wtw pH 315i Operating Manual Download Page 1

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ba52308e02

03/2004

Handheld meter

pH 315i

52308e

Operating manual

9 9

CAL

pH measuring instrument

Summary of Contents for pH 315i

Page 1: ...ba52308e02 03 2004 Handheld meter pH 315i ba52308e Operating manual PH 6 4 2 9 9 6 C TP AR CAL M O pH measuring instrument...

Page 2: ...se The instrument warranty covers manufacturing faults that are discov ered within the warranty period The warranty does not cover compo nents that are replaced during maintenance work e g batteries T...

Page 3: ...missioning 11 4 Operation 13 4 1 Switching on the measuring instrument 13 4 2 Measuring 14 4 2 1 Measuring the pH value 15 4 2 2 Measuring the ORP voltage 16 4 3 Calibrating 17 4 3 1 AutoCal TEC 19 4...

Page 4: ...List of contents pH 315i 4...

Page 5: ...l applications The proven MultiCal calibration procedure and the special AutoRead function support you in your work with the pHhandheld meter Note If you need further information or application notes...

Page 6: ...of equipment You will find additional information on this and other accessories in the WTW catalog or via the Internet Set sample configuration 1 Measuring instrument pH 315i 2 Stand 3 KCI solution fo...

Page 7: ...AR CAL M Select the measuring mode M pH value ORP voltage Switch measuring instrument on off ON OFF Calibrate select the calibration proce dure CAL Activate deactivate the AutoRead function AR Confir...

Page 8: ...imiting Almost all electrodes in particular WTW electrodes fulfill these con ditions 1 pH electrode 2 Reference electrode 3 Temperature probe F S ConCal Auto Store Time Baud Day Month No Ident Year RC...

Page 9: ...tors will know the necessary safety precautions to take when handling chemicals Symbols used Warning indicates instructions that must be followed to prevent damage to your instrument Note indicates no...

Page 10: ...e formation of condensate can lead to the faulty func tioning of the instrument In this event wait until the temperature of the instrument reaches room temperature before putting the instrument back i...

Page 11: ...ing Scope of delivery l Handheld meter pH 315i l Operating manual and short operating manual l 4 batteries 1 5 V Mignon type AA in the instrument For details of scope of delivery of SETs see chapter 1...

Page 12: ...Commissioning pH 315i 12...

Page 13: ...are used appear for approx one second one after the other In addition the calibration proce dure of the last calibration is shown AutoCal TEC or AutoCal DIN or no display in the delivery state or aft...

Page 14: ...on the display by TP If you nevertheless use an electrode without a temperature probe the instrument operates with a reference temperature of 25 C Thus the sample and calibration solution must have th...

Page 15: ...ing the current value by pressing RUN ENTER 1 Perform the preparatory activities according to section 4 2 2 Immerse the pH electrode into the test sample 3 Press the M key until pH appears on the stat...

Page 16: ...s using a test solution 1 Perform the preparatory activities according to section 4 2 2 Immerse the ORP electrode in the test sample 3 Press the M key until U appears on the status display The ORP vol...

Page 17: ...ted after the first buffer solu tion This corresponds to a single point calibration To do this the instrument uses the standard slope 59 2 mV pH at 25 C and deter mines the asymmetry of the electrode...

Page 18: ...58 20 20 58 57 25 25 61 60 5 or 57 56 Clean the electrode according to the electrode operating manual 30 30 62 61 or 56 50 E3 Eliminate the error according to chapter 6 WHAT TO DO IF 30 or 30 62 or 5...

Page 19: ...ection 4 4 CONFIGURATION the instrument displays the relevant buffer nomi nal value or the current electrode voltage in mV 1 Press the CAL key repeatedly until the Ct1 display indicator and the functi...

Page 20: ...tore TempError RCL LoBat CalError ARng ConCal Time Baud Day Month No Ident Year 1 F S mg L ppm ISE 8 4 2 C TP mV pH mol L 8 Auto Store TempError RCL LoBat CalError ARng ConCal Time Baud Day Month No I...

Page 21: ...y mV appears on the display 10 Change to the measuring mode with M or proceed to the three point calibration with RUN ENTER 0 L s TP C ConCal AR AutoCal DIN mol L 8 Auto Store RCL LoBat CalError ARng...

