Users Manual
Contents
1. WT 70 ORP Meter Users Manual Mode d emploi Bedienungshandbuch Manual d Uso Manual de uso AAMPROBE WT 70 ORP Meter Users Manual September 2009 Rev 1 2009 Amprobe Test Tools All rights reserved Printed in China Limitation of Liability Your Amprobe product will be free from defects in material and workmanship for 1 year from the date of purchase This warranty does not cover fuses disposable batteries or damage from accident neglect misuse alteration contamination or abnormal conditions of operation or handling Resellers are not authorized to extend any other warranty on Amprobe s behalf To obtain service during the warranty period return the product with proof of purchase to an authorized Amprobe Test Tools Service Center or to an Amprobe dealer or distributor See Repair Section for details THIS WARRANTY IS YOUR ONLY REMEDY ALL OTHER WARRANTIES WHETHER EXPRESS IMPLIED OR STAUTORY INCLUDING IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY ARE HEREBY DISCLAIMED MANUFACTURER SHALL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES ARISING FROM ANY CAUSE OR THEORY Since some states or countries do not allow the exclusion or limitation of an implied warranty or of incidental or consequential damages this limitation of liability may not apply to you Repair All test tools returned for warranty or non warranty repair or for2. maximum value of the memory Fig 4 Fig 4 4 To exit memory recall press REC key gt 2 sec to return to measurement mode All records are retained even the meter is powered off Backlight Press any key to activate the backlight function The backlight turns off automatically after 10 seconds of inactivity Auto power off This meter will shut off automatically 20 minutes of inactivity To disable the auto power off pressing SET HOLD keys simultaneously while turning on the meter until a n appeared on the screen and then release keys to return to normal mode Setup The advanced setup mode lets you customize your meter 7 parameters are available in this model P2 0 Memory Clear P3 0 Electrode data invalid for ORP probe P4 0 PH buffer selection invalid for ORP probe P5 0 READY indication P6 0 Temperature unit P7 0 Real time clock P8 0 Reset To enter SETUP mode hold down SET key gt 1 second while in normal measurement mode Press A or W to select parameters and press ENTER for parameter settings To exit any setting press Esc key Note P1 0 memory transmitting function is not available in this model P2 0 MEMORY CLEAR CLr To clear the stored data press MODE key to select mV unit before entering setup mode While in setup mode press A key to select memory clear function P2 0 CLr icon appears on LCD Fig 5 Press ENTER key to enter P2 1 The default NO
3. E32 Memory IC failure 11 MATERIAL SAFETY DATA SHEET OF SOAK SOLUTION SECTION I IDENTITY INFORMATION Ingredient KCL Chemical Name Potassium monochloride CAS No 7447 40 7 Manufacturer Ajax Finechem http www ajaxfinechem com Phone 61 1300 884 078 Date 2006 04 24 SECTION II PHYSICAL CHEMICAL CHARACTERISTIC Boiling Point Not available Melting Point 773 degree C Vapor Pressure Not available Water Solubility Soluble Appearance Odor Colourless or white crystals odorless SECTION HEALTH HAZARD DATA Route Of Entry Inhalation Ingestion skin and eye absorption Health Hazards Inhalation may cause respiratory tract irritation Irritative to eyes and skin Harmful if swallowed SECTION IV EMERGENCY amp FIRST AID MEASURES Eyes Immediately flush eyes with plenty of water for at least 15 minutes occasionally lift the upper and lower eyelids Get medical aid Skin Remove contaminated clothing and shoes Flush skin with plenty of water for at least 15 minutes Get medical aid Inhalation Remove from exposure to fresh air immediately If not breathing give artificial respiration If breathing is difficult give oxygen Get medical aid Ingestion If swallowed Do NOT induce vomiting Get medical aid if irritation or symptoms occur SECTION V FIRE FIGHTING MEASURES Flash Point Not flammable Special Fire Fighting Procedures Wear self contained breathing apparat
4. calibration should be accompanied by the following your name company s name address telephone number and proof of purchase Additionally please include a brief description of the problem or the service requested and include the test leads with the meter Non warranty repair or replacement charges should be remitted in the form of a check a money order credit card with expiration date or a purchase order made payable to Amprobe Test Tools In Warranty Repairs and Replacement All Countries Please read the warranty statement and check your battery before requesting repair During the warranty period any defective test tool can be returned to your Amprobe Test Tools distributor for an exchange for the same or like product Please check the Where to Buy section on www amprobe com for a list of distributors near you Additionally in the United States and Canada In Warranty repair and replacement units can also be sent to a Amprobe Test Tools Service Center see below for address Non Warranty Repairs and Replacement US and Canada Non warranty repairs in the United States and Canada should be sent to a Amprobe Test Tools Service Center Call Amprobe Test Tools or inquire at your point of purchase for current repair and replacement rates In USA In Canada Amprobe Test Tools Amprobe Test Tools Everett WA 98203 Mississauga ON L4Z 1X9 Tel 888 993 5853 Tel 905 890 7600 Fax 425 446 6390 Fax 905 890 6866 Non Warranty Rep
