Related Manuals for JUMO 202710/30
Summary of Contents for JUMO 202710/30
- Page 1 All manuals and user guides at all-guides.com Handheld Meter for Conductivity (CR), Specific Electrical Resistivity, TDS, and Salinity Type 202710/30 Operating Manual 20271030T90Z001K000 V2.00/EN/00463204...
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Page 3: Table Of Contents
All manuals and user guides at all-guides.com Contents Typographical conventions ............5 Warning symbols ..................5 Note symbols ....................5 General information ..............6 Preface ......................6 Intended use ....................6 Safety information ..................6 Notes on operation and maintenance ............8 2.4.1 Battery operation ..................8 2.4.2 Power supply unit operation ................8 Identifying the device version .......... - Page 4 All manuals and user guides at all-guides.com Contents Configuring the device ................20 6.3.1 Submenu "SEt ConF": general settings .............20 6.3.2 Submenu "SEt Out": serial interface settings ..........28 Parameterizing the device ................29 6.4.1 Submenu "SEt Corr": offset/zero point correction and slope correction of the temperature measurement ..............29 6.4.2 Submenu "SEt CLOC": setting the real-time clock ........30...
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Page 5: Typographical Conventions
All manuals and user guides at all-guides.com 1 Typographical conventions Warning symbols DANGER! This symbol indicates that personal injury from electrocution may occur if the appropriate precautionary measures are not taken. CAUTION! This symbol in connection with the signal word indicates that damage to assets or data loss will occur if the respective precautionary measures are not taken. -
Page 6: General Information
All manuals and user guides at all-guides.com 2 General information Preface Read through this document carefully and familiarize yourself with the opera- tion of the device before you start using it. Keep this document close at hand and in the immediate vicinity of the device so that you or the specialist person- nel can consult it at all times in case of doubt. - Page 7 All manuals and user guides at all-guides.com 2 General information DANGER! Do not operate with a defective power supply unit! In this case, potentially fatal excess voltage may occur at the sockets of the device! DANGER! The device is not suitable for safety applications, emergency off equipment, or applications in which a malfunction could lead to injuries and material damage.
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Page 8: Notes On Operation And Maintenance
All manuals and user guides at all-guides.com 2 General information Notes on operation and maintenance NOTE! The device and sensor must be handled with care and used according to the technical data (do not throw, do not subject to impact, etc.). The connectors and sockets must be protected against pollutants. -
Page 9: Identifying The Device Version
Nameplate Position The nameplate is affixed to the base of the battery compartment. Example Handmessgerät 202710/30 – 000 F – Nr. 00822713 01 0 1815 0001 Fabrication number (F-No.) The fabrication number provides information such as the production date (year/week). The production date relates to the characters in positions 12 to 15 (from the left). -
Page 10: Operation
All manuals and user guides at all-guides.com 4 Operation Display Display of the measured value unit Warning signal: In case of low battery or recalibration request Temperature coefficient configuration unit Subsidiary display/subsidiary measured value: Temperature measured value Display of the selected temperature compensation Display elements for the appearance of the minimum (MIN), maximum (MAX), or saved measured value (HLD) Main display/main measured value:... -
Page 11: Control Elements
All manuals and user guides at all-guides.com 4 Operation Control elements The descriptions printed in black on the control keys relate to functions that are available in measurement mode. The descriptions and symbols printed in red on the control keys relate to func- tions that are available when setting the device. -
Page 12: Connections
All manuals and user guides at all-guides.com 4 Operation Connections This socket does not have a function, please do not connect any devices Connecting cable of the securely connected conductivity measuring cell Socket for connecting a power supply unit Stand-up hinge Stand-up hinge closed Stand-up hinge positioned at 90°/180°... -
Page 13: Measuring
All manuals and user guides at all-guides.com 5 Measuring The measuring cell The conductivity measurement is a relatively straightforward measurement. The measuring cell that is securely connected to the device remains stable for a long time when properly used and can be aligned using the integrated cali- bration function (see chapter 7.2, page 33). -
Page 14: Switching On The Device
All manuals and user guides at all-guides.com 5 Measuring Switching on the device NOTE! The device is preconfigured per default for measuring the conductivity with automatic selection of the measuring range (Auto Range). Briefly press the key. The device activates all display segments for a short time (segment test). -
