ELECTRODE INSTRUCTION GUIDE Stay in touch with the
Contents
1. Hanna Solution HI7082 for one hour then flush tip with distilled water Refill with fresh HI7071 for single junction electrodes and HI7082 for double junction electrodes Low Slope Refer to Cleaning Procedure above No Slope Check electrode for cracks in glass stem or bulb and replace the electrode Slow Response Excessive Drift Soak the tip in Hanna Solution HI7061 for 30 minutes rinse thoroughly in distilled water and then follow Cleaning Procedure above Each solution is available in M or L size 230 or 460 mL Electrolyte Solutions are supplied in kits 4X50 mL Check with your nearest Hanna Dealer for more information IstrElect 05 95 Stay in touch with the manifacturer ELECTRODE INSTRUCTION GUIDE Code PREPARATION Remove the protective cap DO NOT BE ALARMED IF ANY SALT DEPOSITS ARE PRESENT This is normal with electrodes and they will disappear when rinsed with water Shake the electrode down as you would do with a clinical ther mometer to eliminate any air bubbles inside the glass bulb ate Feel Hole If the bulb and or junction are Wee dry soak the electrode in a De HRS HI70300 Storage Solution for at least one hour _Rafergnce ill Hole Sensitive Wire N 4 Sensitive For refillable electrodes Reference LTR Wire N Wire e If the fill solution electrolyte is reterence ML Reterence less than 1cm 2 below thefill g ranan hole add HI7082 for double junc fy tion or HI7071 f2. ELECTRODE INSTRUCTION GUIDE MEASUREMENT Rinse the electrode tip with distilled water Immerse the tip in the sample and stir gently for approx 30 seconds For a faster response and to avoid cross contamination of the samples rinse the electrode tip with a few drops of the solution to be tested before taking measurements STORAGE Tominimize clogging and ensure a quick response time the glass bulb and the junction should be kept moist and not allowed to dry out Replace solution in the protective cap with a few drops of HI70300 Storage Solution or in its absence Filling Solution HI7071 for single junction or HI7082 for double junction electrodes If none of the above is available tap water may also be used for a very short period couple of days Follow Preparation above before taking measurements Note NEVER STORE THE ELECTRODE IN DISTILLED WATER PERIODIC MAINTENANCE e Inspect the electrode for any scratches or cracks If any present replace the electrode e Rinse off any salt deposits with water For refillable electrodes Drain the reference chamber with a syringe and refill it with fresh electrolyte HI7071 for single junction or HI7082 for double junction electrodes Allow the electrode to stand upright for 1 hour e Followthe Storage Procedure above CLEANING PROCEDURE General Soak in Hanna HI7061 General Cleaning Solution for approximately 1 hour Removal of films dirt or deposits on the membr
3. O Electrolyte Solution 4X50 mL HI7082 HI8082 3 5M KCI Electrolyte Solution 4X50 mL HI8093 1M KCI AgCI Electrolyte Solution 4X50 mL Check with your nearest Hanna Dealer for more information IstrElec 05 95
4. ane junction Protein Soak in Hanna HI7073 Protein Cleaning Solu tion for 15 minutes Soak in Hanna HI7074 Inorganic Cleaning Solution for 15 minutes Oiland grease Rinse with Hanna HI7077 Inorganic Cleaning Solution Inorganic PREPARATION For refillable electrodes Remove the protective cap DO NOT BE ALARMED IF ANY SALT DEPOSITS ARE PRESENT This is normal with Fit Hote peel Holes electrodes and they will disap a Aslon pear when rinsed with water eS vat Shake the electrode down as you would do with aclinicalthermom eter to eliminate any air bubbles inside the glass bulb Ifthe bulb and or junction are dry iurcien 5 shaletenes soak the electrode in HI70300 e sub _ Blass Bulb Storage Solution for atleast one gt hour Reference Fill Hole Sensitive Wire N Sensitive gt Wire PLASTIC BODY _ Gass BODY pH ELECTRODE pH ELECTRODE F x Sensitive _ Sensitive If the fill solution electrolyte is Wie N iz SEE Wie a Reference Reference less than 1 cm 1 2 below the fill aie pae i hole add HI70823 5M KCI Elec Junction Junction Platinum or Platinum or trolyte Solution for double junc Gold tp S J Gold tip tion or HI7071 3 5M KCI AgCI Electrolyte Solution for single SERS oR BECRODE junction electrodes For afaster response lower the rubber sleeve or unscrew the fill hole screw For AmpHelelectrodes If the wires are extended they shou
