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Contents

Cond 1970i

ba75692e02

07/2009

4.6.3

PC/external printer (RS232 interface) . . . . . . . . 45

4.6.4

Remote control . . . . . . . . . . . . . . . . . . . . . . . . . 45

4.7

Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

4.8

Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Maintenance, cleaning, disposal . . . . . . . . . . . . . . . . . 51

5.1

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

5.2

Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

5.3

Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

What to do if... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

7.1

General data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

7.2

Measuring ranges, resolutions, accuracies . . . . . . . . . . 58

Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Содержание Cond 1970i

Страница 1: ...ba75692e02 07 2009 Cond 1970i Operating manual cm S 5 2 5 0 30 C nLF ARng Tref25 TP REL1 RUN ENTER AUTO READ CAL STO M RCL ON OFF Cond 1970i Portable conductivity measuring instrument...

Страница 2: ...tween this operating manual and your instrument Also we cannot guarantee that there are absolutely no errors in this manual Therefore we are sure you will understand that we cannot ac cept any legal c...

Страница 3: ...dissolved solids 19 4 2 5 AutoRead AR drift control and hold function 20 4 3 Determining setting up the cell constant C 21 4 3 1 Determining the cell constant calibrating 23 4 3 2 Setting the cell con...

Страница 4: ...interface 45 4 6 4 Remote control 45 4 7 Configuration 46 4 8 Reset 49 5 Maintenance cleaning disposal 51 5 1 Maintenance 51 5 2 Cleaning 51 5 3 Disposal 51 6 What to do if 53 7 Technical data 55 7 1...

Страница 5: ...and measuring certainty for all applications The proven procedures to determine or set up the cell constant support you in your work with the measuring instrument The special AutoRead function enable...

Страница 6: ...Safety datasheets You will find information on available literature in the WTW catalog or via the Internet 1 1 Display Sal pH mV pH S O Oxi TEC REL2 REL1 m cm S cm 1 Sal 8 8 8 8 8 88 1 C Time Year LoB...

Страница 7: ...ne or set up the cell constant Select temperature compensation CAL Activate deactivate the AutoRead function AUTO READ Confirm entries start AutoRead output measured values RUN ENTER Select the measur...

Страница 8: ...cells to the measuring instrument that cannot return any voltages or currents that are not allowed SELV and current circuit with current limiting Nearly all measuring cells especially WTW measuring c...

Страница 9: ...apters of this operating manual use safety instructions such as the label shown below to indicate various hazards or dangers Warning indicates instructions that must be followed precisely in order to...

Страница 10: ...ronment the formation of condensate can lead to the faulty func tioning of the instrument In this event wait until the temperature of the instrument reaches room temperature before putting the instrum...

Страница 11: ...ry or with the plug in power supply The plug in power supply supplies the measuring instrument with low voltage 12 V DC At the same time the rechargeable battery is charged Charging time of the batter...

Страница 12: ...n 3 2 POWER SUPPLY z Set the date and time Setting the date and time 1 Connect the plug 1 to the socket 2 of the measuring instru ment 2 Connect the original WTW plug in power supply 3 to an easily ac...

Страница 13: ...et the current year with 9 Confirm with RUN ENTER The hours flash on the display 10 Set the current time with 11 Confirm with RUN ENTER The minutes flash on the display 12 Set the current time with 13...

Страница 14: ...ains a sponge rubber insert that can be moistened with deionized water Note For further details on proper storage refer to the operating manual of the sensor Moistening the quiver insert 1 Press the q...

Страница 15: ...ive z if the power is supplied by the plug in power supply z if the communication cable and a PC with a running communication program are connected z if the recorder cable is connected z if the printe...

Страница 16: ...is ensures the reproducibility of the measur ing signal For details of how to switch the AutoRead function on off see page 20 Preparatory activities Perform the following preparatory activities when y...

Страница 17: ...egrated temper ature sensor Connection of the temperature sensor see section 1 3 SOCKET FIELD z You measure and enter the temperature manually Note The instrument automatically recognizes the type of...

Страница 18: ...e display 4 Wait for a stable measured value 1 Perform the preparatory activities according to section 4 2 1 2 Immerse the conductivity measuring cell in the test sample 3 Press the M key repeatedly u...

Страница 19: ...the upper dis play line The TDS factor appears in the lower display line 4 Using set the TDS factor 0 40 1 00 The TDS factor has to be determined by a comparative mea surement before 5 Wait for a stab...

Страница 20: ...rent AutoRead measurement can be terminated at any time accepting the current value by pressing RUN ENTER 1 Select the required measuring mode with M 2 Activate the AutoRead function with AR The curre...

Страница 21: ...raCon nominal cell constant 0 475 z 0 800 1 200 cm 1 cells with a cell constant of approx 1 Besides you can set the cell constant manually in the following ranges z 0 090 0 110 cm 1 z 0 250 2 500 cm 1...