Page 22: ...pH appears on the display The probe symbol shows the evaluation of the current calibration three point cal ibration CalError ARng AR AutoCal DIN LoBat 8 mV pH 8 1 U F S ConCal Auto Store Time Baud Da...

Page 23: ...bration is complete 0 L s TP C ConCal AR AutoCal DIN mol L 8 Auto Store RCL LoBat CalError ARng Time Baud Day Month No Ident Year 1 U F S TempError mg L ppm ISE pH 1 59 AutoCal TEC mV pH y s a RCL AR...

Page 24: ...sensor symbol in the delivery state or after the measurement parameter has been reset 2 Immerse the pH electrode in the first buffer solution 3 Press the RUN ENTER key The AR display indicator flashe...

Page 25: ...le 8 When the measured value is stable AR disappears The value of the slope mV pH appears on the display The probe symbol shows the evaluation of the current calibration two point cali bration AutoCal...

Page 26: ...t calibration with RUN ENTER AutoCal TEC 0 L s TP C ConCal AR mol L 8 Auto Store RCL LoBat CalError ARng Time Baud Day Month No Ident Year 1 U F S TempError mg L ppm ISE pH 0 59 mV pH AutoCal DIN Auto...

Page 27: ...pH appears on the display The probe symbol shows the evaluation of the current calibration three point cal ibration CalError ARng AR AutoCal DIN LoBat 8 mV pH 8 1 U F S ConCal Auto Store Time Baud Da...

Page 28: ...bration is complete AutoCal TEC 0 L s TP C ConCal AR mol L 8 Auto Store RCL LoBat CalError ARng Time Baud Day Month No Ident Year 1 U F S TempError mg L ppm ISE pH 4 59 mV pH AutoCal DIN AutoCal TEC...

Page 29: ...ly on the display Afterwards the measuring instrument switches automatically to the setting of the display during the pH calibration 4 Select the required display during the pH calibration with CAL mV...

Page 30: ...Resolution of pH display 0 01 low resolution 1 Press the RUN ENTER key and hold it down 2 Press the CAL key 3 Confirm with RUN ENTER The settings are reset The pH meter switches to the pH measuring m...

Page 31: ...e sure that the poles of the batteries are the right way round The signs on the batteries must correspond to the signs in the bat tery compartment Only use leakproof alkaline manganese batteries 1 Ope...

Page 32: ...port packing We recommend Keep the packing material The original packing pro tects the instrument against damage during transport Batteries This note refers to the battery regulation that applies in t...

Page 33: ...el electrolyte dried out Replace electrode Cause Remedy Electrode Diaphragm contaminated Clean diaphragm Membrane contaminated Clean membrane Moisture in the plug Dry plug Electrolyte out of date Repl...

Page 34: ...dy pH electrode Diaphragm contaminated Clean diaphragm Membrane contaminated Clean membrane Test sample pH value not stable Measure with air excluded if necessary Temperature not stable Adjust tempera...

Page 35: ...itable electrode Temperature difference between buffer and test sample too high Adjust temperature of buffers or sample Measurement procedure not suitable Follow special procedure Cause Remedy Operati...

Page 36: ...What to do if pH 315i 36...

Page 37: ...ble relative hu midity Yearly mean 75 30 days year 95 Other days 85 Measuring range Resolution pH 2 000 16 000 2 00 16 00 0 001 0 01 U mV 999 9 999 9 1999 1999 0 1 1 T C 5 0 105 0 0 1 pH 2 pH units fr...

Page 38: ...ment Note This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protectio...

Page 39: ...lains the indicators and the abbreviations that appear on the display and in the manual Specialist terms The glossary briefly explains the meaning of the specialist terms How ever terms that should al...

Page 40: ...Display indicator during calibration for pH mea surements Indicates the selection of the buffer data record for buffer solutions prepared according to DIN 19 266 Ct Display indicator during calibratio...

Page 41: ...e difficult The ex pression junction is also used for ground or junction less transitions Electrode voltage The electromotive force U of the electrode is the measurable electro motive force of an elec...

Page 42: ...activity divided by the unit of the molality The practical pH value is the value of a pH measurement Reference temperature Fixed temperature value to compare temperature dependent mea sured values For...

Page 43: ...8 Displaying calibration data 17 Drift control 15 E Error messages 33 I Initialization 30 J Jack field 8 K Keys 7 L LoBat 34 O Operating safety 10 ORP electrode 16 ORP voltage 16 R Replacing the batte...

Page 44: ...Index pH 315i 44...

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