CON 400 and CON 410 - Oakton Instruments
Contents
1. 23 Instruction Manual CON 400 410 7 1 Advanced SETUP Mode Overview Press the SETUP key to enter Set up mode Press the MI A or MR keys to scroll through sub groups Press ENTER key to enter a particular parameter See Addendum 4 on page 48 for a table of meter factory default settings P1 0 Memory clear P1 0 Clear all stored readings P2 0 Viewing previous calibration data P2 1 First range calibration point P2 2 Second range calibration point P2 3 Third range calibration point P2 4 Fourth range calibration point P2 5 Fifth range calibration point SETUP P3 0 Viewing electrode data P3 1 Effective cell constant for first range E E E P3 2 Effective cell constant for second range P3 3 Effective cell constant for third range D 3 g P3 4 Effective cell constant for fourth range g P3 5 Effective cell constant for fifth range Kess SETUP P4 0 Unit configuration P4 1 READY indicator and auto endpoint function TUE select on or off SS P4 2 Select C or F P4 3 Select Automatic or Manual Temperature H UU Compensation P4 4 Setting TDS conversion factor CON 410 meter only 25 Instruction Manual SETUP LEL Psg SETUP LI P10 SETUP MEAS r St P80 CON 400 410 P5 0 Temperature P5 1 Adjusting temperature coefficient P5 2 Adjusting normalization temperature P6 0 Selecting cell constant P6 1 Selecting cell constant K 1 0 10 or 0 1 P7 0 Setting Clock e Setting Year e2. 5 Calculate the TDS factor of your solution See A Addendum 2 on page 46 for information on how to calculate the TDS factor 6 Press the MI A or MR V keys to select your A J 5 ppt calculated TDS conversion factor i SR 7 Press the ENTER key to confirm selection and to E dS return to the subgroup menu Press the CAL MEAS key to return to measurement mode Figure 29 Change of TDS factor 2332 Instruction Manual CON 400 410 7 6 P5 0 Temperature 7 6 1 P5 1 Adjusting the temperature coefficient The temperature coefficient is the amount of change in conductivity per degree of temperature it is expressed in percent per C Entering the exact temperature coefficient of your solution lets you accurately compensate temperature for almost any solution You can adjust 0 0 to 10 0 per C Meter default is 2 1 per C Adjustment to 0 0 will not correct for temperature effects so the displayed value will be the actual value at the displayed temperature From measurement mode 1 Press SETUP key to enter Set Up mode 2 Press the MI A or MR V keys to scroll through subgroups until you view parameter P5 0 3 Press the ENTER key to select parameter 5 1 The display shows t CO on the upper display I 4 Press the ENTER key again The upper display shows the temperature coefficient and the lower display shows t CO 5 Press the MI A or MR V keys to select the temperature coefficient of your solution 6 Pre
3. This will retain the meter s old calibration data in the measuring range of the calibration You can offset the conductivity reading up to 40 from factory default value If your measured value differs by more than 40 clean or replace probe if needed The minimum offset reading allowable is limited to 10 of full scale reading of the CON 400 410 Immerse probe beyond upper steel band Figure 7 Proper Immersion of the conductivity probe range you are working in The maximum offset reading allowed is the range full scale reading Eutech Instruments Oakton Instruments offers a wide selection of high quality calibration standards See page 44 for more information 11 Instruction Manual CON 400 410 4 5 TDS Calibration 4 5 1 Calibrating for TDS directly MEAS For CON 410 meter only d 5 5 The factory default setting for the TDS conversion factor is ppm 0 50 If your solution has a different TDS factor you can 258 ATC improve calibration accuracy by setting the TDS factor prior to calibration See page 33 for directions 1 If necessary press the MODE key to select TDS mode 2 Rinse the probe thoroughly with DI water or a rinse solution then rinse with a small amount of calibration standard 3 With the yellow probe guard attached dip the probe into the calibration standard Immerse the probe tip beyond the upper steel band Stir the probe gently to create a homogeneous sample Allow time for the
