pH 電極 9625-10D 取扱説明書
Contents
1. 220 1 moll 250 220 220 3 4 2 E pH E 12. 1 1 HORIBA pH Electrode 9625 10D Instruction Manual Thank you for purchasing a HORIBA pH electrode Read this manual carefully before using the electrode Hi Caution on Use e Safety Precautions Z CAUTION Chemical solution The internal solution in the electrode uses potassium chloride 3 33 mol L KCl If the internal material comes in contact with the hands or skin wash immediately with water If the internal solution comes in contact with the eyes flush with a large amount of running water then seek medical advice CODE GZ0000243344A May 2011 2011 HORIBA Ltd Hi Specifications and Parts Description e Part name Protective cap Responsive glass Liquid junction Support tube Cap membrane Internal solution filler port Slide cap ic Temp connector Electrode connector Specifications y Lead Connector cover Electrode model 9625 10D Q Glass fragments MA Measurement range pH 0 to 14 Glass fragments can cause injury The outer tube a
3. 30 pH BH Eat PREY THE 1 mol L 0 1 mol L 1 2 2 e 1 2
4. 3 33 molL KCI 300 pH 4 0 1 mol L 50 C A
5. N 3 Es 24 BM pH
6. 1 2 3 4 O su E KCI 1
7. o 1 2 3 4 G 5 3 cm 6 e AGE e
8. Body material is prastic Do not use organic solvents such as Do not suddenly immerse the electrode in samples acetone or toluene where the temperature variation is 50 C or more Silver chloride can be detected inside the responsive glass membrane However it will not cause any performance problem Do not use the electrode in any place where usable temperature is out of the specified range White crystal can adhere to the internal solution filler port or protective cap after storage of the electrode However it will not cause any performance problem Packaged Contents Name Q ty Electrode 9625 10D 1 pc Instruction manual this book 1 booklet HORIBA Ltdi 2 Miyanohigashi Kisshoin Minami ku Kyoto 601 8510 Japan http www horiba com For any questions regarding this product please contact your local agency or inquire from the HORIBA website http global horiba com contact_e index htm Connecting to pH meter 1 Insert the electrode connector into the connector port sleeve on the meter after aligning with the pin Do not insert the connector unless it is aligned properly with the connector port 2 Press the electrode connector into the connector port on the meter while turning the connector to the right 3 Slide the connector cover over the connector Then push the cover in straight until it comes in light contact with the meter case Do not turn the cover 4 Insert the tempe
9. E 9625 10D 1 1 horiba com CODE GZ0000243344A May 2011 2011 HORIBA Ltd MM M a e 9625 10D pH pH0 14 0 100 C 0 50 C 0 50 C 3 33 molL KCI 300 mene 150 mm 16 mm 15 mm 1m 1m a 0120 37 6045 A 9 00 17 00
10. HORIBA pH 9625 10D BH ez A 3 33 molL KCI Q T 601 8510 2 http www
11. ctive cap with pure water then add enough pure water to soak the sponge N 4 Attach the protective cap Protective cap Do not dry the responsive glass membrane and liquid junction If they are dry replace the internal solution and immerse them in pure water for 24 hours or longer After these procedures perform calibration If calibration cannot be performed correctly replace the electrode Avoid storing the electrode in hot and humid locations Store the electrode indoors out of direct sunlight For accurate measurement For accurate measurement refer to items below Stir the sample with stirrer in measurement calibration Perform temperature compensation manually or automatically Refer to the instruction manual of pH meter Temperature of standard solution and sample should be the same Rinse the electrode with the sample before measurement Immerse the responsive glass membrane and liquid junction in the sample completely Make sure that the surface of the internal solution inside the electrode is higher than the surface of the sample solution Perform calibration before measurement If measurement is performed everyday perform calibration once or more a day
12. meter hanging It may cause breaking of wire 2 If necessary fill the electrode with new internal solution until the solution level gets close to the internal solution filler port 3 Wash the electrode with pure water and wipe it with filter paper prior to every immersion into standard sample solution 4 When there are air bubbles inside the responsive glass membrane stir it lightly to remove bubbles 5 Immerse the responsive glass membrane and liquid junction in the sample completely Make sure that the surface of the internal solution inside the electrode is higher than the surface of the sample solution 6 Stir the electrode lightly to remove bubbles Be sure to keep the internal solution filler port open during measurement If it is clogged with the solution accurate measurement cannot be performed Wipe the solution with cloth For calibration measurement on pH meter refer to the instruction manual of pH meter Maintenance Do not use organic solvents such as acetone or tetrahydrofuran or acid above 1 mol L or alkaline above 0 1 mol L cleansing solutions Using such chemicals may damage the body of the electrode or cause a decline in performance To maintain electrode performance replace the internal solution approximately every one or two months Refer to Preparation page 2 Dirt on the responsive glass membrane or liquid junction by the test solution ma
