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handylab pH 11

Operation

15

ba75366e04

01/2011

4

Operation

4.1

Switching on the measuring instrument

Note

The measuring instrument has an energy saving feature to avoid unneces-
sary battery depletion. The energy saving feature switches the measuring in-
strument off if no key has been pressed for an hour. The energy saving
feature is not active when the AutoStore function is active.

1

Press the

<ON/OFF>

key.

The display test appears briefly on the display.
Subsequently, the slope and asymmetry used appear for ap-
prox. one second one after the other. In addition, the calibration
procedure of the last calibration is shown (

AutoCal TEC

or

AutoCal DIN

or no display in the delivery state or following ini-

tialization).
The measuring instrument then automatically switches to the
measuring mode that was last selected.

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Содержание handylab pH 11

Страница 1: ...ba75366d04 01 2011 Operating manual handylab pH 11 pH Meter AR O CAL PH 6 4 2 9 9 2 6 C TP M...

Страница 2: ...ns Warranty We guarantee the instrument described for 3 years from the date of purchase The instrument warranty covers manufacturing faults that are discov ered within the warranty period The warranty...

Страница 3: ...issioning 13 3 1 Scope of delivery 13 4 Operation 15 4 1 Switching on the measuring instrument 15 4 2 Measuring 16 4 2 1 General information 16 4 2 2 Measuring the pH value 17 4 2 3 Measuring the ORP...

Страница 4: ...List of contents handylab pH 11 4 ba75366e04 01 2011...

Страница 5: ...ts rapidly and reliably The handylab pH 11 provides the maximum degree of operating comfort re liability and measuring certainty for all applications The proven calibration procedures and the special...

Страница 6: ...pH value ORP voltage Switch measuring instrument on off ON OFF Calibration of the current measured variable CAL Activate deactivate the AutoRead function AR Select the measuring mode Increase values...

Страница 7: ...lowed SELV and current circuit with current limiting Nearly all electrodes especially SI Analytics electrodes fulfill these condi tions 1 pH electrode or single rod measuring electrode 2 Reference ele...

Страница 8: ...Approx 0 3 Type of protection IP 66 Protective class III cETLus CE Storage 25 C 65 C Operation 10 C 55 C Relative atmospheric humidity 90 of annual average Measuring range Resolution pH 2 000 19 999 2...

Страница 9: ...s A Equipment Statement 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 r...

Страница 10: ...Overview handylab pH 11 10 ba75366e04 01 2011...

Страница 11: ...s The individual chapters of this operating manual use safety instructions such as the label shown below to indicate various hazards or dangers Caution indicates instructions that must be followed pre...

Страница 12: ...nviron ment the formation of condensate can lead to the faulty functioning of the in strument In this event wait until the temperature of the instrument reaches room temperature before putting the ins...

Страница 13: ...H 11 Commissioning 13 ba75366e04 01 2011 3 Commissioning 3 1 Scope of delivery z Handheld meter handylab pH 11 z Operating manual and short operating manual z 4 batteries 1 5 V Mignon type AA in the i...

Страница 14: ...Commissioning handylab pH 11 14 ba75366e04 01 2011...

Страница 15: ...The energy saving feature is not active when the AutoStore function is active 1 Press the ON OFF key The display test appears briefly on the display Subsequently the slope and asymmetry used appear f...

Страница 16: ...mpera ture sensor used Therefore you can connect temperature sensors of the NTC30 or Pt1000 type The temperature measurement is absolutely essential for a reproducible pH measurement If the measuremen...

Страница 17: ...ing to section 4 2 1 2 Immerse the pH electrode in the test sample 3 Press the M key until pH appears on the status display The pH value appears on the display mV pH mol L 8 Auto Store TempError RCL L...

Страница 18: ...ORP electrodes are not calibrated However you can check ORP electrodes using a test solution 1 Perform the preparatory activities according to section 4 2 1 2 Immerse the ORP electrode in the test sa...

Страница 19: ...to a single point calibration For this the instrument uses the Nernst slope 59 2 mV pH at 25 C and determines the asymmetry of the electrode AutoCal DIN is specially adapted to the permanently progra...

Страница 20: ...the electrode The asymmetry and slope are evaluated sep arately The worst evaluation appears on the display Preparatory activities Display Asymmetry mV Slope mV pH 15 15 60 5 58 20 20 58 57 25 25 61 6...

Страница 21: ...evant buffer nominal value or the current elec trode voltage in mV Note Skip the steps 2 7 and 14 if you use a temperature sensor 1 Press the CAL key repeatedly until the Ct1 display indicator and the...

Страница 22: ...nd buffer solution 9 Press the RUN ENTER key The AR display indicator flashes The electrode voltage mV or the buffer nominal value ap pears on the display Example cm 3 7 F 0 Cal Tref20 Lin 0 Cal Tref2...