4. minute digits will flash 14 Press the MI A or MR V keys to toggle to the correct minutes 15 Press the ENTER key to confirm the minutes and move to second digits will flash See Figure 34 16 Press the MI A or MR V keys to toggle to the correct seconds 17 Press the ENTER key to confirm the seconds and return to century selection 18 Press the CAL MEAS key to return to the subgroup menu Press the CAL MEAS key again to return to measurement mode NOTES Press the CAL MEAS key at any point while setting the time to return to the subgroup menu Figure 34 Selecting hour minutes and seconds 38 Instruction Manual CON 400 410 7 9 P8 0 Resetting to factory default settings Program 8 0 lets you reset all parameters to factory default settings This clears all calibration data memory and any other setup functions you might have changed It does not clear clock settings From measurement mode SETUP MEAS 1 Press SETUP key to enter Set Up mode St 2 Press the MI A or MR V keys to scroll through r subgroups until you view parameter P8 0 3 Press the ENTER key to enter parameter P8 0 4 Press the MI A or MR V keys to toggle between NO and YES NO retains current settings YES resets to factory default settings 5 Press the ENTER key to confirm selection and to SETUD MEAS return to the measurement mode Otherwise press P St CAL MEAS key to return to measurement mode without resetting to fac
5. 1 00 available in TDS 400 and CON 410 meters only P5 1 Temperature coefficient SER Adjustable from 0 0 to 10 P5 2 Normalisation temperature 25 C Adjustable from 15 to 30 C P6 1 Cell constant 1 0 Select from k 1 0 0 1 or 10 P8 0 Factory default No Retains your current settings NOTES The P7 0 clock function retains the year and time that you set even after reverting to factory default settings 48 Instruction Manual CON 400 410 17 WARRANTY This meter is supplied with a three year warranty six month warranty for probe against significant deviations in material and workmanship If repair or adjustment is necessary and has not been the result of abuse or misuse within the designated period please return freight pre paid and correction will be made without charge Eutech Instruments Oakton Instruments will determine if the product problem is due to deviations or customer misuse Out of warranty products will be repaired on a charged basis Exclusions The warranty on your instrument shall not apply to defects resulting from Improper or inadequate maintenance by customer Unauthorised modification or misuse Operation outside of the environment specifications of the products 49 Instruction Manual CON 400 410 18 RETURN OF ITEMS Authorisation must be obtained from our Customer Service Department or authorised distributor before returning items for any reason A Retu
6. 1413 uS in the 0 to 1999 uS range and you recalibrate at 1500 uS also in the O to 1999 uS range the meter will replace the old calibration data 1413 uS in that range The meter will retain all calibration data in other ranges To completely recalibrate your meter or when you use a replacement probe it is best to clear all calibration data in memory To erase all the old conductivity and TDS calibration data completely from memory see SETUP section Program 8 0 on page 39 For information on how to calibrate your meter e See section 4 3 for Temperature Calibration e See section 4 4 for Conductivity e See section 4 5 for TDS Calibration CON 410 meter only e See Addendum 1 for more calibration tips Instruction Manual CON 400 410 4 2 Preparing the Meter for Calibration Before starting calibration make sure you are in the correct measurement mode When you switch on the meter the meter begins with the units you shut it off in For best results select a standard value close to the sample value you are measuring Alternatively use a calibration solution value that is approximately 2 3 the full scale value of the measurement range you plan to use For example in the 0 to 1999 uS conductivity range use a 1413 uS solution for calibration Do not reuse calibration solutions after calibration Contaminants in the solution can affect the calibration and eventually the accuracy of the measurements Use fresh calibration solution each
7. Setting Date month day e Setting Time hour minute second P8 0 Reset to factory defaults P8 0 Reset meter to factory defaults 26 Instruction Manual CON 400 410 7 2 P 1 0 Memory Clear CLr Use this parameter to clear all stored memory values when you need to store a new series of values This lets you avoid confusing the old values with the new ones NO is the default setting NOTE Selecting YES will wipe out all memory From measurement mode 1 2 Press the SETUP key to enter Set Up mode Press the MI A or MR V keys to scroll through subgroups until you view the parameter P1 0 Press the ENTER key to enter parameter P1 0 Press the MI A or MR V keys to toggle between NO and YES NO retains current memory YES clears all memory See Figure 23 Press the ENTER key to confirm selection and return to the subgroup menu Press CAL MEAS key to return to measurement mode Figure 23 P1 0 Memory Clear 27 Instruction Manual 7 3 P2 0 Viewing calibration data This mode lets you recall previous calibration data which helps you know when to re calibrate your meter This is a view only mode See Figure 24 From measurement mode 1 Press the SETUP key to enter Set up mode 2 Press the MI A or MR V keys to scroll through subgroups until you view parameter P2 0 3 Press ENTER key repeatedly to view previous calibration data The meter will first display the calibration point and then di