Страница 22: ...g After a valid calibration the record is printed Sample printout Calibration evaluation After the calibration the measuring instrument automatically evaluates the current status of the calibration Th...

Страница 23: ...eatedly until the calibrated cell constant appears on the display CAL appears on the display 4 The displayed value is the current calibrated cell constant You can accept this setting for measuring wit...

Страница 24: ...RUN ENTER If a temperature sensor is connected the AR measurement to determine the cell constant starts The AR display indicator flashes until a stable signal is reached The cell constant determined i...

Страница 25: ...key repeatedly until CELL appears on the display 2 Press the RUN ENTER key 3 Press the CAL key repeatedly until the cell constant 0 010 cm 1 appears on the display 4 To return to the measuring mode Pr...

Страница 26: ...the M key From now on the new cell constant will be used REL1 Sal cm 1 K REL2 C TP Store AR LoBat nLF Lin Oxi Tref25 Tref20 ARng Cal TEC Auto Year Ident mV m C T 1 1 S pH Time No Day Month Baud RCL pH...

Страница 27: ...ey From now on the new cell constant will be used REL1 Sal cm 1 K REL2 C TP Store AR LoBat nLF Lin Oxi Tref25 Tref20 ARng Cal TEC Auto Year Ident mV m C T 1 1 S pH Time No Day Month Baud RCL pH cm S m...

Страница 28: ...ture compensation Each time the instrument is switched on the adjusted cell constant and temperature compensation are shown on the display for a short time see section 4 1 SWITCHING ON THE MEASURING I...

Страница 29: ...until nLF appears on the dis play 4 To return to the measuring mode Press the M key From now on nLF will be used for the temperature compensation E C REL1 Sal cm 1 K REL2 C TP Store AR LoBat nLF Lin...

Страница 30: ...ing mode Press the M key From now on the adjusted linear temperature coefficient will be used for the temperature compensation E C REL1 Sal cm 1 K REL2 C TP Store AR LoBat nLF Lin Oxi Tref25 Tref20 AR...

Страница 31: ...pears 4 The temperature compensation is switched off 5 To return to the measuring mode Press the M key From now on the instrument will measure without temperature com pensation E C REL1 Sal cm 1 K REL...

Страница 32: ...storage in two ways z Save manually z Switch on AutoStore Int 1 4 5 1 Saving manually You can transmit a measured value to the data storage as follows 1 Press the STO key The current number location n...

Страница 33: ...the measuring mode No TP 2 4 C REL1 Sal Cal RCL cm 1 S 0 m mg l O Oxi AR Year Day Month Tref20 LoBat Lin Sal pH C TEC Auto Time Baud K REL2 pH mV 1 Tref25 3 5 5 cm S nLF Store ARng Ident Saving the c...

Страница 34: ...key Int 1 appears on the display 3 Set the required interval between the saving procedures with 4 Confirm with RUN ENTER The number of free memory locations appears on the display 5 As soon as all of...

Страница 35: ...f by z setting the save interval Int 1 to OFF or z switching the measuring instrument off and then on again 6 Confirm with RUN ENTER The prompt for the ID number appears on the display 7 Set the requi...

Страница 36: ...appears on the display The storage location of the data record is displayed for approx 2 s then the respective temperature appears Display further elements of the data record ID number date time stora...

Страница 37: ...quired date appears on the display After approx 2 s the temperature of the displayed measured value appears 1 Press the RCL key repeatedly until Sto SEr appears on the display 2 Press the RUN ENTER ke...

Страница 38: ...2 01 02 01 48 2 40 mS cm 21 6 C Tauto nLF Tref25 C 0 475 1 cm Ident 1 1 Press the RCL key repeatedly until CAL dISP appears on the display 2 Press the RUN ENTER key The cell constant appears on the di...

Страница 39: ...ef20 LoBat Lin nLF Sal pH C TEC Auto Store Time Baud K REL2 pH mV m cm S 4 7 5 C 0 Cal Tref25 cm 1 RCL 1 Press the RCL key repeatedly until CAL SEr appears on the display 2 Press the RUN ENTER key The...

Страница 40: ...ollows to clear all data records Note The calibration data remain stored and can be called up 1 Switch off the measuring instrument 2 Press the STO key and hold it down 3 Press the ON OFF key The disp...

Страница 41: ...alog recorder output page 43 measured values are out put as voltage values z With the KOM pilot communication kit accessory data can be transmitted bidirectionally page 45 Note If you connect a record...

Страница 42: ...min 1 Press the RUN ENTER key and hold it down 2 Press the RCL key Int 2 appears on the display 3 Set the required interval between the saving procedures with 4 Confirm with RUN ENTER The measuring in...

Страница 43: ...analog output corresponds to the value shown on the display Signal range The signal range of the analog output depends on the measured vari able and the measuring range Conductivity Salinity 1 free 2...