Страница 23: ...ef25 ARng AutoCal DIN Tref25 Auto AutoCal DIN ARng Tref20 Lin F cm 1 1 cm AR AR RCL RCL O O UpH UpH Sal Sal Store Store Auto LoBat LoBat nLF nLF Sal Sal mg l mg l mV pH mV pH cm cm m m S S cm cm K K M...

Страница 24: ...er the temperature of the third buffer solution with 15 Immerse the pH electrode in the third buffer solution 16 Press the RUN ENTER key The AR display indicator flashes The electrode voltage mV or th...

Страница 25: ...and 14 if you use a temperature sensor 1 Press the CAL key repeatedly until the display Cd1 and the function display AutoCal DIN appear The sensor symbol dis plays the evaluation of the last calibrat...

Страница 26: ...nd buffer solution 9 Press the RUN ENTER key The AR display indicator flashes The electrode voltage mV or the buffer nominal value ap pears on the display Example AutoCalTEC AutoCalTEC F 0 Cal Tref20...

Страница 27: ...displays the value of the asymmetry in calibration range I AutoCalTEC AutoCalTEC F 0 Cal Tref20 Lin 0 Cal Tref25 ARng Tref25 Auto ARng Tref20 Lin F cm 1 1 cm AR AR RCL RCL O O UpH UpH Sal Sal Store S...

Страница 28: ...er the temperature of the third buffer solution with 15 Immerse the pH electrode in the third buffer solution 16 Press the RUN ENTER key The AR display indicator flashes The electrode voltage mV or th...

Страница 29: ...key repeatedly until the display ASY and the function display ConCal appears The sensor symbol displays the evaluation of the last calibration or no sensor symbol in the delivery state or after the m...

Страница 30: ...olution 11 Press the RUN ENTER key The second pH value appears on the display 12 Set the measured value to the nominal pH value of the buffer solution at the current temperature with 13 When the measu...

Страница 31: ...handylab pH 11 Operation 31 ba75366e04 01 2011 15 To return to the measuring mode Press the M key...

Страница 32: ...uring the pH calibration Display during the pH calibration Buffer nominal value or current electrode voltage pH resolution 0 01 or 0 001 1 Switch off the measuring instrument 2 Press the M key and hol...

Страница 33: ...he resolution 1 Press the RUN ENTER key and hold it down 2 Press the M key The measured values are displayed with a high resolution e g pH 4 012 3 Press the RUN ENTER and M keys once more The measured...

Страница 34: ...H Asymmetry 0 mV Slope 59 16 mV pH Calibration procedures AutoCal TEC Temperature manual 25 C Resolution pH display 0 01 low resolution Display during the pH calibration Buffer nominal value 1 Press t...

Страница 35: ...s Caution Make sure that the poles of the batteries are the right way round The signs on the batteries must correspond to the signs in the battery compartment Only use leakproof alkaline manganese bat...

Страница 36: ...otective transport packing We recommend Keep the packing material The original packing protects the instrument against damage during transport Batteries This note refers to the battery regulation that...

Страница 37: ...Gel 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 Re...

Страница 38: ...ons Cause Remedy 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...

Страница 39: ...e difference between buffer and test sample too high Adjust temperature of buffers or test samples Measurement procedure not suitable Follow special procedure Cause Remedy Operating condition undefine...

Страница 40: ...What to do if handylab pH 11 40 ba75366e04 01 2011...

Страница 41: ...eviations explains the indicators and the abbreviations that ap pear on the display and in the manual Specialist terms The glossary briefly explains the meaning of the specialist terms However terms t...

Страница 42: ...ection of the buffer data record for buffer solutions prepared according to DIN 19 266 ConCal Conventional single point or two point calibration for pH measurements Ct Display indicator during calibra...

Страница 43: ...ore difficult The ex pression junction is also used for ground or junction less transitions Electrode zero point The zero point of a pH electrode is the pH value at which the electro motive force of t...

Страница 44: ...ality The practical pH value is the value of a pH measurement Potentiometry Name of a measuring technique The signal depending on the mea sured parameter of the electrode is the electrical potential T...

Страница 45: ...ation 34 K Keys 6 L LoBat 38 M Measuring ranges pH ORP 8 O Operating safety 12 ORP electrode 18 ORP voltage 18 R Replacing the batteries 35 Reset 34 S Safety 11 Safety precautions 11 Scope of delivery...

Страница 46: ...Index handylab pH 11 46...

Страница 47: ......

Страница 48: ...SI Analytics GmbH Postfach 2443 D 55014 Mainz Hattenbergstr 10 D 55122 Mainz Email support Telefon 49 0 61 31 66 5111 Telefax 49 0 61 31 66 5001 si analytics com Internet www si analytics com...

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