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Operation Manual

Sartorius Docu-pH

Meter

, Docu-pH+

Meter

Docu-pH, Docu-pH+, pH/mV Meter

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Summary of Contents for Docu-pH

Page 1: ...Operation Manual Sartorius Docu pHMeter Docu pH Meter Docu pH Docu pH pH mV Meter ...

Page 2: ...Français page xx Español page xx Italiano page xx 2 ...

Page 3: ...ode 19 Deleting Calibration Data 20 Docu pH Meter Model Calibration with Cal Reminder 21 Operating the Meter Measurement 21 ATC Probe 21 Lock Function 21 Fast Mode Shorter Measurement Time 22 Measuring the pH 22 Measuring Redox Potential 23 Docu pH Meter Model Saving Measured Data 26 Electrode with DocuClip 28 Interpreting Calibration Curves 29 Temperature Compensation 30 Docu pH Meter Model Data ...

Page 4: ...ctions via LCD and softkeys Electrode operation with DocuClip Previous calibrations are traceable Docu pH Meter Serial interface for data transfer to PC or printer Docu pH Meter Data storage capacity 500 datasets Symbols The following symbols are used in these instructions indicates required steps indicates required steps but only under certain conditions describes what happens after you perform a...

Page 5: ...AC adapter make sure the voltage rating printed on the AC adapter is identical to your local line voltage If you transport your pH mV meter from a cold to a warm environment condensation may occur and your pH mV meter may malfunction In cases like this allow the meter s temperature to reach the room temperature prior to using it again Use Sartorius accessories as these are optimally designed for u...

Page 6: ...ly for the Docu pH Meter z key Print Save 5 e key On off 6 Jack for ATC probe 7 Female connector for intelligent DocuClip electrode with automatic recognition capability 8 BNC connector for pH or ORP redox electrode 9 Power jack for AC adapter 10 Only with the Docu pH Meter Serial interface 11 m key Access to Settings 12 Q key Calibration ...

Page 7: ... the best protection for shipment Before packing your portable meter unplug all connected cables to prevent damage Equipment Supplied The equipment supplied includes the components listed below pH meter AC adapter Electrode holding arm Technical buffers pH 4 00 and 7 00 at 25 C One capsule each for producing 100 ml of buffer solution pH 4 00 ml and pH 7 00 The pH mV meter is also available in sets...

Page 8: ...rm Position the electrode arm holder on the left if necessary Unscrew the 2 screws on the bottom of the pH mV meter Position the black plate with the mounting on the other side Use the two screws to secure the plate back into place 8 ...

Page 9: ...nnector Sartorius electrodes with DocuClip The Docu pHMeter automatically recognizes the types of the ACT probes at the temperatures listed below NCT10 kohm 14 C to 76 C NCT30 kohm 5 C to 40 C PT1000 4 C to 105 C Installation 1 Remove the protective cover from the electrode 2 Prior to first use of the pH electrode soak it overnight in an electrode filling solution or electrode storage solution 3 m...

Page 10: ...is portable meter is 0 1 mV month since the most recent calibration Connect the electrode to the input connector 1 on the meter push in and twist to lock For accurate measurements you can connect an additional ATC probe to the ATC port 2 Female connector for Sartorius DocuClip 3 Automatic electrode recognition automatic documentation and storage of calibration data 4 Rinse and blot dry electrodes ...

Page 11: ... when in use and closed when the electrode is in storage Refill with filling solution when the internal solution drops to 1 inch approx 25 mm below the filling hole Equipment Supplied Docu pH P12 and P20 and P23 The electrode supplied is a low maintenance gel filled electrode that cannot be refilled ...

Page 12: ...nction English factory setting Fast mode German Deutsch Settings French Français Docu pH only data memory Spanish Español Italian Italiano Example Selecting the Language French Step Press key Display 1 Turn meter on if required e 2 Select default m 3 Select setup Press q softkey repeatedly and confirm O softkey 4 Confirm language O softkey 5 Select French Francais Press twice or repeatedly and con...

Page 13: ... Yes No Save interval Minutes 0 0 Seconds 0 0 Calibration pH Calibration dataset Slope functions Zero point Buffer Cal reminder Days 00 Hours 00 Calibration Yes Clear No Select buffer set 1 68 4 01 6 86 4 7 10 2 4 7 10 12 Data DocuClip electrode connected mV Calibration dataset mV zero point Calibration interval Days 00 Hours 00 Calibration Yes Clear No Data DocuClip electrode connected More See n...

