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Summary of Contents for WT-70

Page 1: ...Users Manual Mode d emploi Bedienungshandbuch Manual d Uso Manual de uso WT 70 ORP Meter ...

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Page 3: ...WT 70 ORP Meter Users Manual September 2009 Rev 1 2009 Amprobe Test Tools All rights reserved Printed in China English ...

Page 4: ... 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 return...

Page 5: ...WT 70 ORP Meter 1 2 3 4 Probe socket LCD display Operation keys Adaptor port 5 6 7 8 USB port Battery cover rear side Tripod mount hole rear side ORP propbe with soak bottle ...

Page 6: ... recall mode press 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 1 second to switch normal and recall mode When the meter is off press SET HOLD simultaneously 1 second to disable auto sleep mode ㄡ MODE UP KEY Press this key to select unit mV for ORP probe unit pH is meaningless for ORP probe In...

Page 7: ...S SYMBOLS 2 UNPACKING AND INSPECTION 2 INTRODUCTION 2 Features 3 OPERATION 3 Auto Power Off 5 Set Up 6 SPECIFICATION 8 MAINTENANCE AND REPAIR 8 Battery Replacement 10 USB PC INTERFACE CAPABILITIES 10 TROUBLESHOOTING 10 MSDS 12 ...

Page 8: ...ential value Caution Refer to the explanation in this Manual Conforms to relevant Australian standards Complies with European Directives Do not dispose of this product as unsorted municipal waste Warning and precaution SYMBOLS Please always keep the electrode glass bulb wet by using the soak bottle to protect and store the electrode Always rinse the electrode in de ionized water before next use Ne...

Page 9: ... 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 take the readings 1 Rinse the probe with de ionized or distilled water before use to remove any impurities adhering to the probe 2 Press POWER key to power on the mete...

Page 10: ...lding value press HOLD key again Fig 2 Memory Record The meter can store 99 point mV records To record 1 In any measurement or HOLD mode press MEM key to save data 2 Memory number 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 2 Fig 3 ...

Page 11: ...ll press REC key 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 ...

Page 12: ...ote 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 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 icon flashes on LCD Press key to change and then press ENTER key to confirm NOTE T...

Page 13: ...nsor TPK 60 is needed While in P6 0 press ENTER to go into P6 1 and press or to switch C or F and then press ENTER to confirm Fig 7 P7 0 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 to decrease the numbers and press ENTER key to confi...

Page 14: ...cuit 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 ...

Page 15: ... 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 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 solu...

Page 16: ... 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 statu...

Page 17: ...e 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 ...

Page 18: ...es and skin Harmful if swallowed SECTION IV EMERGENCY 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 gi...

Page 19: ...s 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 Sta...

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