the probe performance, refer to Slope check on page 13. Table 1 Troubleshooting information Problem Possible cause Solution... -
Page 15: Slope Check
Table 1 Troubleshooting information (continued) Problem Possible cause Solution Air bubbles are around or Carefully tap or shake the probe to below the probe tip. remove air bubbles. The ISA was not added. Add one ISA powder pillow to each 25 mL of sample and standard solution. -
Page 16: Section 10 Consumables
Ammonia standard solution, 100 mg/L as NH –N 500 mL 2406549 Ammonia standard solution, 1000 mg/L as NH –N 2354153 Hach pH electrode storage solution 500 mL 2756549 Membrane modules for ISENH3181 probes 3/pkg 5812711 Air gap assembly for ammonia ISE... -
Page 17: Accessories
Section 10 Consumables (continued) Description Quantity Item no. Beaker, 100 mL, polypropylene 108042 Probe stand for standard Intellical probes 8508850 10.1 Accessories Description Quantity Item no. Beaker, polypropylene, 50 mL, low form 108041 Disposable wipes, 11 x 22 cm 280/pkg 2097000 Wash bottle, polyethylene, 500 mL 62011... - Page 18 16 English...
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