Page 14: ...ity None Mark Space Odd Even Stop bits 1 Stop bit 2 Stop bits Handshake Hardware Software Number 7 bits Databits 8 bits Language English Deutsch Français Español Italiano Temp Celsius units Fahrenheit Kelvin Resolution 0 1 pH 1 mV depends on 0 01 pH 0 1 mV pH or mV 0 001 pH Factory Yes setting No Lock On function Off Static display Fast mode On Shorter Off measuring time 14 ...

Page 15: ...ad calibration dataset see also Chapter Default Settings 2 Then print out the calibration result by pressing the z key ATC Probe Calibration can be carried out with or without an ATC probe If an ATC probe is connected the meter adjusts continu ally for temperature during calibration In this case the pH value of the buffer at the current temperature is taken into account when calculating the slope ...

Page 16: ...y o o softkey 8 Select Calibration Q 9 Start calibration with Press first buffer Start softkey Calibration running The meter recognizes the buffer automatically from the selected set Once the signal stabilizes the calibration result is stored automatically The old calibration data is automatically overwritten Cal Functions Cal Record Erase Cal Select Buffer Set Select Buffer Set Calibration Buffer...

Page 17: ...3 point calibration Continue if required with step 10 Standardize with a 3rd buffer 12 End 2 point calibration End softkey The calibration result is displayed electrode slope etc 13 Further calibration data q softkey Q softkey 14 Perform pH measurement o softkey 17 Calibration Cancel Cal Results Slope1 Offset Cal Results Buffer 2 Calibration Buffer 3 Bufferset Cancel End ...

Page 18: ...r gently Allow the electrode to reach a stable value 3 Toggle to the millivolt measurement mV softkey 4 Select calibration Q 5 Start calibration Start softkey Calibration running When the signal has stabilized The meter automatically stores the measured value The current absolute mV value becomes zero relative millivolts 18 Cancel mV Calibration ...

Page 19: ...the mV offset and return to the absolute mV mode Step Press key Display 1 Activate menu m 2 Confirm calibration Press q softkey functions and then pH if necessary press O softkey repeatedly 3 Select Clear q softkey and confirm O softkey 4 Delete select Yes and q softkey confirm OK softkey 19 Cal Functions Cal Record Erase Cal Select Buffer Set Erase Cal Yes No ...

Page 20: ...eminder q softkey and confirm O softkey 4 Set Cal reminder q O softkeys 5 Confirm Cal reminder OK softkey 6 Exit the menu o oo softkeys Docu pH automatically displays Calibration after the Cal reminder has been overwritten When a calibration interval has expired the following values will appearwith an exclamation mark Current measurements Measurements in data memory Measurements on the printout 20...

Page 21: ...erative that you measure the temperature to achieve accurate pH measurements When measuring with out an ATC probe enter the current temperature manually 1 Determine the current temperature using a thermometer 2 Start temperature entry Softkey Temp 3 Set temperature value Softkey q softkey Q 3 Save temperature value Softkey OK Lock Function The lock function freezes the value in the display Once th...

Page 22: ...asuring oxida tion reduction redox potential ORP ORP measurements indicate the oxidizing or reducing capacity of a solution You can use ORP potential values to monitor and control solutions that require a defined level of oxidants or reductants Step Press key Display 1 If required turn on meter e First the Sartorius logo appears then the meter information 2 Toggle to the millivolt mV or measuremen...

Page 23: ...econds and 99 minutes in the Setup Menu Allows you to display and print out data records Parallel to data logging the data are always printed out on an interfaced printer Data memory display and settings see chapter Default Settings Step Press key Display 1 If required turn on meter e First the Sartorius logo appears then the meter information 2 If required delete old data m O softkey Menu data me...

Page 24: ...3 CAL 19 05 05 11 52 8 If required store further z measurements 9 View various measurements m press in memory O softkey twice Menu data memory Display stored data 10 If required sort and filter data m Menu data memory O softkey Order data by q O softkey 11 If the memory is full Confirm Overwrite data OK softkey 24 Confirm Overwrite Cancel ...

Page 25: ...firm time interval OK softkey for data logging 5 Exit Menu o oo softkeys 6 Start data logging LogOn softkey Data is logged according to the preset calibration reminder 7 End data logging LogOff softkey 8 View various measurements m in memory 2 softkey O 9 If required sort and filter data m Menu data memory O softkey Order data by q O softkey 25 Data Memory Recall Select Filter Clear Data Memory Pr...