Страница 44: ...Operation Cond 1970i 44 ba75692e02 07 2009 TDS Measuring range Voltage Resolution 0 1999 mg l 0 1999 mV 1 mV...

Страница 45: ...rthed media as incorrect values would result Set up the following transmission data at the PC printer Socket assignment 4 6 4 Remote control The measuring instrument can be remotely controlled from a...

Страница 46: ...n interval Int 3 1 180 999 d AutoRange ARng On or off Reference temperature 25 C TREF25 20 C TREF20 Date time Any 1 Switch off the measuring instrument 2 Press the M key and hold it down 3 Press the O...

Страница 47: ...8 1 8 Using switch between no and YES YES Switch on AutoRange no Switch off AutoRange 9 Confirm with RUN ENTER The adjusted reference temper ature appears on the display I Time d Cal TEC pH REL1 O AR...

Страница 48: ...e current year with 17 Confirm with RUN ENTER The hours flash on the display 18 Set the current time with 19 Confirm with RUN ENTER The minutes flash on the display 20 Set the current time with 21 Con...

Страница 49: ...ts lost when the measuring parameters are re set Recalibrate after performing a reset Configuration parameters The following configuration parameters InI are reset to the delivery status Measuring mod...

Страница 50: ...uration pa rameters REL1 O pH Day Month 0 9 Tref25 Time Cal I AR cm 1 TP ARng nLF C cm S Sal RCL S m mg l Oxi Year Ident No Tref20 LoBat Lin Sal TEC Auto Store Baud K REL2 pH mV n o i in 5 Using switc...

Страница 51: ...instrument is sent out in a protective transport packing We recommend Keep the packing material The original packing pro tects the measuring instrument from transport damages Rechargeable battery Remo...

Страница 52: ...tenance cleaning disposal Cond 1970i 52 ba75692e02 07 2009 Measuring instrument Dispose of the measuring instrument without the rechargeable battery as electronic waste at an appropriate collection po...

Страница 53: ...llowed Processor reset Press the RCL and ON OFF keys at the same time and release them again The software version is displayed Cause Remedy The measured value lies outside the measuring range Measurin...

Страница 54: ...e instrument Cause Remedy Calibration interval expired Recalibrate the measuring system Cause Remedy All memory locations are full Output data storage and clear data storage Cause Remedy E g a questio...

Страница 55: ...mbient conditions Power supply Operation 10 C 55 C Storage 25 C 65 C Climatic class 2 Rechargeable battery Nickel cadmium NiCad rechargeable battery Operational life approx 600 hours with one charging...

Страница 56: ...when the recorder is connected by the cable AK 323 S pH output signal 200 1999 mV for the range 2 00 19 99 mV output signal 1999 1999 mV for the range 1999 1999 mV for the range Accuracy 0 5 of displ...

Страница 57: ...Cond 1970i Technical data 57 ba75692e02 07 2009 Climatic class VDI VDE 3540 IP protection EN 60529 1991...

Страница 58: ...riable Measuring range Resolution S cm 0 000 1 999 0 00 19 99 0 0 199 9 0 1999 0 001 0 01 0 1 1 mS cm 0 00 19 99 0 0 199 9 0 500 0 01 0 1 1 SAL 0 0 70 0 according to the IOT table 0 1 TDS mg l 0 1999...

Страница 59: ...rature compensation TC none 0 5 Nonlinear 0 5 0 C 35 C according to EN 27 888 0 5 35 C 50 C Extended nLF function according to WTW mea surements Linear 0 5 10 C 75 C SAL Range 0 0 42 0 0 1 5 C 25 C 0...

Страница 60: ...Technical data Cond 1970i 60 ba75692e02 07 2009...

Страница 61: ...explains the indicators and the abbreviations that appear on the display and in the manual Specialist terms The glossary briefly explains the meaning of the specialist terms How ever terms that should...

Страница 62: ...I Initialization Resets individual basic functions to the status they had on delivery Lin Linear temperature compensation LoBat Battery almost empty Low Battery nLF Nonlinear temperature compensation...

Страница 63: ...ion Conductometry Name of the conductivity measuring technique Measured parameter The measured parameter is the physical dimension determined by measuring e g pH conductivity or D O concentration Meas...

Страница 64: ...ds TDS factor In conductometric measurements the measuring instrument calcu lates the total dissolved solids TDS from the electric conductivity of the test sample For the calculation a simple multipli...

Страница 65: ...ontrol 20 E Energy saving feature 15 Error messages 53 I Initial commissioning 12 14 Initialization 49 Interval data transmission 41 save 34 K Keys 7 L LoBat 53 M Mains operation 11 Measuring the temp...

Страница 66: ...Index Cond 1970i 66 ba75692e02 07 2009...

Страница 67: ...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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