5. contamination is oil or grease coating clean sensing element with detergent and rinse with distilled water After above treatments put electrode in saturated buffer pH4 01 for 15min and then rinse with distilled water NOTE After cleaning soak the electrode in solution for at least 8 hours Electrode response time and accuracy Sensing element of ORP electrode is made of high purity metal it truly reflects the tested solution s ability of oxidation reduction However slow response time and inaccurate reading may occur from time to time The root cause is an oxidation reduction coating was formed outside the electrode after long time using or storage A simple way to solve this problem is to clean the probe Moreover while the concentration of oxidation reduction matter is low and ion exchange rate is slow they may also cause slow response and inaccurate reading Under this condition it may take 8 24 hours to get a reliable and correct reading Battery Replacement 1 Turn off the meter and open the battery cover 2 Replace the old batteries with four new AAA batteries USB PC INTERFACE CAPABILITIES The USB cable and software are required to transfer data to a pc The USB port is located on the right side of the instrument The USB cable is not included it can be purchased separately as an optional accessory The protocol is Format mxx xxmV Txxx xC F 92007 04 18 18 48 48LRCCRLF Baud rate 9600 bit sec Data bit 8 Stop b
6. icon flashes on LCD Press A key to change and then press ENTER key to confirm NOTE This procedure will clear 99 memories at a time Please consider carefully before delete Fig 5 a P3 0 ELECTRODE ELE invalid for ORP probe This function is invalid in WT 70 with ORP probe P4 0 PH BUFFER buF invalid for ORP probe This function is invalid in WT 70 with ORP probe 6 P5 0 P6 0 P7 0 P8 0 READY indication Use this program to activate READY indication READY icon appears on LCD when the measured reading is stable While in P5 0 press ENTER to go into P5 1 and press A or to switch Ready indicator ON or OFF and then press ENTER to confirm Fig 6 Fig 6 AUI PSB TEMPERATURE UNIT U Use this program to select the temperature unit To display temperature extra temperature sensor TPK 60 is needed While in P6 0 press ENTER to go into P6 1 and press or Y to switch C or F and then press ENTER to confirm Fig 7 Fig 7 e 4 Pb REAL TIME CLOCK rtc In P7 0 press ENTER to go through P7 1 to P7 6 for date and time settings Y M D and H M S will show in turn and corresponding digits will be flashing for further change Press to increase and Y to decrease the numbers and press ENTER key to confirm every setting Reset rSt While in P8 0 press ENTER to go
7. into P8 1 Select n No or y Yes with for data reset to factory default Press ENTER to confirm selection SPECIFICATION mV range 1999mV 1999mV mV resolution 0 1mV 199 9mV 199 9mV 1mV at others mV accuracy 0 2mV 199 9mV 199 9mV 2mV at others Temp range TPK 60 20 70 C 68 158 F Accuracy TPK 60 x0 6 C Operation temp 0 50 C 32 122 F Operation RH 0 80 RH Power Requirements 4pcs AAA EMC Conforms to EN61326 1 This product complies with requirements of the following European Community Directives 89 336 EEC Electromagnetic Compatibility and 73 23 EEC Low Voltage as amended by 93 68 EEC CE Marking However electricalnoise or intense electromagnetic fields in the vicinity of the equipment maydisturb the measurement circuit Measuring instruments will also respond tounwanted signals that may be present within the measurement circuit Usersshould exercise care and take appropriate precautions to avoid misleading results when making measurements in the presence of electronic interference MAINTENANCE AND REPAIR If there appears to be a malfunction during the operation of the meter the following steps should be performed in order to isolate the cause of the problem 1 Check the battery Replace the battery immediately when the symbol appears on the LCD 2 Review the operating instructions for possible mistakes in operating procedure Except for t