Page 26: ...out all electro chemical sensors such as all pH electrodes that can be connected to the Docu pHMeter DocuClip is irreversibly fastened to the cable of the sensor DocuClip is preformatted easy to understand user guidance prompts in the Docu pH enable the user to intuitively perform initialization and initial calibration Using Sartorius electrodes with DocuClip PY P DOC The factory set initial calib...

Page 27: ...e on Docu pH Step Press key Display 1 Connect DocuClip 2 Start Serial number input Start softkey 3 Set Electrode number S N Repeatedly press Q softkey O softkey 4 Confirm Electrode number OK softkey Initial calibration Please work with particular care The initial calibration documents the degree of effectiveness of the new electrode This calibration is the reference point for the later analysis wh...

Page 28: ...lifetime of one direction samples and or the electrode is too short high temperatures If appropriate check whether the electrode is suited for the samples to be measured and the measuring conditions An abruptly sharp Impure electrolyte Replace electrolyte clean drop in slope compared to dirty membrane membrane see electrode last calibration or defective electrode operation manual replace electrode...

Page 29: ...t buffer temperature is 20 C the portable meter calibrates the buffer to pH 7 02 2 Temperature affects electrode efficiency The theoretical voltage change per pH unit the so called Nernst factor is approximately 59 17 mV pH at 25 C This value changes however as the temperature changes The meter compensates for this effect by calculating the pH measurements based on the measured temperatures and th...

Page 30: ...bration forms the basis for calculating the pH The data log for calibration results Dotted line Blank line Cal Record Sartorius Docu pH Meter Instrument number S N 1234567800 Docu pHMeter serial number pH Electrode PY P12DOC Type of electrode S N A044805002 Serial number of the electrode 20 05 05 11 56 Date and time of calibration end S1 97 2 Slope 1 between buffer 1 and buffer 2 S2 97 1 Slope 2 b...

Page 31: ...tachment for direct con nection to a computer or an optional Sartorius data printer Pin Assignment Pin 1 Not connected Pin 2 Serial data input RxD Pin 3 Serial data output TxD Pin 4 Data Terminal Ready DTR Pin 5 Signal GND Pin 6 Not connected Pin 7 Not connected Pin 8 CTS Pin 9 Not connected No other pins may be assigned in the Docu pH Meter 6 5 1 9 31 Cabling Diagram Diagram for interfacing a com...

Page 32: ...rature of approx 25 C the electrode signal should be within the limits shown here 32 Zero point at Slope Cause Solution pH 7 001 Between 30 mV 53 62 mV pH Electrode OK and 30 mV 90 105 of the theoretical value Between 10 mV pH Glass membrane Replace electrode 55 65 mV or 17 of the ruptured 55 65 mV theoretical value 30 mV and 53 62 mV pH Wrong or Replace electrolyte 30 mV 90 105 of the contaminate...

Page 33: ...isconnect the power cord from the outlet Ensure that the equipment cannot be used during this time Notify your nearest Sartorius Service Center Maintenance and repair work may only be performed by specialized service technicians Recycling Instructions To ensure adequate protection for safe shipment your instrument has been packaged to the extent necessary using environmentally friendly materials A...

Page 34: ...ability in C 0 1 Accuracy in C 0 2 Temperature compensation Automatic or manual from 5 C 105 C Buffer recognition Automatic technical buffers DIN NIST buffers Calibration points max number 3 Date Time battery supplied Sample IDs Calibration reminder Complete GLP compliant record Memory for measurement data Communication with DocuClip Input for pH combination electrodes BNC BNC Input for temperatur...

Page 35: ...ctrode PY P23doc KCI liquid filled adjustable flow rate sleeve junction PY P24doc All Sartorius pH electrodes standard equipped without DocuClip PY P DocuClip for use with any electrode DocuClip Redox ORP combination electrode with DocuClip Clip ready installed KCI liquid filled platinum disk PY R01doc ATC probe 10 kO NTC PY T01 pH buffer solutions Buffer pH 4 00 0 01 at 25 C twin neck bottle 500 ...

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Page 38: ...s without the prior written permission of Sartorius AG The status of the information specifications and illustrations in this manual is indicated by the date given below Sartorius AG reserves the right to make changes to the technology features specifications and design of the equipment without notice Status February 2007 Sartorius AG Goettingen Germany Printed in Germany on paper that has been bl...

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