8. You can use this feature to alert you to the need for a new probe prior to total failure 29 CON 400 410 Figure 25 View probe data for each measurement range Instruction Manual CON 400 410 7 5 P4 0 Unit configuration 7 5 1 P4 1 READY indicator and auto endpoint function Program P4 1 lets you select READY indicator on to indicate when your measurement is stable or select READY indicator off for faster meter response Program P4 1 also lets you switch the Auto endpoint function on or off Select auto endpoint on to hold your measurement when it is stable for more than 5 seconds The display automatically freezes and HOLD indicator appears on the left side of the display Press the HOLD key to release the display and access other functions Select auto endpoint off to deactivate this feature SETUP READY From measurement mode 1 Press SETUP key to enter Set Up mode 2 Press the MI A or MR V keys to scroll through subgroups until you view parameter P4 0 READY 3 Press ENTER key to select parameter 4 1 4 Press the MI A or MR V keys to select the configuration you require e OFF switches the READY indicator off ON switches the READY indicator on ON and HOLD together switches the auto endpoint feature on 5 Press ENTER key to confirm selection and to proceed to step 4 of P4 2 You can also press the READY CAL MEAS key to return back to measurement Ser mode NOTE Meter default
9. an auto endpoint feature When this feature is switched on and when a reading is stable for more than 5 seconds the display will automatically HOLD the reading The HOLD indicator appears Press the HOLD key to release the reading To switch on or off the auto endpoint feature see SETUP program P4 1 on page 30 20 Instruction Manual CON 400 410 6 MEMORY AND DATA INPUT FUNCTIONS 6 1 Memory Input MEAS READY uS Your meter stores up to 50 sets of data Data sets 8 d 3 include conductivity temperature date and time d 7 3 c D ATC To store a reading 1 During any measurement function MEAS press MI A key to input any data into the memory 2 MEM Sto and memory number will flash The meter then returns to measurement mode 3 If necessary measure the next sample solution and press MI A key to input the next data into the memory See figure 14 NOTE If the memory is full the first value stored will be erased to create space for the new value MEAS READY 5 6 o us Ce H ie MEM MEM d Figure 14 Memory input 21 Instruction Manual 6 2 Memory Recall This function recalls the previous readings stored in the memory You can access MR from the measurement mode only Memory recall is in Last In First Out order To recall readings 1 Press the MR V key once to retrieve the last reading stored The memory location screen MEM Loc and the memory number
10. helps you to meet the Good Laboratory Practice GLP standards From measurement mode 1 Press SETUP key to enter Set Up mode 2 Press the MI A or MR V keys to scroll through subgroups until you view parameter P7 0 3 Press the ENTER key to enter parameter P7 0 The meter lets you select the century 19 or 20 The century digits will flash 4 Press the MI A or MR V keys to toggle to the correct century 5 Press ENTER key to confirm the century and move to year selection The year digits will flash 6 Press the MI A or MR V keys to toggle to the correct year See Figure 33 7 Press ENTER key to confirm the year and move to month selection The month digits will flash 8 Press the MI A or MR V keys to toggle to the correct month 9 Press the ENTER key to confirm the month and move to date selection The date digits will flash See Figure 33 10 Press the MI A or MR V keys to toggle to the correct date 11 Press the ENTER key to confirm the date and move to hour selection The hour digits will flash See Figure 34 next page Figure 33 P5 0 Setting century year month and date 37 Instruction Manual CON 400 410 12 Press the MI A or MR V keys to toggle to the correct hour Note the AM and PM indicator on the lower portion of the display 13 Press the ENTER key to confirm the hour and move to minute selection The
