HANNA 981402 On-line Waterproof pH meter with Alarm Instruction Manual
Contents
1. e Do not be alarmed if white crystals appear around the electrode protective cap This is normal with pH elec trodes and they dissolve when rinsed with water e When not in use rinse the electrode with water and store it with a few drops of storage HI 70300 or pH 7 HI 7007 solution in the protective cap Always replace the protective cap after use DO NOT USE DISTILLED OR DEIONIZED WATER FOR STORAGE PURPOSES If the electrode has been left dry soak the tip in a storage HI 70300 or pH 7 HI 7007 solution for at least one hour fo reactivate it e To minimize clogging and provide longer life for the pH electrode it is recommended to clean it monthly Im merse the tip of the electrode in HI 7061 for one hour and then rinse it with tap water TAKING pH MEASUREMENTS e Turn the meter on by connecting the 12 Vdc power adapter to the meter and to the mains Remove the protective cap from the pH electrode and immerse the pH electrode tip 4 cm 114 into the sample The LCD will show the pH value Allow the reading to stabilize and the instru ment will start continuous monitoring Note To prevent damages to the pH electrode remove it from the sample before turning the meter off ADJUSTING THE SETPOINT With HI 981402 you can select the desired setpoint and be alerted with a visual LED alarm when an abnormal situa tion arises e To access the MEASURE SET switch and the setpoint adju2. electrical shock do not use this instrument when voltages at the measurement surface exceed 24 Vac or 60 Vdc To avoid damages or burns do not perform any measurement in microwave ovens HI1286 Double junction plastic body pH electrode with 2 m 6 6 cable and BNC connector HI 2114P 2 Double junction plastic body pH electrode with 2 m 6 6 cable and BNC connector HI 70004P pH 4 01 solution 20 mL sachet 25 pcs HI 70007P pH 7 01 solution 20 mL sachet 25 pcs HI 70010P pH 10 01 solution 20 mL sachet 25 pcs HI 7004L pH 4 01 solution 500 mL bottle HI 7007L pH 7 01 solution 500 mL bottle HI 7010L pH 10 01 solution 500 mL bottle HI 70300L Electrode storage solution 500 mL bottle HI7061L Electrode cleaning solution 500 mL bottle HI 710005 12 Vdc power adapter US plug HI 710006 12 Vdc power adapter European plug HI 710012 12 Vdc power adapter Australian plug HI 710013 12 Vdc power adapter Southern Africa plug HI 710014 12 Vdc power adapter UK plug CE DECLARATION OF CONFORMITY BEAN instruments cE DECLARATION OF CONFORMITY We Hanna In strumen nts Italia Srl via E Fermi 10 35030 Sarmeola di Rul bano PD ITALY herewith certify that the pH meters HI 981402 HI 981403 have been tested and found to be in compliance with the following regulations IEC 801 2 ect tic Discharge ted EN 55022 Radiated ss B EN 61010 1 User Safety Requirement Date of Issue 14 7 1998 On be
3. Instruction Manual gron oy ho HI 981402 On line Waterproof pH meter with Alarm HANNAN m instruments www hannainst com WARRANTY HI 981402 is warranted for two years against defects in work manship and materials when used for their intended purpose and maintained according to instructions The electrode is warranted for a period of six months This warranty is limited to repair or replacement free of charge Damages due to accident misuse tampering or lack of prescribed maintenance are not covered If service is required contact the dealer from whom you purchased the instrument If under warranty report the model number date of purchase serial number and the nature of the failure If the repair is not covered by the warranty you will be notified of the charges incurred If the instrument is to be returned to Hanna Instruments first obtain a Returned Goods Authorization Number from the Customer Service department and then send it with shipment costs prepaid When shipping any instrument make sure it is properly packaged for complete protection All rights are reserved Reproduction in whole or in part is prohibited without the written consent of the copyright owner Hanna Instruments reserves the rg to modify the design construction and appearance of its products without advance notice Dear Customer Thank you for choosing a Hanna product
4. PROCEDURE e Turn the meter on and make sure that the MEASURE SET switch is on the MEASURE position e Remove the protective cap from the electrode rinse and immerse it in pH 7 0 buffer solution Stir gently and wait a couple of minutes for the ae reading to stabilize la Note The electrode should be submerged approximately 4 cm 114 in the solution MEE e With the calibration screwdriver adjust the pH 7 trimmer M g wp Rta i until the LCD shows pH 7 0 ex 1 0 se e Rinse and immerse the pH electrode in pH 4 0 or pH 10 0 buffer and stir gently e Wait a couple of minutes then IN adjust the pH 4 trimmer A Q Y until the LCD shows pH 4 0 Rronto X or pH 10 0 M a gt ot 4 0 we The calibration is now complete Recommendations for Users Before using this product make sure that it is entirely suitable for the environment in which it is used Operation of this instrument in residential areas could cause unaccept able interferences to radio and TV equipment The glass bulb at the end of the electrode is sensitive to electrostatic discharges Avoid touching this glass bulb at all times During operation ESD wrist straps should be worn to avoid possible damage to the electrode by electrostatic discharges Any variation introduced by the user to the supplied equipment may degrade the instruments EMC performance To avoid