5. ld not touch short circuited Maximum recommended length is 15m 50 however cables can be extended If the electrode does not respond to pH changes the battery is run down andthe electrode should be replaced With Process Instrumentation connect the blue wire to the glass terminal and the white wire to the reference terminal of the meter With electrodes terminating in spade lugs make sure the lugs do not touch each other otherwise the battery life will be drastically reduced IMPORTANT After performing any of the cleaning procedures rinse the electrode thoroughly with distilled water drain and refill the reference chamber with fresh electrolyte notnecessary for GEL filled electrodes and soak the electrode in HI70300 Storage Solution for at least 1 hour before taking measurements TROUBLE SHOOTING pH Meter Follow attentively the meter s operating and calibration proce dures from the instruction manual Electrode Evaluate your electrode performance based on the following possibilities Noise Readings fluctuate up and down could be due to Clogged Dirty Junction Refer to Cleaning Procedure above Loss of shielding due to low electrolyte level in refillable electrodes only Empty electrolyte with a syringe and refill with fresh HI7071 for single junction or HI7082 for double junction electrodes Dry Membrane Junction Soak in Storage Solution HI70300 for at least 1 hour Drifting Soak the electrode tip in warm
6. or single junction ie electrodes PHAECMODE pit AEROS For a faster response lower the rubber sleeve or unscrew the fill Sie age se ie hole screw Reference TT j jij Petgrence Reference Reference Junction Z Junction Platinum or Platinum or Gold tip 7 7 Gold tip aN Glass Bulb N SN For AmpHel electrodes Ifthe wires are extended they should not touch short cir cuited Maximum recom PLASTIC BODY GLASS BoDY ORP ELECTRODE ORP ELECTRODE mended length is 15 m 50 however cables can be extended If the electrode does not respond to pH changes the battery is run down andthe electrode should be replaced With Process Instrumentation connect the blue wire to the glass terminal and the white wire to the reference terminal of the meter With electrodes terminating in spade lugs make sure the lugs do not touch each other otherwise the battery life will be drastically reduced MEASUREMENT Rinse the electrode tip with distilled water Immerse the tip in the sample and stir gently for approx 30 seconds For a faster response and to avoid cross contamination of the samples rinse the electrode tip with a few drops of the solution to be tested before taking measurements STORAGE e Tominimize clogging and ensure a quick response time the glass bulb andthe junction should be kept moist and not allowed to dry out Replace solution in the protective cap with a few drop
7. s of HI70300 Storage Solution or in its absence Filling Solution HI7071 for single junction or HI7082 for double junction electrodes If none of the above is available tap water may also be used for a very short period couple of days Follow Preparation above before taking measurements Note NEVER STORE THE ELECTRODE IN DISTILLED WATER PERIODIC MAINTENANCE e Inspect the electrode for any scratches or cracks If any present replace the electrode e Rinse off any salt deposits with water For refillable electrodes Drain the reference chamber with a syringe and refill it with fresh electrolyte HI7071 for single junction or HI7082 for double junction electrodes Allow the electrode to stand upright for 1 hour e Followthe Storage Procedure above CLEANING PROCEDURE e General Soak in Hanna Solution HI7061 for approximately 1 hour Removal of films dirt or deposits on the membrane junction Protein Soak in Hanna Solution HI7073 for 15 minutes Inorganic Soak in Hanna Solution HI7074 for 15 minutes Oil and grease Rinse with Hanna Solution HI7077 IMPORTANT After performing any of the cleaning procedures rinse the electrode thoroughly with distilled water drain and refill the refer ence chamber with fresh electrolyte not necessary for GEL filled electrodes and soak the electrode in HI70300 Storage Solution for at least 1 hour before taking measurements TROUBLE SHOOTING pH Meter Follow attenti
8. vely the meter s operating and calibration procedures from the instruction manual Electrode Evaluate your electrode performance based on the follow ing possibilities Noise Readings fluctuate up and down could be due to Clogged Dirty Junction Refer to Cleaning Procedure above Loss of shielding due to low electrolyte level in refillable elec trodes only Empty electrolyte with a syringe and refill with fresh HI7071 for single junction or HI7082 for double junction electrodes Dry Membrane Junction Soak in Storage Solution HI70300 for at least 1 hour Drifting Soak the electrode tip in warm Hanna Solution HI7082 for one hour then flush tip with distilled water Refill with fresh HI7071 for single junction electrodes and HI7082 for double junction elec trodes Low Slope Refer to Cleaning Procedure above No Slope Check electrode for cracks in glass stem or bulb and replace the electrode Slow Response Excessive Drift Soak the tip in Hanna Solution HI7061 for 30 minutes rinse thoroughly in distilled water and then follow Cleaning Procedure above OPTIONAL ACCESSORIES HI70300 HI80300 Storage Solution 230 or 460 mL HI7061 HI8061 General Cleaning Solution 230 or 460 mL HI7073 HI8073 Protein Cleaning Solution 230 or 460 mL HI7074 HI8074 Inorganic Cleaning Solution 230 or 460 mL HI7077 HI8077 Oil and Fat Cleaning Solution 230 or 460 mL HI7071 HI8071 3 5M KCI AgCI Electrolyte Solution 4X50 mL HI7072 HI8072 1M KN
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