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Содержание PHC745

Страница 1: ...DOC022 53 80435 PHC745 05 2021 Edition 2 User Manual ...

Страница 2: ......

Страница 3: ...ocedure 9 Section 6 Sample measurement 10 6 1 Sample requirements 10 6 2 Sample measurement notes 10 6 3 Sample measurement procedure 10 Section 7 Verify the calibration 11 7 1 Verification procedure 11 Section 8 Maintenance 12 8 1 Clean the probe 12 8 1 1 Clean the sleeve junction 13 8 2 Fill the probe 14 8 3 Add KCl crystals to the probe 14 8 4 Replace the filling solution 16 8 5 Soak procedure ...

Страница 4: ...Table of Contents 2 ...

Страница 5: ...o not use the probe to measure the pH of organic solvents or very alkaline samples Figure 1 Probe overview 1 Probe soaker bottle with storage solution 5 Electrode filling and storage solution 2 Filling hole plug 6 Glass sleeve junction 3 Protective tape and filling hole 7 Glass bulb and temperature sensor 4 Cable Section 2 Specifications Specifications are subject to change without notice Specific...

Страница 6: ...manufacturing defects but not improper use or wear 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 Intellical probes do not treat or alter water 3 2 Use of hazard information D A N G E R Indicates a potentially or imminently hazardous situation which if not ...

Страница 7: ...are filled with electrolyte filling solution and have a soaker bottle that contains storage solution to keep the glass bulb and reference junction hydrated Prepare the probe for calibration and measurement as follows 1 Remove the protective tape from the filling hole Refer to Figure 2 Note Put the soaker bottle on the soaker bottle holder when not in use 2 Rinse the reference junction and glass bu...

Страница 8: ...e meter starts for the first time or after battery replacement 9 Connect the probe to the meter 10 Remove the filling hole plug before use Keep the level of the electrolyte filling solution above the level of the measurement liquid during use Refer to Figure 3 Note For measurements in low ionic strength LIS samples soak the probe for a maximum of 5 minutes in the sample before use Figure 2 Remove ...

Страница 9: ...rate gives a fast response in different sample types but uses a high volume of electrolyte Make sure that the electrolyte does not fully drain from the probe 1 Hold the probe over a beaker or container 2 Lift the sleeve junction until drops of electrolyte flow out 3 Lightly push the sleeve junction down to the initial position Refer to Figure 4 Note Do not loosen the sleeve junction too much If th...

Страница 10: ... a pH buffer near the expected sample pH Use the default calibration options or change the options in the probe settings menu Use the single display mode for calibration when more than one probe is connected to the meter if applicable Calibrate the probes and verify the calibration regularly for best results Use the meter to set calibration reminders The calibration data is stored in the probe Whe...

Страница 11: ...he first pH buffer solution Make sure that the sensor and reference junction are fully in the solution Do not put the probe on the bottom or sides of the beaker 6 Shake the probe from side to side to refresh the reference junction and remove air bubbles Note Be careful to not hit the beaker and damage the probe 7 Stir slowly then read the pH value of the buffer solution The display shows the tempe...

Страница 12: ...w ionic strength LIS samples absorb gases from the air that can change the sample pH For stable measurements use an LIS chamber or a flow cell 6 2 Sample measurement notes Read the notes that follow before sample measurements Rinse the probe with deionized water and dry with a lint free cloth between measurements to prevent contamination If complete traceability is necessary enter a sample ID and ...

Страница 13: ...ares the selected pH buffer value to the measured pH value and accepts or rejects the measurement The user can change the pH buffer solution and acceptance criteria for verification in the probe specific settings Note Password protection may prevent access to the acceptance criteria 7 1 Verification procedure 1 Go to the verification menu The display shows the pH buffer solution to use for verific...

