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Overview

pH 7310

6

ba75929e02

10/2011

1

Overview

1.1

pH 7310

meter

The compact pH 7310 precision pH meter enables you to perform pH measure-
ments rapidly and reliably.
The pH 7310 provides the maximum degree of operating comfort, reliability and
measuring certainty for all applications.
The USB interface can be used for data transmission to a PC and for software
updates of the meter.

1 Keypad
2 Display
3 Socket field

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Содержание pH 7310

Страница 1: ...ba75929e02 10 2011 pH 7310 pH 7310P Operating manual pH meter pH 7310P pH 7310 Printermodul...

Страница 2: ...pH 7310 2 ba75929e02 10 2011 Copyright Weilheim 2011 WTW GmbH Reproduction in whole or even in part is prohibited without the express writ ten permission of WTW GmbH Weilheim Printed in Germany...

Страница 3: ...Commissioning 10 3 1 Scope of delivery 10 3 2 Power supply 10 3 3 Initial commissioning 10 3 3 1 Inserting the batteries 11 3 3 2 Connecting the power pack 12 3 3 3 Mounting the stand 12 4 Operation...

Страница 4: ...ng the settings for pH measurements 38 7 1 2 Buffer sets for calibration 39 7 1 3 Calibration interval 42 7 2 Settings for ORP measurements 42 7 3 Sensor independent settings 43 7 3 1 System 43 7 3 2...

Страница 5: ...1 Maintenance cleaning disposal 57 11 1 Maintenance 57 11 1 1 General maintenance activities 57 11 1 2 Replacing the batteries 57 11 2 Cleaning 58 11 3 Packing 58 11 4 Disposal 58 12 What to do if 59...

Страница 6: ...es you to perform pH measure ments rapidly and reliably The pH 7310 provides the maximum degree of operating comfort reliability and measuring certainty for all applications The USB interface can be u...

Страница 7: ...the pH 7310 meter and a suitable sensor Suitable sensors are pH electrodes and ORP electrodes The information concerning the printer of the pH 7310P is given in a separate chapter see section 10 PRIN...

Страница 8: ...ight be damaged if the actions mentioned are not taken 2 1 2 Safety signs on the meter Note all labels information signs and safety symbols on the meter and in the battery compartment A warning symbol...

Страница 9: ...safe operation The meter may only be operated according to the authorized use specified above The meter may only be supplied with power by the energy sources mentioned in this operating manual The met...

Страница 10: ...pH 7310 is supplied with power in the following ways Mains operation with the supplied power pack Battery operation 4 x alkaline manganese batteries type AA USB operation via a connected USB B cable...

Страница 11: ...attery compartment 1 Open the battery compartment 1 on the underside of the meter CAUTION Make sure that the poles of the batteries are positioned cor rectly The signs on the batteries must correspond...

Страница 12: ...ine voltage at the operating site must lie within the input voltage range of the original power pack see section 13 TECH NICAL DATA page 62 CAUTION Use original power packs only see section 13 TECHNIC...

Страница 13: ...or system settings On Off Switches the meter on or off M Selects the measured parameter Quits the settings CAL CAL_ Calls up the calibration procedure Displays the calibration data STO STO_ Saves a me...

Страница 14: ...ous measurement control CMC function 5 Sensor symbol calibration evaluation calibration interval 6 Measured temperature with unit 7 Status information meter 8 Softkeys and date time AR Stability contr...

Страница 15: ...t sensors to the meter that cannot return any volt ages or currents that are not allowed SELV and current circuit with current limiting Almost all customary sensors meet these requirements 1 Press the...

Страница 16: ...e again You can also generally switch the display illumination on or off see section 7 3 1 SYSTEM page 43 4 4 Navigation The principles of navigation in menus and dialogs are explained in the followin...

Страница 17: ...he current setting is displayed on the right hand side The setting mode is opened with ENTER Subsequently the setting can be changed with and ENTER Example Operating mode Description Measuring The mea...

Страница 18: ...nguage 1 Press the On Off key The measured value display appears The instrument is in the measuring mode Language English Beep Off Illumination On Contrast 50 Switchoff time 1 h General 01 07 2011 08...

Страница 19: ...ction is displayed with a frame 4 Open the System submenu with ENTER 5 Select the General submenu with The current selection is displayed with a frame 6 Open the General submenu with ENTER pH 6 949 25...

Страница 20: ...rent date and time Calibration date Identification of stored measured values Therefore check the time at regular intervals 7 Open the setting mode for the Language with ENTER 8 Select the required lan...

Страница 21: ...irm the Time menu with and ENTER The hours are highlighted 4 Change and confirm the setting with and ENTER The minutes are highlighted 5 Change and confirm the setting with and ENTER The seconds are h...

Страница 22: ...ntrol is switched off You can activate or switch off the automatic Stability control function see section 7 1 1 CHANGING THE SETTINGS FOR PH MEASUREMENTS page 38 To ensure the high measurement accurac...

