background image

 

- 24 - 

 

2. Long press 

  key to enter calibration mode, as 

shown in left graph. Rinse probe in purified water, 
remove excess water by shaking or filter paper. Press 

  key to confirm.

 

 

3. Submerge probe in 10μS/cm standard solution. Stir 

the solution briefly and allow it to stay in the buffer 

solution until 

  appears and stays. Press 

 

or 

  key to adjust measuring value 

to10.00μS/cm. Press 

  key to finish calibration. 

 

 

Calibration completed, instrument goes back to 
measurement mode. 

 

 

 

Only 1-point calibration for customized calibration. The conductivity value of customized solution is 
a value in a certain fixed temperature. There is no regulation of temperature coefficient or reference 
temperature. Calibration and measurement must be performed at the same temperature to avoid 
significant error. 

 

The meter does not have the function to recognize customized calibration solution.

 

 

In  manual  temperature  compensation  mode,  the  temperature  value  should  be  adjusted  before 
conducting calibration. It can not be adjusted during calibrating process.

 

 
 

7.5 

Self-diagnosis information 

During  the  process  of  calibration,  the  meter  has  self-diagnosis  functions,  see  chart  –  8  for  detailed 
information. 

 

 
 
 
 
 
 

Diagram-9

 

Содержание 28APE190105/AI5610

Страница 1: ...1 PH910 Benchtop pH Meter Instruction Manual PH910 Benchtop pH Meter EC910 Benchtop Cond Meter PC910 Benchtop pH Cond Meter APERA INSTRUMENTS Europe GmbH www aperainst de...

Страница 2: ...ibration related information 14 5 3 pH meter calibration take three point calibration as an example 16 5 4 Customized calibration take 2 00pH and 7 30pH calibration solution as an example 17 5 5 Self...

Страница 3: ...s of PC Link 29 10 Recommended pH Electrodes for Specific Applications 30 11 Recommended Conductivity Electrodes for Specific Applications 31 12 Warranty 31 Notes When the meter is connected to PC do...

Страница 4: ...Multi language operating system English German Chinese Smiling icon indicates the reading stability including automatical lock function With built in microprocessor chip the meter has intelligent func...

Страница 5: ...LabSen211 glass pH combination electrode 1 2 6 MP500 temperature probe 1 2 7 2301T F conductivity electrode ATC K 1 0 1 2 8 pH buffer solution 4 00 7 00 10 01pH 50mL 1 bottle each 2 9 Conductivity sta...

Страница 6: ...ranges automatically switch measuring range 0 19 99 S cm 20 0 199 9 S cm 200 1999 S cm 2 00 19 99 mS cm 20 0 199 9 mS cm TDS 0 100 g L Salinity 0 100 ppt EC910 PC910 Resolution 0 01 0 1 1 S cm 0 01 0...

Страница 7: ...n Date and time Auto data log Storage icon and number Conductivity measurement interface Conductivity measurement Conductivity measuring value and unit Temperature measuring value Conductivity paramet...

Страница 8: ...surement interface 4 2 Keypad functions Diagram 1 Keypad operation mode Short press Press the 2s buzzer makes a beep Long press Press key 2s buzzer makes a beep when pressing the button another beep w...

Страница 9: ...key to enter parameter setup In parameter setup mode press key to confirm parameter change In temperature adjustment mode press key to confirm temperature value Short press In measurement mode press k...

Страница 10: ...n see Diagram 4 b In HOLD mode press key to cancel auto lock 4 5 Data storage recall and delete 4 5 1 Storage a Manual data logger Set auto timing to 00 00 00 Press key to store icon 6 displays on the...

Страница 11: ...ry three minutes one set of data will be stored and the storage number will be automatically increased Press again to stop auto data logger In this mode the manual data logging is invalid 4 5 2 Recall...

Страница 12: ...ncentration solutions etc specialized pH electrodes are necessary in order to achieve reliable results Regular pH electrodes in these special applications usually would generate inaccurate and unstabl...

Страница 13: ...urement will be reached fast 5 Perform at least a two point calibration before measuring after connecting the new electrode to your pH meter 6 After using put the electrode back into the storage bottl...

Страница 14: ...tored We recommend replacing your electrode every 12 18 months to ensure the best performance 5 2 pH calibration related information 5 2 1 Standard buffer solution The instrument adopts three series s...

Страница 15: ...point calibration 2 Display last calibration data in pH submenu clause 1 3 5 2 4 Calibration frequency The frequency that you need to calibrate your meter depends on the tested samples condition of el...

Страница 16: ...rs and stays Press key to finish calibration Rinse pH probe in purified water allow it to dry by shaking or filter paper Press key to confirm If only need one point calibration press key to return to...

Страница 17: ...measurement mode 2 Long press key to enter calibration mode as shown in left graph Rinse pH probe in purified water remove excess water by shaking or filter paper Press key to confirm 3 Submerge prob...

Страница 18: ...d temperature The meter has to perform calibration and measurement at the same temperature to avoid error d In manual temperature compensation mode the temperature value should be adjusted before cali...

Страница 19: ...5 6 1 Rinse pH probe in purified water allow it to dry and submerge it in tested solution Stir the solution briefly and allow it to stay in the tested solution until icon appears on LCD and a stable...

Страница 20: ...ng obtained is ORP value ORP stands for Oxidation Reduction Potential It means oxidation reduction potential of solution ORP is the measurement index for the oxidation reduction ability of water solut...

Страница 21: ...urement will be reached fast For other conductivity electrodes testing low or high range solutions please refer to section 10 7 1 2 Conductivity probe constant The meter can use with conductivity prob...

Страница 22: ...setting clause 2 4 7 2 4 Temperature coefficient Factory set temperature compensation coefficient of the meter is 2 0 However the conductivity temperature coefficient is different from that of varous...

Страница 23: ...ess key to finish calibration 3 Calibration completed instrument goes back to measurement mode For mulit point calibration please repeat above 1 3 step until all the calibration is done The meter can...

Страница 24: ...for customized calibration The conductivity value of customized solution is a value in a certain fixed temperature There is no regulation of temperature coefficient or reference temperature Calibratio...

Страница 25: ...solution until a stable reading is reached and icon appears and stays on LCD screen The reading is the conductivity value of the solution Diagram 10 is the calibration and measurement process of condu...

Страница 26: ...meter will be calibrated to the theory value Some function settings restore to the original value refer to clause 2 7 When calibration or measurement fails please restore the meter to factory default...

Страница 27: ...ain menu item submenu press or key to select submenu items parameter press key to open parameter press or key to select parameter items or parameter value press key to confirm press key to return to m...

Страница 28: ...t 10 1 0 0 1 1 0 2 2 CAL solution selection CH Standard User Standard 2 3 The last calibration data View 2 4 Reference temperature 15 30 C 25 C 2 5 Temp compensation factor 0 00 10 00 2 0 2 6 TDS fact...

Страница 29: ...e display If manual data logger is selected press data will be uploaded to the computer if auto timing data logger is selected press data will be uploaded to the computer by the certain timing you set...

Страница 30: ...ts milk cream yogurt mayo etc LabSen 823 LabSen 821 High Temperature liquid LabSen 861 Low temperature liquid LabSen 881 Meat LabSen 763 LabSen 761 Micro sample testing LabSen 241 6 LabSen 241 3 LabSe...

Страница 31: ...ilure to follow the product instructions or to perform any preventive maintenance modifications combination or use with any products materials processes systems or other matter not provided or authori...

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