11. measurement throughout the entire range of the meter If a range was not calibrated the meter automatically detects the closest range calibrated and uses that calibration information However only the ranges that were calibrated have maximum accuracy e If you are measuring in ranges near to or greater than 20 mS 10 ppt or near to or lower than 100 uS 50 ppm calibrate the meter at least once a week to get specified 1 F S accuracy e If you are measuring in the mid ranges and you washed the probe in deionized water and stored it dry calibrate the meter at least once a month e Wet the probe for 10 minutes before calibrating or taking readings to saturate the probe surface and minimize drift If you make measurements at extreme temperatures calibrate the meter at least once a week You should only use the conductivity TDS temperature probe specified for these meters These probes have a built in temperature sensor If you use a different probe without a temperature sensor you must measure the solution temperature separately and manually enter the solution temperature see manual temperature compensation section on pages 16 17 45 Instruction Manual CON 400 410 14 ADDENDUM 2 CALCULATING TDS CONVERSION FACTORS You can calibrate your meter using TDS calibration standard solutions The calibration standard only needs to give the TDS value at a standard temperature such as 25 C To determine the conductivity to TDS
12. reading to stabilise 4 Press CAL MEAS to enter TDS calibration mode The CAL indicator will appear in the upper right corner of the READY display 5 Press the MI A or MR V to change the value on the primary display to match the value of the calibration standard referenced to your normalisation temperature usually 25 C 6 Press ENTER to confirm the calibration value The meter returns to the MEAS measurement mode MEAS 7 Repeat steps 1 to 6 for other measuring ranges nen J Og ppm NOTES 258 i To exit from TDS Calibration mode without confirming calibration DO NOT press the ENTER key in step 6 Press CAL MEAS instead This will retain the meter s old calibration data in the measuring range of the calibration You can offset the TDS reading up to 40 from the default setting If your measured value differs by more than 40 clean or replace probe as needed The minimum offset reading allowable is limited to 10 of full scale reading of the range you are working in The maximum offset reading allowed is the range full scale reading Eutech Instruments Oakton Instruments offer a wide selection of high quality calibration standards See page 44 for more information Figure 8 TDS Calibration 12 Instruction Manual CON 400 410 4 5 2 Calibration with Conductivity Standard and TDS factor For CON 410 meter only The concentration of salts dissolved in solution increases the conductivity of that solution This rela
13. when turned ON Unstable readings Slow response Batteries not in place or battery housing is not attached to meter correctly Batteries not in correct polarity and position Weak batteries Air bubbles in probe Dirty probe Probe not deep enough in sample External noise pickup or induction caused by nearby electric motor Broken probe probe guard not in place Dirty Oily probe 41 CON 400 410 Check that batteries are in place and making good contact Re insert batteries with correct polarity Replace batteries Tap probe to remove bubbles Clean the probe and re calibrate Make sure sample entirely covers the probe sensors Move or switch off interfering motor Replace probe Attach probe guard Clean probe See Probe Care amp Maintenance page 40 Instruction Manual 10 ERROR MESSAGES CON 400 410 LCD Display Indicates Cause Solution Err annunciator Unrecognised input from keypad Wrong input in selected mode Release key Select valid operations depending on mode CAL amp Err annunciators on Buffer and electrode indicators blink Calibration error Wrong value input at calibration Dirty probe Check your input value clean probe See Calibration sections or Probe Maintenance section Battery indicator blinks Low battery level Need new batteries or battery connection i
14. with k 1 0 EC CONSEN91W EC CONWP410 03 35608 10 Waterproof CON 410 Hand held conductivity TDS meter complete with conductivity temp probe with k 1 0 EC CONSEN91W packed in hard plastic carry case EC CONWP410 03K Ultem body conductivity temp probe for CON 400 series meters k 1 0 16 X 110 mm 1 m cable EC CONSEN91W 35608 50 Ultem body conductivity temp probe for CON 400 series meters k 1 0 16 X 110 mm 5 m cable 35608 57 Epoxy body conductivity temp probe for CON 400 series meters k 0 1 12 X 110 mm 1 m cable Epoxy body conductivity temp probe for CON 400 series meters k 10 0 12 X 110 mm 1 m cable EC CONSEN72W EC CONSEN73W 35608 55 35608 51 Hard carrying case WPDRYKIT 35632 98 Calibration Solutions Calibration standard solutions referenced to 25 C Eutech Instruments Oakton Instruments Ordering Code Ordering Code 10 uS single use pouches 20 mL x 20 pcs EC CON 10BS 35653 09 447 uS single use pouches 20 mL x 20 pcs EC CON 447BS 35653 10 1413 uS 480 mL bottle 1 pint EC CON 1413BT 00653 18 1413 uS single use pouches 20 mL x 20 pcs EC CON 1413BS 35653 11 2764 uS 480 mL bottle 1 pint EC CON 2764BT 00653 20 12 88 mS 480 mL bottle 1 pint EC CON 1288BT 00606 10 15 00 mS 480 mL bottle 1 pint 7 35653 13 44 Instruction Manual CON 400 410 13 ADDENDUM 1 CALIBRATION TIPS You only need one calibration for
