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Contents

Cond 7110

6

ba75927e03

04/2012

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Содержание Cond 7110

Страница 1: ...ba75927e03 04 2012 Cond 7110 Operating manual Conductivity meter...

Страница 2: ...Cond 7110 2 ba75927e03 04 2012 Copyright Weilheim 2012 WTW GmbH Reproduction in whole or even in part is prohibited without the express written permission of WTW GmbH Weilheim Printed in Germany...

Страница 3: ...3 Further documents providing safety information 8 2 2 Safe operation 9 2 2 1 Authorized use 9 2 2 2 Requirements for safe operation 9 2 2 3 Unauthorized use 9 3 Commissioning 10 3 1 Scope of delivery...

Страница 4: ...2 3 Determining the cell constant calibration in control standard 19 5 2 4 Using the last calibrated cell constant 20 5 2 5 Setting the cell constant manually 21 5 2 6 Calibration data 22 6 Settings...

Страница 5: ...ge E3 32 9 1 2 Error message OFL UFL 32 9 2 General information 32 9 2 1 LoBat Display 32 9 2 2 Instrument does not react to keystroke 33 9 2 3 Displaying the software version meter 33 10 Technical da...

Страница 6: ...Contents Cond 7110 6 ba75927e03 04 2012...

Страница 7: ...s the maximum degree of operating comfort reliability and measuring certainty for all applications 1 2 Sensors A measuring system ready to measure consists of the Cond 7110 meter and a suitable sensor...

Страница 8: ...might 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 symb...

Страница 9: ...or 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...

Страница 10: ...lowing ways Mains operation with the supplied power pack Battery operation 4 x alkaline manganese batteries type AA 3 3 Initial commissioning Perform the following activities Insert the supplied batte...

Страница 11: ...t the original power pack to an easily accessible power outlet CAUTION Make sure that the poles of the batteries are positioned correctly The signs on the batteries must correspond to the signs in the...

Страница 12: ...Commissioning Cond 7110 12 ba75927e03 04 2012 3 3 3 Mounting the stand The stand base can be mounted at the right side of the meter 1 2...

Страница 13: ...sec in this operating manual A long keystroke approx 2 sec is indicated by the underscore behind the key symbol e g ENTER__ Key Symbol Meaning On Off On Off__ Switches the meter on or off Resets cali...

Страница 14: ...Tref25 Tref20 ARng Cal nLF AR TP 3 2 4 5 1 cm Lin Display Meaning AR Stability control AutoRead is active TP Temperature measurement active Time Setting of calibration interval ARng Automatic range sw...

Страница 15: ...to measure 4 3 Switching off the meter 1 Switch off the meter with On Off The meter is switched off 1 Conductivity measuring cell 2 Power pack 3 Service interface 1 2 3 0 5 2 0 3 5 C S cm m nLF TP Tre...

Страница 16: ...following functions are available in the setting mode To change the current setting press Confirm the setting with ENTER The next setting is displayed The settings are stored Press M to exit the setti...

Страница 17: ...e temperature of the test sample with 5 Wait for a stable measured value The AR display indicator no longer flashes 6 If necessary select the measured parameter with M Conductivity S cm mS cm Salinity...

Страница 18: ...Pt1000 integrated in the sensor Manual determination and input of the temperature The measuring instrument recognizes whether a suitable sensor is connected and automatically switches on the temperatu...

Страница 19: ...ecommend every 6 months 5 2 2 When to calibrate When the cleaning interval has expired Routinely within the framework of the company quality assurance 5 2 3 Determining the cell constant calibration i...

Страница 20: ...completed or termi nate the stability control with ENTER The determined cell constant appears on the display The meter automatically stores the cell constant 8 Use ENTER to finish the calibration The...

Страница 21: ...he calibration The selected calibrated cell constant is used 5 2 5 Setting the cell constant manually This method can be used when the cell constant of the measuring cell is known e g taken from the o...

Страница 22: ...nge 0 250 2 500 cm 1 Range 0 090 0 110 cm 1 Permanent 0 010 cm 1 5 Set the exact cell constant within the range with as necessary 6 Use ENTER to finish the calibration The adjusted cell constant is us...