13. nd tip of the electrode are made from glass 0 C to 100 C In submergence measure Be careful not to braak them Usable temper ure range ment 0 C to o z Storage temperature range 0 C to 50 C Points of concern Internal electrode Silver silver chloride Do not shock the electrode Reference electrode internal 3 33 mol L KCI solution model 300 Do not measure chapped or cracked electrode Replace solution such electrode with a new one Liquid junction material Porous ceramic Do not allow the connector to come in contact with water or unclean hands If not accurate measurement cannot Wetted material Glass silicon rubber ceramic be performed polysulfone polyolefin polyamide Always use the 3 33 mol L KCI solution model 300 Electrode length 150 mm internal solution for reference electrode Ext di ed oan 16 f the responsive glass membrane or liquid junction is ane sees on very dirty and cannot be washed clean using pure water Liquid junction height Approximately 15 mm from the tip of cleanse it depending on dirt condition electrode Refer to Maintenance page 4 Lead length 1 m Avoid continuous use of this electrode at acidic or alkaline concentrations above 0 1 mol L Using the Maximum submergence depth 1 m electrode under these conditions may harm performance and shorten the life of the electrode Do not measure the solutions which contain fluoride ion Note which may corrode the glass electrode
14. rature connector into the jack on the meter Insert the connector firmly until the O ring on the connector can no longer be seen Be sure to install the temperature connector If not accurate measurement cannot be performed Preparation White crystal KCl can adhere to the internal solution filler port or protective cap However it will not cause any performance problem Wash away the white crystal with pure water For the first use or use after a long interval 1 Loosen the knurled nut then remove the protective cap a a eS 4 Protective cap ons 2 Open the internal solution filler port i t 3 Remove the existing electrode internal solution with a dropper 4 Fill the electrode with new internal solution model 300 until the solution level gets close to the internal solution filler port vAN Up to here 5 Wash the electrode tip well with pure water then wipe it with filter paper Hi Measurement calibration In submergence measurement 1 Open the internal solution filler port Perform measurement with the internal solution filler port closed Pour the internal solution as mach as possible and close the internal solution filler port not to leave the bubbles inside the electrode Avoid continuous use for more than 30 minutes Do not swing around the sensor and do not pull the connection with the cable In addition do not hold the cable the electrode and pH
15. y cause a decline in electrode response and sensitivity or measurement error If the electrode is very dirty and cannot be washed clean using pure water perform cleansing Cleansing of electrode 1 Open the internal solution filler port 2 Immerse the responsive glass membrane and liquid junction in cleansing agent for approximately one hour until contamination is removed The responsive glass membrane can also be cleaned by wiping it with cotton gauze containing cleansing agent Type of dirt Cleansing agent General Diluted neutral cleansing agent Alcohol or diluted neutral cleansing agent Inorganic substance Electrode cleaner model 220 or Hydrochloric acid approximately 1 mol L Protein Cleansing agent including protein cutting enzyme model 250 Liquid junction Electrode cleaner model 220 Altered of glass Slow response Electrode cleaner model 220 3 Rinse the electrode with pure water completely 4 Replace the internal solution Refer to Preparation page 2 Be sure to perform calibration prior to measurement after cleansing the electrode Tip Applying pressure on the internal solution and exuding it from liquid junction have an effect of stabilizing pH response Storage 1 Wash the electrode well with pure water to remove sample completely and wipe it with filter paper 3 Wash the inside of the prote
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