Страница 14: ...ation errors Sample material stays on the probe 1 Rinse the probe with deionized water Use warm 35 45 C 95 113 F deionized water to remove storage solution that dries on the probe Dry the probe body with a lint free cloth 2 Soak the glass bulb and reference junction in the applicable cleaning solution for the specified time Refer to Table 1 and Consumables on page 19 3 Rinse or soak the probe for ...

Страница 15: ...ter and organic compounds Electrode cleaning solution extra strong Sodium hypochlorite 5 10 minutes 8 1 1 Clean the sleeve junction Clean the sleeve junction when the sleeve junction does not move correctly Refer to Figure 5 Note If dried salt crystals prevent the movement of the sleeve junction soak the probe tip in warm water to dissolve the salt crystals Figure 5 Clean the sleeve junction Engli...

Страница 16: ... crystals to the probe The filling solution in the probe contains crystals of potassium chloride KCl that keeps the filling solution saturated with KCl When the sample temperature is more than 60 C 140 F more crystals are necessary to keep the solution saturated with KCl Add more KCl crystals when the level of crystals above the glass bulb is less than 0 5 cm 0 2 in or when the sample temperature ...

Страница 17: ...ottle 2 Measuring scoop 5 Saturated KCl solution 3 KCl crystals Table 2 KCl quantity at high temperatures Temperature KCl quantity 60 C 140 F 0 5 g 0 5 cm 0 2 in 70 C 158 F 0 625 g 80 C 176 F 0 750 g 90 C 194 F 0 875 g 100 C 212 F 1 0 g 1 0 cm English 15 ...

Страница 18: ...nd KCl crystals from the probe as possible Discard the solution and KCl crystals 3 Remove the remaining KCl crystals as follows a Fill the probe half full with deionized water Close the filling hole b Shake the probe until the crystals become loose Note If the crystals do not loosen fill the probe with deionized water and put the probe in a warm water bath maximum 60 C 140 F for approximately 10 m...

Страница 19: ... N O T I C E Probes can become permanently damaged if kept in a storage solution that is not specified by the manufacturer Use only the specified storage solution saturated KCl Do not store the probe in deionized water or in samples of low ionic strength For short term storage the probe can stay in the sample for a maximum of 2 hours if the sample pH is not high Close the filling hole and put the ...

Страница 20: ...ed to the sample sufficiently Condition the probe Refer to Preparation for use on page 5 The glass sensor has become dry Soak the probe tip in buffer solutions Refer to Soak procedure for dry probes on page 17 The calibration slope of the probe has changed Increase the accepted slope limit settings if possible or contact technical support Sample properties cause slow stabilization or inaccurate me...

Страница 21: ...t and Article numbers may vary for some selling regions Contact the appropriate distributor or refer to the company website for contact information Description Quantity Item no Electrode filling solution saturated KCl 59 mL1 25118026 Electrode cleaning solution for regular maintenance 500 mL 2965249 Electrode cleaning solution for minerals inorganic contamination 500 mL 2975149 Electrode cleaning ...

Страница 22: ... C 77 F 500 mL S11M003 pH 7 000 0 010 at 25 C 77 F 500 mL S11M004 pH 9 180 0 010 at 25 C 77 F 500 mL S11M006 pH 10 012 0 010 at 25 C 77 F 500 mL S11M007 pH 12 45 0 05 at 25 C 77 F 500 mL S11M008 pH buffer 1 09 technical 500 mL S11M009 pH buffer 4 65 technical 500 mL S11M010 pH buffer 9 23 technical 500 mL S11M011 10 2 Accessories Description Quantity Item no Beaker 30 mL plastic colorless 80 pkg S...

Страница 23: ... bottle polyethylene 500 mL 1 62011 Probe stand for standard Intellical probes 1 8508850 Storage protection tube 1 LZW9161 99 Plastic transfer pipet 5 mL 20 pkg 2749320 Measuring scoop 1 g 0 04 oz each 2657201 Bottle mixing round with cap each 1862400 English 21 ...

Страница 24: ...22 English ...

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Страница 26: ... 669 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 2014 2021 All rights reserved ...

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