15. Instruction Manual CON 400 and CON 410 Waterproof Hand held Conductivity TDS Meter 68X248904 nology Made Easy ISO 9001 Rev3 01 04 109001 Preface This manual serves to explain the use of the Waterproof CON 400 410 hand held meters It functions in two ways firstly as a step by step guide to help you to operate the meter Secondly it serves as a handy reference guide It is written to cover as many anticipated applications of the Waterproof CON 400 410 meters as possible If there are doubts in the use of the meter please do not hesitate to contact the nearest Authorised Distributor Eutech Instruments Oakton Instruments cannot accept any responsibility for damage or malfunction to the meter caused by improper use of the instrument The information presented in this manual is subject to change without notice as improvements are made and does not represent a commitment on the part of Eutech Instruments Pte Ltd Oakton Instruments Copyright 1999 Eutech Instruments Pte Ltd Oakton Instruments All rights reserved Rev 3 01 04 TABLE OF CONTENTS INTRODUG THON BE 1 DISPLAY AND KEYPAD FUNCTIONS 2 2 1 DISPLAY NTE SETTE 2 2 2 ENEE EE 3 PREPARATION Haut kaiene EE 4 3 1 INSERTING THE BATTERIES EE 4 3 2 CONDUCTIVITY ELECTRODE INFORMATION s ssssssskssisitsitintnitttstttintintatantntntatnnenna ena 5 3 3 CONNECTING THE PROBE TO THE METER 6 GALIBRATIONES SAS 7 4 1 IMPORTANT INFORMATION ON METER CA
16. MI A or MR V keys to select Automatic or Manual Temperature Compensation e YES Automatic Temperature Compensation activated e NO Manual Temperature Compensation activated Press the ENTER key to confirm selection and to KS return to the subgroup menu Press the CAL MEAS key to return to measurement mode SETUP HEL no Figure 28 Selecting Automatic or Manual Temperature Compensation 30 Instruction Manual CON 400 410 7 5 4 P4 4 Setting the TDS factor For CON 410 meter only The concentration of salts dissolved in solution increases the conductivity of that solution This relationship varies from salt to salt and is roughly linear over a given range for a given salt The TDS conversion factor is the number used by the meter to convert from conductivity to TDS To determine the conductivity to TDS conversion el factor for your solution Addendum 2 on page 46 explains the calculation in determining the conductivity to TDS conversion factor You can set the TDS conversion factor between 0 40 and 1 00 meter default is 0 50 From measurement mode 1 Press SETUP key to enter Set Up mode 2 Press the MI A or MR V keys to scroll through subgroups until you view parameter P4 0 3 Press the ENTER key five times to select parameter 4 4 The upper display shows tdS and the lower display shows P4 4 4 Press the ENTER key again The upper display shows a value and the lower display shows tdS
17. ON 400 410 5 MEASUREMENT This meter is capable of taking measurements with automatic or manual temperature compensation Factory default is set with automatic temperature compensation ATC on 5 1 Automatic Temperature Compensation For automatic temperature compensation ATC simply plug the conductivity TDS probe into the meter see page READY 6 for directions The ATC indicator will light on the LCD NOTE If the ATC indicator does not light manual temperature compensation may be selected in 245 E the meter s SETUP mode See Program P4 3 on page 32 for directions on selecting Automatic Temperature Compensation MEAS 1402 Figure 11 ATC annuftciator will light up when connected to temperature probe 15 Instruction Manual CON 400 410 5 2 Manual Temperature Compensation IMPORTANT For manual compensation you must deactivate the automatic temperature compensation feature 5 2 1 Selecting Manual Temperature SETUP Compensation g A E To select between Automatic Temperature Compensation ATC and Manual Temperature Compensation in the D u A SETUP program P4 3 Meter default is ATC on P4 0 Configuration Setup From measurement mode Se l 1 Press SETUP key to enter Set Up mode 2 Press the MI A or MR V keys to scroll through subgroups until you view parameter P4 0 HE E 3 Press the ENTER key three times to select parameter l 4 3 The upper display shows ATC and the lower H q J c d