Page 15: Measuring The Specific Electrical Resistivity
All manuals and user guides at all-guides.com 5 Measuring Measuring ranges • 0.0 to 200.0 µS/cm • 0 to 2000 µS/cm • 0.00 to 20.0 mS/cm • 0.0 to 200.0 mS/cm For the purpose of measurement, a fixed set measuring range can also be selected instead of the measuring range being selected automatically, see "Parameter "rAnG": selection of the display range or the measuring range", page 23. -
Page 16: Measuring The Salinity
All manuals and user guides at all-guides.com 5 Measuring The following approximate values apply for C.tdS: 0.50 Monovalent salts with 2 ion types (NaCl, KCl, etc.) 0.50 Natural waters/surface water, drinking water 0.65 to 0.70 Salt concentration of aqueous fertilizer solutions NOTE! The stated values for "C.tdS"... -
Page 17: Temperature Compensation
All manuals and user guides at all-guides.com 5 Measuring NOTE! This measurement is intended exclusively for measuring seawater. The salin- ity measurement is not suitable for determining the salt concentration of other saline solutions. A measurement according to TDS is recommended in such cases, see Page 15. -
Page 18: Linear Temperature Compensation "T.lin
All manuals and user guides at all-guides.com 5 Measuring 5.7.2 Linear temperature compensation "t.Lin" If the temperature compensation type is not precisely known, the "linear tem- perature compensation" is used in practice (see "Parameter "t.Lin": compen- sation coefficient", page 25). This involves making the simplified assumption that the ratio of the temperature to the concentration will take a linear trajec- tory across the measuring range being considered. -
Page 19: Device Settings
All manuals and user guides at all-guides.com 6 Device settings Calling up the setting menu Overview of the setting menu The setting menu is called up from measurement mode by pressing the key for at least 2 seconds (main display "SEt"). The 5 individual submenus in the setting menu are then selected by repeatedly pressing the key. -
Page 20: Resetting To Default Settings
All manuals and user guides at all-guides.com 6 Device settings Resetting to default settings NOTE! If the keys are pressed simultaneously for over 2 seconds, the device is reset to the default settings. Configuring the device 6.3.1 Submenu "SEt ConF": general settings Overview of the parameters After calling up the setting menu with and selecting the submenu "SEt... - Page 21 All manuals and user guides at all-guides.com 6 Device settings Parameters "InP": selection of a measurand, see page 21 "C.tdS": conversion factor for TDS measurement, see page 22 "CELL Corr": setting the relative cell constant, see page 22 "rAnG": selection of the display range or the measuring range, see page 23 "CAL": preconfiguration for the calibration of the relative cell constant, see page 23 "rEF.S": selection of the standard reference solution for the calibration of the...
- Page 22 All manuals and user guides at all-guides.com 6 Device settings Parameter "C.tdS": conversion factor for TDS measurement The parameter "C.tdS" can only be accessed when the measurand "TDS" is selected. Use the keys to set the conversion factor: Menu/parameter Setting option Meaning 0.40 to 1.00 Conversion factor for TDS measurement...
- Page 23 All manuals and user guides at all-guides.com 6 Device settings Parameter "rAnG": selection of the display range or the measuring range The parameter "rAnG" can only be accessed when one of the measurands "Conductivity", "Specific electrical resistivity", or "TDS" is selected. Use the keys to select the display range: Menu/parameter...
- Page 24 All manuals and user guides at all-guides.com 6 Device settings Parameter "rEF.S": selection of the standard reference solution for the calibration of the rel- ative cell constant If a selection has been made to calibrate the relative cell constant with a selec- tion of standard reference solutions (see page 23), use this parameter to spec- ify a standard reference solution for calibrating the relative cell constant.
- Page 25 All manuals and user guides at all-guides.com 6 Device settings Parameter "t.Cor": setting the temperature compensation The parameter "t.Cor" cannot be selected when the measurand "Salinity" is selected. Use the keys to select the temperature compensation: Menu/parameter Setting option Meaning Do not compensate conductivity measure- ment Nonlinear function for natural waters...
- Page 26 All manuals and user guides at all-guides.com 6 Device settings Parameter "t.rEF": setting the reference temperature The parameter "t.rEF" can only be accessed if the setting option "Lin" or "nLF" has been chosen when selecting the temperature compensation (t.Cor). Use the keys to set the reference temperature: Menu/parameter Setting option...
- Page 27 All manuals and user guides at all-guides.com 6 Device settings Parameter "Auto HLD": automatic saving of a measured value Use the keys to activate or deactivate automatic saving of a measured value: Menu/parameter Setting option Meaning Automatic saving of a stable measured value (Auto Hold) Standard hold function at the push of a button (see chapter 4.2 "Control ele-...