5. This manual will provide you with the necessary information for correct operation of the meter Please read it carefully before using the meter If you need additional technical information do not hesitate to e mail us at tech hannainst com This instrument is in compliance with the C directives PRELIMINARY EXAMINATION Remove the instrument from the packing material and examine it carefully If any damage has occurred during shipment immediately notify your Dealer or the nearest Hanna Customer Service Center The meter is supplied with e HI 1286 pH electrode e Calibration screwdriver e 12 Vdc power adapter and instructions Note Conserve all packing material until the instrument has been observed to function correctly Any defective item must be returned in its original packing GENERAL DESCRIPTION HI 981402 is a pH meter specially designed to meet the needs of simple continuous monitoring of pH The housing has been completely sealed against vapors and humidity with 1P54 rating Simply hang the meter right above the sample to be tested for continuous measurement The HI 1286 gel filled pH electrode is interchangeable and the BNC connector is protected behind a waterproof sheath The unique design of the electrode provides longer life even in aggressive solutions This instruemnt also provides for a selectable setpoint and alerts the user with a flashing LED alarm when an abnor mal situation occurs Measurements ar
6. e highly accurate and the meter can be calibrated at one or two points You no longer need to worry about battery changes either the unit runs without interruption on 12 Vdc power supply FUNCTIONAL DESCRIPTION Q Molded eye Alarm LED pH 4 calibration trimmer BNC connector HI 1286 pH electrode 12 VDC power adapter Power supply connector Protective sheath pH 7 calibration trimmer _ Liquid Crystal Display Oo sO CON Om ROUA N SPECIFICATIONS Range 0 0 to 14 0 pH Resolution 0 1 pH Accuracy 25 C 77 F 0 2 pH Typical EMC Deviation 0 2 pH Calibration Manual through offset and slope trimmers pH Electrode HI 1286 included Setpoint 3 0 to 11 0 pH Hysteresis 0 5 pH around setpoint Alarm LED blinks when pH is outside hysteresis range Casing IP54 Power supply 12 Vdc adapter included Dimensions 86 x 110 x 43 mm 3 4 x 4 3 x 1 7 Weight 150 g 5 3 oz OPERATIONAL GUIDE pH ELECTRODE CONNECTION amp MAINTENANCE vapors and humidity the BNC connector is In order fo protect the instrument against E shielded behind a waterproof sheath d e Slide the protective sheath down Connect the pH electrode to the BNC connector and then slide the protective sheath back up Since the protective sheath is rubberized to ensure maximum waterproof protection make sure the connector is completely covered t
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8. stment trimmer remove the rear panel e Move the switch to the left SET position SET_MEASURE O e With a small screwdriver adjust the setpoint trimmer to display the desired value in the range from 3 to 11 pH NS pH 5 8 N e Moved back the switch to the MEASURE position e lose the meter with the rear panel while making sure the gasket is in place before tightening the screws e Whenever the pH reading varies JN more than 0 5 pH from the A setpoint the red alarm LED blinks ronto to warn the user po m 6 4 pH4 pH7 ji 5 D 2 CALIBRATION For the greatest accuracy frequent calibration of the instru ment is recommended In addition the instrument must be recalibrated whenever a The pH electrode is replaced b After testing aggressive chemicals c Where extreme accuracy is required d At least once a month PREPARATION Pour small quantities of pH 7 0 HI 7007 and pH 4 0 HI 7004 solution into two clean beakers For accurate calibration use two beakers for each buffer solution the first one for rinsing the tip of the electrode and the second one for calibration RINSE CALIBRATION a ial rr HI 7007 HI 7007 For the second calibration point the pH 4 0 HI 7004 buffer is recommended if you are going to measure acidic samples while pH 10 0 HI 7010 should be used if samples to be tested are alkaline CALIBRATION
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HANNA 981402 On line Waterproof pH meter with Alarm Instruction Manual