Страница 23: ...9 0 7 4 C Cal Display Cell constant cm 1 Within the range 0 450 0 500 cm 1 or 0 800 0 880 cm 1 E3 Outside the range 0 450 0 500 cm 1 or 0 800 0 880 cm 1 Eliminate the error see section 9 WHAT TO DO I...

Страница 24: ...h ENTER 3 To change the current setting press 4 Confirm the setting with ENTER The setting is stored The next setting is displayed 5 Change or confirm the other settings or Quit the setting menu with...

Страница 25: ...ture compensation 1 Open the calibration menu with CAL 2 If necessary select the Use tC setting with CAL 3 Press ENTER or CAL__ to confirm the selection of Use tC The set temperature compensation is d...

Страница 26: ...the delivery condition You can adjust this factor to meet your requirements in the range 0 40 1 00 1 Select the measured parameter TDS with M 2 Set the TDS factor with The reference temperature is se...

Страница 27: ...operation Automatic switch off function The meter has an automatic switch off function to avoid unnecessary power consumption during battery operation The energy saving feature switches off the meter...

Страница 28: ...rement and system settings 1 Switch on the meter with On Off The display test appears briefly on the display 2 During the display test press M to open the menu for the reset of the meter settings Init...

Страница 29: ...ed after a reset Before measuring make sure the meter uses the cell con stant suitable for the measuring cell Measurement settings Default Reference temperature Tref t25 Unit of the measured temperatu...

Страница 30: ...meter 2 Remove the old batteries 3 Place four batteries type AA in the battery compartment See the relevant operating manuals of the sensors for instructions on maintenance You can operate the meter...

Страница 31: ...the disposal or return system statutory in your country If you have any questions please contact your supplier When the batteries are nearly empty the LoBat status indicator is displayed Dispose of u...

Страница 32: ...tions on cleaning and exchange of sensors are given in the documentation of your sensor Cause Remedy Measuring cell contaminated Clean the measuring cell and replace it if necessary Calibration soluti...

Страница 33: ...playing the software version meter Cause Remedy Operating condition undefined or EMC load unallowed Processor reset Press the ENTER and On Off key simultaneously Cause Remedy E g a question by the ser...

Страница 34: ...nly possible with cells of the cell constant 0 010 cm 1 only possible with cells of the cell constant 0 010 cm 1 or 0 090 0 110 cm 1 0 001 0 01 0 1 1 mS cm 2 00 19 99 20 0 199 9 200 1000 0 01 0 1 1 Sp...

Страница 35: ...2 500 cm 1 0 090 0 110 cm 1 0 010 cm 1 permanent Reference temperature Values Adjustable 20 C Tref20 25 C Tref25 Parameter Accuracy Temperature of the test sample Temperature compensation Nonlinear n...

Страница 36: ...Test certifi cates CE cETLus Ambient conditions Storing 25 C 65 C Operation 5 C 55 C With the power pack connected 5 C 40 C Allowable relative humidity Yearly mean 75 30 days year 95 Other days 85 Pow...

Страница 37: ...vice pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipm...

Страница 38: ...e of the electrical conductivity Salinity The absolute salinity SA of seawater corresponds to the relationship of the mass of dissolved salts to the mass of the solution in g kg In practice this dimen...

Страница 39: ...usting Measured param eter The measured parameter is the physical dimension determined by measuring e g pH conductivity or D O concentration Measured value The measured value is the special value of a...

Страница 40: ...tem Temperature func tion Name of a mathematical function expressing the tem perature behavior of a test sample a sensor or part of a sensor Test sample Designation of the test sample ready to be meas...

Страница 41: ...ault measurement settings 29 Default system settings 29 Determining the cell constant 19 Display 14 I Initial commissioning 10 Initialize 28 K Keys 13 M Measured value display 16 Measuring conductivit...

Страница 42: ...Index Cond 7110 42 ba75927e03 04 2012...

Страница 43: ......

Страница 44: ...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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