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Page 28: Submenu "Set Out": Serial Interface Settings
All manuals and user guides at all-guides.com 6 Device settings 6.3.2 Submenu "SEt Out": serial interface settings Overview of the parameters After calling up the setting menu with and selecting the submenu "SEt Out", use the key to select the parameter to be configured. mg/l kOhm µS AL Logg... -
Page 29: Parameterizing The Device
All manuals and user guides at all-guides.com 6 Device settings Parameterizing the device 6.4.1 Submenu "SEt Corr": offset/zero point correction and slope cor- rection of the temperature measurement Overview of the parameters After calling up the setting menu with and selecting the submenu "SEt Corr", use to select the parameter to be configured. -
Page 30: Submenu "Set Cloc": Setting The Real-Time Clock
All manuals and user guides at all-guides.com 6 Device settings Parameter "SCAL": slope correction of the temperature measurement Use the keys to set the slope correction: Menu/parameter Setting option Meaning No slope correction of the temperature measurement -5.0 to 5.0 Slope correction of the temperature measurement in % Press the... - Page 31 All manuals and user guides at all-guides.com 6 Device settings Parameter "CLOC": setting the time Use the keys to set the time: Menu/parameter Setting option Meaning HH:MM Hours (HH) and minutes (MM) Press the keys to set the time in incre- ments of 1 minute Press and hold the keys to continu-...
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Page 32: Submenu "Read Cal.": Reading The Calibration Data
All manuals and user guides at all-guides.com 6 Device settings Parameter "dAtE": setting the date Use the keys to set the date: Menu/parameter Setting option Meaning DD:MM Days (DD) and months (MM) Press the key to save the setting and move to the next parameter or press the key to save the setting and move to the next submenu of the setting menu or... -
Page 33: Calibration
All manuals and user guides at all-guides.com 7 Calibration Offset/zero point correction and slope correction of the temperature input The parameters "OFFS" (see page 29) and "SCAL" (see page 30) can be used to carry out a zero point correction or slope correction of the temperature input. -
Page 34: Calibration Using Standard Reference Solutions ("Cal Ref.s" Function)
All manuals and user guides at all-guides.com 7 Calibration Calibration Use the keys to enter the value of the reference solution. Press the key to save the setting. The device will then return to measurement mode, or it will display an error message if necessary. -
Page 35: Error Messages During Calibration
All manuals and user guides at all-guides.com 7 Calibration The main display of the device shows the measured actual value (e.g. 1407 µS/cm) and the subsidiary display shows "CAL." with a symbol rotating around the last digit. Once a stable value has been determined, the device will save the correction factor and return to measurement mode, or it will display an error message if necessary. -
Page 36: Maintenance
All manuals and user guides at all-guides.com 8 Maintenance Good laboratory practice (GLP) Good laboratory practice involves regularly monitoring the device and the accessories. In the case of conductivity measurements, the correct calibration of the relative cell constants must be ensured in particular. The device pro- vides support in this regard with the functions "C.int"... -
Page 37: Real-Time Clock ("Cloc")
All manuals and user guides at all-guides.com 8 Maintenance Real-time clock ("CLOC") The real-time clock is used for the chronological assignment of the calibration. You should therefore check the settings as required, particularly after replacing the battery. -
Page 38: Error And System Messages
All manuals and user guides at all-guides.com 9 Error and system messages Error messages during measurement Display Cause Remedy Battery voltage low, Insert new battery the function can still be guaranteed only for a short time. Battery is used up Insert new battery During mains operation: incorrect voltage Test power supply unit, replace if necessary No display... -
Page 39: Returns And Disposal
All manuals and user guides at all-guides.com 10 Returns and disposal 10.1 Returns DANGER! All devices that are returned to the manufacturer must be free from measuring material residue and other hazardous substances. Measuring material residue on the case or on the sensor may pose a hazard to persons or the environ- ment. -
Page 40: Technical Data
All manuals and user guides at all-guides.com 11 Technical data Measuring ranges Conductivity 0.0 to 200.0 µS/cm 0 to 2000 µS/cm 0.00 to 20.00 mS/cm 0.0 to 200.0 mS/cm Specific electrical resistiv- 0.005 to 100.0 kΩ × cm 0.0 to 1999 mg/l Salinity 0.0 to 70.0 g/kg (PSU) Temperature... - Page 41 Member States relating to electromagnetic compatibility (2004/108/EC). Additional error: <1 %. Scope of delivery Part no. 00454356 Manual measuring device type 202710/30, 9 V battery, operating manual Part no. 00454357 Manual measuring device type 202710/30, 9 V battery, operating manual, carry case...
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- Page 44 All manuals and user guides at all-guides.com JUMO GmbH & Co. KG JUMO Instrument Co. Ltd. JUMO Process Control, Inc. Street address: JUMO House 6733 Myers Road Moritz-Juchheim-Straße 1 Temple Bank, Riverway East Syracuse, NY 13057, USA 36039 Fulda, Germany...