User manual HANNA INSTRUMENTS HI 9622

[. . . ] HANNA LITERATURE Hanna publishes a wide range of catalogs and handbooks for an equally wide range of applications. The reference literature currently covers areas such as: Instruction Manual · Water Treatment · Process · Swimming Pools · Agriculture · Food · Laboratory · Thermometry and many others. For these and other catalogs, handbooks and leaflets, contact your dealer or the Hanna Customer Service Center nearest to you. To find the Hanna Office in your vicinity, check our home page at www. hannainst. com. HI 8014 - HI 8314 HI 8424 - HI 8915 HI 9214 - HI 931000 HI 9622 Portable pH Meters MANPHCFMR3 06/02 www. hannainst. com Manufacturers since 1978 These Instruments are in Compliance with the CE Directives Dear Customer, Thank you for choosing a Hanna product. [. . . ] When not in use, the tip of the electrode should be kept moist and safe from any mechanical stress which might cause damage to the glass/platinum junction. CAL °C CFM HI 931000 1) 2) 3) 4) 5) 6) DIN socket for combination pH/°C electrode. CFM to confirm calibration data. 42 15 SPECIFICATIONS HI 931000 HI 931000 0. 00 to 14. 00 0. 0 to 70. 0 0. 01 0. 1 ±0. 01 ±0. 5 ±0. 30 ±1 Automatic 2 point with 3 memorized standard buffers (pH 7. 01, 4. 01, 10. 01) Automatic from 0 to 70°C (32 to 158°F) HI 1217D combination 4-in-1 gel pH electrode with built-in temperature sensor and amplifier (included) 1 x 9 volt 300 hours of continuous use Auto-off after 8 minutes of non-use 0 to 50°C (32 to 122°F); max 95% RH non-condensing 143 x 80 x 38 mm (5. 6 x 3. 2 x 1. 5") 360 g (12. 7 oz. ) CLEANING PROCEDURE General Soak in Hanna HI 7061 General Cleaning Solution for approximately ½ hour. Removal of films, dirt or deposits on the membrane/junction: Protein Soak in Hanna HI 7073 Protein Cleaning Solution for 15 minutes. Inorganic Soak in Hanna HI 7074 Inorganic Cleaning Solution for 15 minutes. IMPORTANT: After performing any of the cleaning procedures rinse the electrode thoroughly with distilled water, drain and refill the reference chamber with fresh electrolyte, (not necessary for gel-filled electrodes) and soak the electrode in HI 70300 Storage Solution for at least 1 hour before taking a measurement. Range Resolution Accuracy (@20°C/68°F) Typical EMC Deviation pH Calibration pH °C pH °C pH °C pH °C Temperature Compensation Electrode TROUBLESHOOTING Evaluate your electrode performance based on the following. · Noise (Readings fluctuate up and down) could be due to: - Clogged/Dirty Junction: Refer to the Cleaning Procedure above. - Loss of shielding due to low electrolyte level (in refillable electrodes only): refill with HI 7071 for single junction or HI 7082 for double junction electrodes. · Dry Membrane/Junction: Soak in Storage Solution HI 70300 for at least 1 hour. · Drifting: Soak the electrode tip in warm Hanna Solution HI 7082 for one hour and rinse tip with distilled water (refill with fresh HI 7071 for single junction electrodes and HI 7082 for double junction electrodes if necessary). · No Slope: - Check the electrode for cracks in glass stem or bulb (replace the electrode if cracks are found). - Make sure cable and connections are not damaged nor lying in a pool of water or solution. · Slow Response/Excessive Drift: Soak the tip in Hanna Solution HI 7061 for 30 minutes, rinse thoroughly in distilled water and then follow the Cleaning Procedure above. · For ORP Electrodes: polish the metal tip with a lightly abrasive paper (paying attention not to scratch the surface) and wash thoroughly with water. 41 Battery Type Life Environment Dimensions Weight 16 If the bulb and/or junction are dry, soak the electrode in HI 70300 Storage Solution for at least one hour. For refillable electrodes: If the refill solution (electrolyte) is more than 2½ cm (1") below the fill hole, add HI 7082 3. 5M KCl Electrolyte Solution for double junction or HI 7071 3. 5M KCl+AgCl Electrolyte Solution for single junction electrodes. For AmpHel® electrodes: If the electrode does not respond to pH changes, the battery is run down and the electrode should be replaced. FUNCTIONAL DESCRIPTION HI 9622 TEST MEASUREMENT Rinse the electrode tip with distilled water. Immerse the tip (bottom 4 cm / 1½") in the sample and stir gently for approx. For a faster response and to avoid cross contamination of the samples, rinse the electrode tip with the solution to be tested, before taking your measurements. STORAGE To minimize clogging and assure a quick response time, the glass bulb and the junction should be kept moist and not allowed to dry out. When not in use, replace the solution in the protective cap with a few drops of HI 70300 Storage Solution or, in its absence, HI 7007 pH 7. 01 Buffer Solution. Note: NEVER STORE THE ELECTRODE IN DISTILLED OR DEIONIZED WATER. 1) 2) 3) 4) 5) 6) 7) 8) 9) PERIODIC MAINTENANCE Inspect the electrode and the cable. The cable used for the connection to the meter must be intact and there must be no points of broken insulation on the cable or cracks on the electrode stem or bulb. For refillable electrodes: Refill the electrode with fresh electrolyte (HI 7071 for single junction or HI 7082 for double junction electrodes). Follow the Storage Procedure above. AmpHel® is a registered Trademark of "Hanna Instruments" BNC socket for combination pH or ORP electrode. [. . . ] Rinse the tip of the electrode with some pH 7. 01 solution, then immerse it in a pH 7. 01 buffer solution. Stir gently and wait a couple of minutes for the reading to stabilize. Note: The electrode should be submerged approximately 4 cm (1½") in the solution. ON OFF HI 7007 CFM · Remove the protective cap from the electrode, rinse the tip of the electrode with some pH 7. 01 solution, then immerse the pH electrode and temperature probe in a pH 7. 01 buffer solution. Note: the electrode should be submerged approximately 4 cm (1½") into the solution. [. . . ]