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DOC022.53.80023
PHC101
06/2021, Edition 5
User Manual

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Summary of Contents for Hach PHC101

  • Page 1 DOC022.53.80023 PHC101 06/2021, Edition 5 User Manual...
  • 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 ..................5 3.3 Precautionary labels ..................... 5 3.4 Product hazards ....................5 Section 4 Preparation for use ................
  • Page 4 Table of Contents...
  • Page 5: Section 1 Product Overview

    Section 1 Product overview The Intellical PHC101 series pH probes are digital, combination electrodes that measure the pH of wastewater, drinking water and general water samples. The probes have a non-refillable, gel-filled electrolyte and a built-in temperature sensor. The open reference junction gives an optimum electrical connection between the sample and the electrolyte and does not become clogged.
  • Page 6: Section 3 Safety Information

    Body material (field rugged) Epoxy/stainless steel Electrolyte Non-refillable gel reference element Storage solution 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: PHC10101: 1 m (3.3 ft);...
  • Page 7: Use Of Hazard Information

    3.2 Use of hazard 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.
  • Page 8: Section 5 Calibration

    1. Remove the protective tape from the reference junction. Refer to Figure 2. Rinse the reference junction and glass bulb with deionized water. Blot dry with a lint-free cloth. 3. For faster stabilization, soak the probe for 3 or more minutes in the sample before use. 4.
  • Page 9: Calibration Procedure

    • 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. When a calibrated probe is connected to a different meter with the same calibration options, a new calibration is not necessary. •...
  • Page 10: Section 6 Sample Measurement

    Section 6 Sample measurement The procedure that follows is applicable to meters that can connect to Intellical pH 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: Section 7 Verify The Calibration

    5. Stir gently, then read the pH value of the sample. The display shows the temperature- compensated pH value when the reading is stable. Section 7 Verify the calibration Measure the pH value of a fresh pH buffer solution to make sure the result is accurate. The meter compares the selected pH buffer value to the measured pH value and accepts or rejects the measurement.
  • Page 12: Section 8 Maintenance

    5. Shake the probe 6. Stir gently, then from side to side to read the pH value of refresh the reference the buffer solution. junction and remove The meter accepts air bubbles. or rejects the result. Section 8 Maintenance Regular maintenance is necessary for the best accuracy, stabilization time and life of the probe. Keep the probe in the recommended storage solution between measurements.
  • Page 13: Soak Procedure For Dry Probes

    Figure 3 Soaking depth for open junction probes Table 1 Cleaning solution Contamination Cleaning solution Active component Soak time ™ General Electrode cleaning solution for KATHON 12–16 hours ® contamination regular maintenance DECONEX Minerals Electrode cleaning solution for Phosphoric acid 10–15 minutes minerals/inorganic (~10%)
  • Page 14: Storage

    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 (Hach pH electrode storage solution or 3 M KCl). Do not store the probe in deionized water or in samples of low ionic strength. Put the soaker bottle that contains the storage solution on the probe when not in use.
  • Page 15: Section 9 Troubleshooting

    Figure 6 Probe storage Section 9 Troubleshooting Keep the probe clean and in the recommended storage solution when not in use for the best accuracy, stabilization time and life of the probe. Problem Possible cause Solution Decreased probe performance The glass sensor is dirty. Clean and condition the probe.
  • Page 16: Section 10 Consumables

    Note: Product 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. Hach pH electrode storage solution 500 mL 2756549 Electrode cleaning solution for regular maintenance 500 mL...
  • Page 17: Accessories

    10.1 Recommended standards (continued) Description Unit Item no. pH 10.01 buffer solution, Singlet one-use packets, 20 mL each 20/pkg 2770220 pH 4.01 and pH 7.00 buffer solution kit, Singlet one-use 2 x 10/pkg 2769920 packets, 20 mL each pH 7.00 and 10.01 buffer solution kit, Singlet one-use packets, 2 x 10/pkg 2769820 20 mL each...
  • Page 18 10.2 Accessories (continued) Description Quantity Item no. Beaker, 100 mL, polypropylene 108042 LIS (low ionic strength) chamber 5189900 Disposable wipes, 11 x 22 cm 280/pkg 2097000 Wash bottle, polyethylene, 500 mL 62011 Probe stand for standard Intellical probes 8508850 Soaker bottle for probe storage 5192900 Probe cable depth markers for rugged Intellical probes 5/pkg...
  • Page 20 Tel. +49 (0) 2 11 52 88-320 SWITZERLAND Fax (970) 669-2932 Fax +49 (0) 2 11 52 88-210 Tel. +41 22 594 6400 orders@hach.com info-de@hach.com Fax +41 22 594 6499 www.hach.com www.de.hach.com © Hach Company/Hach Lange GmbH, 2010, 2013, 2021. All rights reserved.

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