8. the electrode Always rinse the electrode in de ionized water before next use Never touch or rub glass bulb to lengthen the electrode life Recommend soak the electrode for at least 30 minutes before using especially if the electrode dries out between uses or after long time unuses UNPACKING AND INSPECTION Your Shipping carton should include 1 WT 70 ORP meter 1 ORP Probe with soak bottle 4 AAA batteries 1 User s Manual If any of the items are damaged or missing return the complete packag to the place of purchase for an exchange INTRODUCTION Congratulations on your purchase of WT 70 ORP water quality meter A convenient instrument to measure water ORP Oxidation Reduction Potential value Features Big LCD display with mV unit Hold function to freeze the record Max Min review of memorized data Backlight for dark environment operation USB connection for data download to a PC Auto power off to save battery power OPERATION Starting Up 1 Install batteries or connect with an adaptor to the power socket 2 Connect ORP electrode to the BNC port on the top of the meter 3 Available parameter for OPR probe mV value NOTE pH unit for ORP probe is meaningless No temp display for ORP probe ORP mV Measurement Taking ORP Oxidation Reduction Potential mV measurements the range is 1999mV to 1999mV Please remove the electrode soak bottle before measurement To ta
9. airs and Replacement Europe European non warranty units can be replaced by your Amprobe Test Tools distributor for a nominal charge Please check the Where to Buy section on www amprobe com for a list of distributors near you Amprobe Test Tools Europe In den Engematten 14 79286 Glottertal Germany tel 49 0 7684 8009 0 Correspondence only no repair or replacement available from this address European customers please contact your distributor Probe socket LCD display Operation keys Adaptor port O a e WT 70 ORP Meter we REC Y N DH N S 888888 VLLL USB port Q Battery cover rear side 7 Tripod mount hole rear side ORP propbe with soak bottle ORP reading in unit mv unit pH is meaningless for ORP Q Low battery indicator READY to indicate the reading is stable 0 es 9 lo O p e O Review maximum and minimum record man LA Freeze display Meter is in recall mode Uae BEB Total numbers of records Real time clock Temperature unit or oF is selectable TPK 60 is needed POWR SET KEY Press key to turn on and off the meter When the meter is on hold down for gt 1 second to enter setting mode CAL ESC KEY While in setting or recall mode pr
10. ess to return to previous mode Calibration is invalid in WT 70 with ORP probe HOLD REC KEY Press key to freeze current reading Press again to unlock Press gt 1 second to switch normal and recall mode When the meter is off press SET HOLD simultaneously gt 1 second to disable auto sleep mode MODE UP KEY Press this key to select unit mV for ORP probe unit pH is meaningless for ORP probe In setting mode press to increase value MEMORY DOWN KEY Press to record current reading Insetting mode press to decrease the value MAX MIN ENTER KEY Press to view the max min of the memory in recall mode In setting mode press to confirm and enter next step WT 70 ORP Meter CONTENTS GC CM Ee 2 UNPACKING AND INSPECTION 2 INIRODUCTION ttr cie ptt tle e ENT antes 2 Features OPERATION zero EL DR 3 AUTO PO WENO ea 5 ORAR 6 1 cid 8 MAINTENANCE AND REPAIR AAA 8 Battery Replacement a ideas 10 USB PC INTERFACE CAPABILITIES AA 10 TROUBLESHOOTING 2 rtr tte bas 10 MID EE 12 SYMBOLS A Caution Refer to the explanation in this Manual Conforms to relevant Australian standards Complies with European Directives E Do not dispose of this product as unsorted municipal waste A Warning and precaution Please always keep the electrode glass bulb wet by using the soak bottle to protect and store
11. he replacement of the battery repair of the meter should be performed only by a Factory Authorized Service Center or by other qualified instrument service personnel The front panel and case can be cleaned with a mild solution of detergent and water Apply sparingly with a soft cloth and allow to dry completely before using Do not use aromatic hydrocarbons Gasoline or chlorinated solvents for cleaning ORP PROBE Preparation Remove the soaking bottle Soak the electrode into distilled water and rinse then take out and make dry Do not rub sensing element forcibly Now the electrode is ready for use Test the electrode Connect ORP electrode to meter Immerse electrode in pH7 00 buffer solution with saturated quinhydrone After stirring mV reading E1 should be 86 15mvV Rinse electrode with distilled water then set it in buffer solution of pH4 01 with saturated quinhydrone After stabilizing record mV meter reading E2 The difference between E1 and E2 should be around 165mV Storage Rinse the electrode with distilled water during the interval of each use Keep ORP electrode wet in the provided soaking bottle which is filled with soaking solution ORP electrode cleaning If sensing element got contaminated it will result in slow response and inaccurate reading Clean it as following If contamination is a mineral matter put sensing element in HCL solution 0 1N for 10 minutes and then rinse it with distilled water If the