Страница 23: ...measured parameter flashes The HOLD AR status indicator appears as soon as a stable mea sured value is recognized The progress bar disappears and the display of the measured parameter stops flashing T...

Страница 24: ...tion and input of the temperature The measuring instrument recognizes whether a suitable sensor is connected and automatically switches on the temperature measurement The display of the temperature in...

Страница 25: ...ING THE SETTINGS FOR PH MEASUREMENTS PAGE 38 Use any one to five buffer solutions of the selected buffer set in ascending or descending order Below calibration with Technical buffers TEC is described...

Страница 26: ...ement with stability control or accept the calibration value with ENTER The calibration display for the next buffer appears voltage display 10 If necessary finish the calibration procedure as a single...

Страница 27: ...r appears voltage display 16 If necessary finish the calibration procedure as a two point calibration with M The calibration record is displayed pH 0 0 24 8 C AutoCal TEC 7 000 01 07 2011 08 00 AR Buf...

Страница 28: ...utomatically completed after the last buffer of a buf fer set has been measured Then the calibration record is dis played The calibration line is determined by linear regression If single point calibr...

Страница 29: ...ept the calibration value with ENTER The calibration display for the setting of the nominal buffer value appears 10 Set the nominal buffer value for the measured temperature with 11 Accept the set cal...

Страница 30: ...mperature with 19 Accept the set calibration value with ENTER The calibration display for the next buffer appears voltage display 20 Finish the calibration procedure as a two point calibration with M...

Страница 31: ...ibration or Continue calibrating using the next buffer with ENTER After the fifth buffer has been measured the calibration is automat ically finished Then the calibration record is displayed The calib...

Страница 32: ...rating the meter automatically evaluates the calibration The zero point and slope are evaluated separately The worse evaluation of both is taken into account The evaluation appears on the display and...

Страница 33: ...1 0 or 56 0 50 0 Clean the electrode according to the electrode operating manual Error Error 30 30 62 0 50 0 Error elimination see section 12 WHAT TO DO IF page 59 inoLab pH 7310 Ser no 11292113 CALIB...

Страница 34: ...bration is available white Measured values in this range are suitable for documentation 2 Measuring range for which no valid calibration is available shaded Measured values in this range are not suita...

Страница 35: ...hes on the display as soon as the measured value is outside the stability range when you switch over between the measured parameters with M when the automatic Stability control is switched off Criteri...

Страница 36: ...function manually The AR status indicator appears while the measured value is assessed as not stable A progress bar is displayed and the display of the measured parameter flashes The HOLD AR status in...

Страница 37: ...e measurement The display of the temperature indicates the active temperature measuring mode If you wish to measure or calibrate without temperature sensor proceed as follows 6 2 ORP calibration 2 Rel...

Страница 38: ...ation Calibration Calibration data storage Display Displays the calibration record Further options Scroll through the calibration records with Output the displayed calibration record to the interface...

Страница 39: ...te regularly by the flashing sensor symbol in the measuring window Calibration Unit for slope mV pH Unit of the slope The display refers to the Nernst slope of 59 2 mV pH 100 x deter mined slope Nerns...

Страница 40: ...nical buffers 2 000 4 010 7 000 10 011 25 C 4 Merck 1 4 000 7 000 9 000 20 C 5 Merck 2 1 000 6 000 8 000 13 000 20 C 6 Merck 3 4 660 6 880 9 220 20 C 7 Merck 4 2 000 4 000 7 000 10 000 20 C 8 Merck 5...

Страница 41: ...91 10 008 25 C 16 Metrohm 3 996 7 003 8 999 25 C 17 Beckman 4 005 7 005 10 013 25 C 18 Hamilton Duracal 4 005 7 002 10 013 25 C 19 Precisa 3 996 7 003 8 999 25 C 20 Reagecon TEC 2 000 4 010 7 000 10 0...

Страница 42: ...leting the settings switch to the measured value display with M Default settings are printed in bold The buffers are selected in the menu pH F1 Menu Calibra tion Buffer see 7 1 1 CHANGING THE SETTINGS...

Страница 43: ...ETTING THE MEASUREMENT SETTINGS page 44 Menu item Possible set ting Description System General Language Deutsch English further Selects the menu language System General Beep On Off Switches on off the...

Страница 44: ...ystem Printer Settings for the integrated prin ter of the pH 7310 P For details see section 10 PRINTER ONLY PH 7310P page 54 System Clock Date format Date Time Time and date settings see section 4 4 6...

Страница 45: ...fault condition The system settings are reset in the menu Storage config System Reset To open the Storage config menu press the F1_ Menu key in the measured value display Measured parameter pH Resolut...

Страница 46: ...measurement dataset to the data storage as follows The dataset is at the same time output to the interface If the storage is full The following window appears if all 500 storage locations are occupie...