18. Press CAL MEAS key to return to measurement mode Figure 31 Adjusting the normalization temperature 35 Instruction Manual CON 400 410 7 7 P6 0 Selecting the cell constant Your meter lets you select a cell constant of K 1 0 10 or 0 1 Use a cell of K 1 0 for midrange measurements Use a cell of K 10 for high range measurements above 20 mS or 10 ppt Use a cell of K 0 1 for low range measurements below 20 uS or 10 ppm The cell included with your meter has a cell constant of K 1 0 From measurement mode 1 Press SETUP key to enter Set Up mode 2 Press the MI A or MR V keys to scroll through subgroups until you view parameter P6 0 3 Press the ENTER key to select parameter 6 1 4 Press the MI A or MR V keys to select the cell constant between K 1 0 0 1 or 10 5 Press the ENTER key to confirm selection and to return to the subgroup menu Press the CAL MEAS key to return to measurement mode NOTES When using a cell of K 0 1 the lowest measuring range will be 0 to 1 999 uS 0 to 0 999 ppm The 0 to 199 9 ms 10 to 200 ppt range will not be accessible When using a cell of K 10 the highest measuring range will be 0 to 1999 mS 100 to 2000 ppt The 0 to 19 99 uS 0 00 to 9 99 ppm range will not be accessible Figure 32 Selecting cell constant 36 Instruction Manual CON 400 410 7 8 P7 0 Setting the real time clock The meter features a real time calendar and clock This
19. Setup mode Press the MR key until the lower display reads P5 0 Press the ENTER key twice The lower display reads tCO and the upper display shows the temperature coefficient value should be 0 as per step 1 above Press the MI A key until the upper display shows your calculated temperature coefficient Press ENTER key to confirm the value Press CAL MEAS key twice to return to measurement mode The calculated temperature coefficient will not be applied to all the meter readings 47 Instruction Manual CON 400 410 16 ADDENDUM 4 METER FACTORY DEFAULT SETTINGS Type Parameter Default Remarks P1 0 Memory clear No Retains current memory P2 1 Viewing previous No calibration data for 1 range P2 2 calibration data No calibration data for 2 range P2 3 No calibration data for 2 range P2 4 No calibration data for 4 range P2 5 No calibration data for 5 range P3 1 Viewing probe data 1 0 No offset for effective cell constant 1 range P3 2 1 0 No offset for effective cell constant 279 range P3 3 1 0 No offset for effective cell constant 3 range P3 4 1 0 No offset for effective cell constant IEN range P3 5 1 0 No offset for effective cell constant 5 range P4 1 Ready indicator auto READY ON Ready indicator on auto endpoint off endpoint P4 2 Select C F C Degrees Celsius P4 3 ATC on or off ATC on P4 4 TDS factor 0 50 Adjustable from 0 40 to
20. UBRATION 7 4 2 PREPARING THE METER FOR CALIBRATION pr 4 3 TEMPERATURE CALIBRATION Gustad Ce Mea 4 4 CONDUCTIVITY CALIBRATION arnnnrenvnnnvenvrnnvenvrrnnnnvernnnnrrsvrnnnennnrnnesvrrnnrsnrsnnnnresnernnrnnennn 4 5 TDS CALIBRATION ccsecseseeeeesees 4 5 1 Calibrating for TDS directly 4 5 2 Calibration with Conductivity Standard and TDS factor svrrnrnnvrnnrnnvrrnrnnrnr 13 MEASUREMENN vs ER 15 5 1 AUTOMATIC TEMPERATURE COMPENSATION sresrrs ven renrnnnrnevenrennrnerrerrerreneenernrrrerrennene 15 5 2 MANUAL TEMPERATURE COMPENSATION cesccesseseeseeseeesecseeeeecseseeeaeeaeeeseeseeseeeaeens 16 5 2 1 Selecting Manual Temperature Compensaton eane 16 5 2 2 Setting a manual temperature compensation value 17 5 3 TAKING MEASUREMENTS EE 18 5 4 USING MANUAL RANGING FUNGCTION 19 5 5 HOLD FUNGTIOSN knes er 20 MEMORY AND DATA INPUT FUNCTIONS rrrrrrnrrnnnnrrrrrrnnrnnnrrrrnnennnnnnnnnrvnnnn 21 6 1 MEMORYINPUT cruna ne n R O A a A 6 2 MEMORY RECALL ADVANCED SETUP FUNCTIONS mmnnnnnnnrvvnennnnnnnnrrnvernnnnnnnnrrnnnnssnnrnnnrrnnnnssnnnnn 23 7 1 ADVANCED SETUP MODE OMERVIEwW 25 7 2 P 1 0 MEMORY CLEAR Clm 27 7 3 P2 0 VIEWING CALIBRATION DATA 28 7 4 P3 0 VIEWING PROBE DATA 29 7 5 P4 0 UNIT CONFIGURATION esrrnnvrnvrrnvrnvrrnvrnvernrnnvennrrnnennrrnnnsvrrnnns nes nennnesvennnnsnssnnnnnenne 30 7 5 1 P4 1 READY indicator and auto endpoint function aeearennvrnnvrrnnvrnvvennvre 30 7 5 2 P4 2 Selecting Got F oae a
21. ature coefficient of your sample solution use this formula Where DEES CH FEIN 5 tc Temperature coefficient 25 25 C Cr Conductivity at Temp 1 Cr2 Conductivity at Temp 2 Ti Temp 1 T2 Temp 2 NOTE A controlled temperature water bath is ideal for this procedure 1 Immerse the probe into a sample of your solution and adjust the temperature coefficient to 0 that is no compensation by performing the following Err A EN From measurement mode press the SETUP key to enter Setup mode Press the MI A or MR V key until the lower display reads P5 0 Press the ENTER key twice The lower display reads tCO and the upper display shows the temperature coefficient value Press the MR V key until the upper display shows 0 0 Press ENTER key to confirm the value Press CA MEAS key twice to return to measurement mode Wait for 5 minutes Note Ti and Cy conductivity at T4 Condition the sample solution and probe to a temperature T2 that is about 5 C to 10 C different from T and note the conductivity reading Cro NOTE Record your results for future reference Ideally Ti and T should bracket your measurement temperature and should not different by more than 5 C 4 Calculate the temperature coefficient of your solution according to the formula shown above 5 Enter the temperature coefficient you calculated into the meter A B C D E F From measurement mode press the SETUP key to enter