12. it 1 Parity none TROUBLESHOOTING Power on but no display Make sure you press power key more than 0 3 Second Check the battery conditions and replace if necessary Move batteries away for one minute and then re install Display disappear Check whether the low battery icon is appeared before the display is off If yes replace with new batteries Unstable reading Stir the solution to make homogeneous status and make sure the sensor is completely immersed in solution Make sure the measurement is processed in container Clean or re calibrate or replace with a new probe Move to another room and try again it is supposed that the unstable reading is caused by strong RF interference field The reading is not changed e f the status is in HOLD release the status The reading is not changed Clean and re calibrate the probe Replace with a new probe Slow response Clean and re calibrate the probe Replace with a new probe Wrong real time The wrong real time display will not affect the measurement Contact the distributor to purchase battery and acquire replacement procedures Error code E02 Reading is under the lower limit E03 Reading is over the upper limit E04 The original data error result in this error E12 Factory calibration data error Solution Re start meter might solve this error E31 Measuring circuit failure Solution Re start meter might solve this error
13. ke the readings Rinse the probe with de ionized or distilled water before use to remove any impurities adhering to the probe N Press POWER key to power on the meter and press MODE key to select mV measurement LA Dip the electrode into the sample the electrode must be completely immersed into the sample Stir the probe gently to create a homogenous sample 4 Wait until READY icon appear Fig 1 Fig 1 READ Boor 5 8 28 28 Hold Function To freeze the current readings while in normal measurement mode To hold the readings press HOLD key in measurement mode HLD appears on the display To release the holding value press HOLD key again Fig 2 Fig 2 48g Memory Record The meter can store 99 point mV records To record 1 In any measurement or HOLD mode press key to save data 2 Memory number amp measured value will flash then return to measurement mode Fig 3 New data can not be saved if the memory is full To continuously save new memory it is needed to clear up existing 99 memories Fig 3 pop e mV 1 H M S08 3828 READ 3 Memory Recall Recall function can review previous saved record To recall record 1 Press REC key 2 seconds to enter recall mode REC icon will flash on the LCD 2 Press A or V key review memory one by one 3 Press MI MX key to view the minimum amp
14. n Will not occur Materials To Avoid None known DISCLAIMER The above information is transferred to this format by Amprobe from the Material Safety Data Sheet supplied by the manufacturer identified in Section If you have any questions related to the material provided herein contact the manufacturer directly at the phone number given in Section I Amprobe does not in any way represent itself as an expert in the chemical described in this MSDS and assume in liability for any incomplete or inaccurate information contained herein 13 Visit www Amprobe com for e Catalog Application notes e Product specifications e User manuals e Please Recycle
15. us and protective clothing to prevent contact with skin and clothing Unusual Fire amp Explosion Hazards Not combustible 12 SECTION VI EXPOSURE CONTROLS PERSONAL PROTECTION Wear appropriate protective eyeglasses or chemical safety goggles Wear appropriate protective gloves to prevent skin exposure Wear appropriate protective clothing to minimize contact with skin Use NIOSH MSHA or European standard EN149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced SECTION VII HANDLING AND STORAGE Handling Avoid generating dust Use smallest possible amounts in designated areas with adequate ventilation Have emergency equipment for fires spills leaks etc readily available Label containers Keep containers closed when not in use Wear appropriate protective equipment to prevent inhalation skin and eye contact Ensure a high level of personal hygiene is maintained when using this product That is always wash hands before eating drinking smoking or using the toilet Storage Store in a cool dry well ventilated area out of direct sunlight and moisture Store in labelled containers Keep containers tightly closed Store away from bases water and other incompatible materials Have appropriate fire extinguishers available in and near the storage area SECTION VIII REACTIVITY DATA Stability Stable under normal temperature and pressures Hazardous Polymerizatio
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