Страница 47: ...ENT DATA STOR AGE page 51 8 2 Automatic storage at intervals The storage interval Interval determines the time interval between automatic storage processes Each storage process transmits the current d...

Страница 48: ...he Menu item Possible set ting Description ID number 1 10000 ID number for the dataset series Interval 1 s 5 s 10 s 30 s 1 min 5 min 10 min 15 min 30 min 60 min Storage interval The lower limit of the...

Страница 49: ...rface Each of the measurement data storages has a function to erase the entire contents Editing the data stor age The storage is edited in the menu Storage config Data storage To open the Storage conf...

Страница 50: ...Manual data storage Erase Erases the entire manual measure ment data storage All calibration data remains stored when this action is performed Data storage Manual data storage Output to USB Outputs al...

Страница 51: ...aset consists of ID number Date time Measured value of the connected sensor Measured temperature value of the connected sensor or manually set tem perature AutoRead info The AR indicator appears with...

Страница 52: ...t the transmission interval Simultaneously with every auto matic storage process see section 8 2 AUTOMATIC STORAGE AT INTER VALS page 47 Stored mea sured values Manual Displayed dataset with F2 USB ou...

Страница 53: ...Pentium processor or higher with at least one free USB connection and CD ROM drive Windows 2000 XP Vista 9 3 MultiLab Importer With the aid of the MultiLab Importer software you can record and evaluat...

Страница 54: ...s ON FEED and OFF 3 Lever to open the paper compartment 4 Lid of the paper compartment 2 1 3 4 1 Connect the power pack to the pH 7310 P The LED lights up green The printer is ready for operation or I...

Страница 55: ...nging the roll of paper Menu item Possible set ting Description System Printer Font size 12x20 8x16 7x16 Select the font size for the printer A print sample character set of the printer to view the av...

Страница 56: ...ter LED illuminated No power pack connected Connect the power pack USB cable connected Disconnect the USB cable from the meter Function automatic storing at intervals with long intervals is switched o...

Страница 57: ...can operate the meter either with normal batteries or with rechargeable batteries Ni MH In order to charge the batteries an external charging device is required 1 Battery compartment 1 Open the batte...

Страница 58: ...ve any questions please contact your supplier 4 Close the battery compartment 1 The date day flashes on the display 5 Set the date and time see section 4 4 6 EXAMPLE 2 ON NAVIGATION SETTING THE DATE A...

Страница 59: ...junction Extract air or moisten junction Cable broken Replace electrode Gel electrolyte dried out Replace electrode Measured value outside the mea suring range of the meter Use suitable electrode Caus...

Страница 60: ...luded if necessary Temperature not stable Temper if necessary Electrode test sample Conductivity too low Use suitable electrode Temperature too high Use suitable electrode Organic liquids Use suitable...

Страница 61: ...red Recalibrate the measuring system Cause Remedy Batteries almost empty Replace the batteries see section 11 1 MAINTENANCE page 57 Cause Remedy Operating condition undefined or EMC load unallowed Pro...

Страница 62: ...e Increment Tmanual C 25 130 1 Tmanual F 13 266 1 Accuracy 1 digit Parameter Accuracy Temperature of the test sample pH range 2 0 20 0 0 1 15 C 35 C 2 00 20 00 0 01 15 C 35 C 2 000 19 999 0 005 15 C 3...

Страница 63: ...s 4 x 1 5 V alkali manganese batteries type AA Rechargeable batter ies 4 x 1 2 V NiMH rechargeable batteries type AA no charging function Operational life Up to 1000 h without 150 h with illumination...

Страница 64: ...d to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if n...

Страница 65: ...METER PAGE 61 1 Install the downloaded firmware update on a PC An update folder is created in the Windows start menu If an update folder already exists for the meter or meter type the new data is dis...

Страница 66: ...Firmware update pH 7310 66 ba75929e02 10 2011...

Страница 67: ...decadic logarithm of the molal hydrogen ions activity divided by the unit of the molality The practical pH value is the value of a pH measurement Potentiometry Name of a measuring technique The signal...

Страница 68: ...etween two measured values that can be dis played by a meter Stability control AutoRead Function to control the measured value stability Standard solution The standard solution is a solution where the...

Страница 69: ...K Keys 13 M Measured value display 16 Measurement accuracy 42 Measurement data storage Edit 49 Erase 49 Measurement dataset 51 Measuring ORP voltage 35 pH 22 Menus navigation 17 Messages 18 P pH buff...

Страница 70: ...Index pH 7310 70 ba75929e02 10 2011...

Страница 71: ......

Страница 72: ...Wissenschaftlich Technische Werkst tten GmbH Dr Karl Slevogt Stra e 1 D 82362 Weilheim Germany Tel 49 0 881 183 0 49 0 881 183 100 Fax 49 0 881 183 420 E Mail Info WTW com Internet http www WTW com...

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