22. conversion factor use the following formula Factor Actual TDS Actual Conductivity 25 C Definitions e Actual TDS Value from the solution bottle label or as a standard you make using high purity water and precisely weighed salts e Actual Conductivity Value measured using a properly calibrated Conductivity Temperature meter Both the Actual TDS and the Actual Conductivity values must be in the same magnitude of units For example if the TDS value is in ppm the conductivity value must be in uS if the TDS value is in ppt the conductivity value must be in mS Check your factor by multiplying the conductivity reading by the factor in the above formula The result should be in TDS value 14 1 Preparing your own TDS calibration standards If you are trying to measure a concentration of a fertilizer sea salt or other sample that uses multiple salts that may not be relevant to commercially available KCI based standards it may be desirable to prepare your own TDS standards Since ppm is expressed as milligrams per Liter the preparation is relatively simple with an analytical balance One gram of water 1 mL 1 cubic centimeter To prepare a TDS calibration standard of 750 ppm weigh out 750 milligrams 0 75 grams of your salt or fertilizer and dissolve into 1000 grams 1 liter of purified water 46 Instruction Manual CON 400 410 15 ADDENDUM 3 CALCULATING TEMPERATURE COEFFICIENTS To determine the temper
23. cting the CON 400 410 waterproof portable meter This meter is a microprocessor based instrument that is designed to be user friendly and allow one hand operation It has a built in real time clock expanded memory and many other user friendly features all of which are accessible through the membrane keypad It is completely WATERPROOF and it FLOATS You have one of the following models e CON 400 meter reads conductivity and temperature e CON 410 meter reads conductivity TDS and temperature Your meter includes 4 AAA batteries and a conductivity electrode cell constant K 1 0 with built in temperature sensor Please read this manual thoroughly before operating your meter Instruction Manual CON 400 410 2 DISPLAY AND KEYPAD FUNCTIONS 2 1 Display The LCD has a primary and secondary display e The primary display shows the measured conductivity or TDS reading e The secondary display shows the measured temperature The display also shows error messages keypad functions and program functions See Figure 1 Primary Display 20 19 18 17 ooqatt 16 SL ATC 15 1413 11 Secondary Display 10 Figure 1 Full LCD Screen 1 SETup mode indicator 8 parts per million indicator CON 15 Probe indicator 410 meter only 2 MEASurement mode indicator 9 Temperature indicator 16 Calibration solution indicator 3 CALibration indicator 10 Automatic Temperature 17 Cell constant indicator Compensation indicator 4 MEMo
24. ductivity or TDS calibration mode press the MODE key to enter temperature calibration mode The primary display shows the current temperature setting and the secondary display shows the default value 25 C 77 F or its last set value 5 Check the temperature of your sample using an accurate thermometer 6 Press the MI A or MR V keys to offset the temperature to the measured value from step 5 7 Press ENTER to confirm the selected temperature and Figure 9 Manual Temperature SC Compensation to return to the conductivity or TDS measurement mode The meter will now compensate conductivity or TDS readings for manually set temperature NOTES To exit this program without confirming the manual temperature compensation value DO NOT press ENTER in step 7 Press CAL MEAS instead 17 Instruction Manual CON 400 410 5 3 Taking Measurements To take readings MEAS 1 Rinse the probe with DI or distilled water before use READY 4 LU 5 to remove any impurities adhering to the probe j body Shake or air dry To avoid contamination or dilution of your sample rinse probe with a small volume of your sample liquid 2 Press ON to switch on meter and the MEAS annunciator appears on the top center of the LCD 3 Dip the probe into the sample 213 Figure 10 During measurement When dipping the probe into the sample take care to ensure that the liquid level is above its upper steel band Stir the probe gently in the
25. e a i eaea eenaa aaa ea O teates tile avd 31 7 5 3 P4 3 Selecting Automatic or Manual Temperature Compensation 32 7 5 4 P4 4 Setting the TDS factor AAA 33 7 6 P5 0 TEMPERATURE geet as ata da en d y dat akebakke 34 7 6 1 P5 1 Adjusting the temperature coefficient rrrrrnrvnornrrrnrnnrrennnrrrrnn renere 34 7 6 2 P5 2 Adjusting the normalization temperature rrrvnnnnvrenonnrrennnnrrnnnn renn ner 35 7 7 P6 0 SELECTING THE CELL CONSTANT c cceceeeeeeeeeeeeeeeeeeeeaeeseeeeeeeseaeeeaeeeeaeeseeeaes 36 7 8 P7 0 SETTING THE REAL TIME CLOCK ccccceseceeeeeeseeeeeeeeeeeeaeeeeeeeeeeeseaeeeeeeeaeeneeeaaes 37 7 9 P8 0 RESETTING TO FACTORY DEFAULT SETTINGS 39 8 PROBE CARE AND MAINTENANCE envrrnvonnrennrernrervrnrvnnvvnnvvennrernrerverrennrennen 40 9 TROUBLE SHOOTING GUIDE ee eee cee teee tees teeter eter seaeeeeeeeeeeas 41 10 ERROR MESSAGES innredn 42 11 SPECIFICATIONS 2 2 ea eege ccs tie ES ei ths E ee eel 43 12 AGGESS RIES unne 44 13 ADDENDUM 1 CALIBRATION TIPS renvnnnvnnnvennvennrernrenvrnnvonnrnnnvennrenneennnn 45 14 ADDENDUM 2 CALCULATING TDS CONVERSION FACTORS 46 14 1 PREPARING YOUR OWN TDS CALIBRATION STANDARDE 46 15 ADDENDUM 3 CALCULATING TEMPERATURE COEFFICIENTS 47 16 ADDENDUM 4 METER FACTORY DEFAULT SETTINGS ee 48 17 WARRANTY pusser eee 49 18 RETURN OF ITEMS urent nd d nisse 50 Instruction Manual CON 400 410 1 INTRODUCTION Thank you for sele
26. hile in Measurement mode The first N JH 3 us range will appear on the display and the MEAS indicator blinks 2 Press the RANGE key again if needed until desired range is selected 3 To re select the Auto ranging function repeatedly press the RANGE key until the MEAS indicator appears without blinking ped mem MEAS sed READY 1413 If the value of the solution you are measuring is higher than A the range selected Or will appear on the primary display SE arc Press RANGE until the correct range is selected Figure 11 Manual ranging MEAS READY A us The meter resets to the Auto ranging function once it is r turned off You will have reset the manual ranging function each time you turn the meter off ee Figure 12 Out of range 19 Instruction Manual CON 400 410 5 5 HOLD Function This feature lets you freeze the display for a delayed observation HOLD can be used any time in MEAS mode 1 To hold a measurement press the HOLD key while in measurement mode HOLD will appear on the display 2 To release the held value press the HOLD again Continue to take measurements Figure 13 HOLD function NOTE e This meter shuts off automatically after 20 minutes of nonuse without key press e If the meter is shut off either automatically or manually the HOLD value will be lost For longer storage use the memory functions see pages 21 22 e Your meter has
27. is set for Ready Indicator on and auto endpoint function off Figure 26 Configuring the READY feature 30 Instruction Manual CON 400 410 7 5 2 P4 2 Selecting C or F You can select between C and F units for temperature readings Meter default is C From measurement mode 1 2 See Figure 27 Press SETUP key to enter Set Up mode l Press the MI A or MR V keys to scroll through ec subgroups until you view parameter P4 0 Press the ENTER key two times to select parameter 4 2 Press the MI A or MR V keys to toggle between C and F Press the ENTER key to confirm selection and to proceed to step 3 of P4 3 Press the CAL MEAS key to return to measurement mode Figure 27 Change Temperature measurement unit 31 Instruction Manual CON 400 410 7 5 3 P4 3 Selecting Automatic or Manual Temperature Compensation This feature lets you select between Automatic Temperature Compensation ATC and Manual Temperature Compensation Meter default is ATC activated 1 From measurement mode Leeft Press SETUP key to enter Set Up mode GW 2 Press the MI A or MR V keys to scroll through subgroups until you view parameter P4 0 Press the ENTER key three times to select parameter HE L 4 3 The upper display shows ATC and the lower S display shows P4 3 P H 3 ATC Press the ENTER key again The upper display shows ATC and the lower display shows YES or NO Press
28. isplay shows P4 3 ATC 4 Press the ENTER key again The upper display shows ATC and the lower display shows YES or NO 5 Press the MI A or MR V to select between Automatic or Manual Temperature Compensation feature e YES Automatic Temperature Compensation activated e NO Manual Temperature Compensation activated 6 Press the ENTER key to confirm selection and to return to the subgroup menu Press the CAL MEAS KS key to return to measurement mode SETUP NOTE GEL Manual Temperature Compensation should only be selected if the ATC fails For non compensated ng BG measurements change the temperature coefficient to 0 0 see section 7 6 1 Selecting Automatic or Manual Temperature Compensation 16 Instruction Manual CON 400 410 5 2 2 Setting a manual temperature compensation value To use manual temperature compensation you need to manually enter the temperature value of your process into the meter You can select any temperature between 0 and 100 C 32 to 212 F Default value is 25 C To select a manual temperature compensation value 1 Switch the meter on Press the MODE key to select measurement mode 2 If necessary select ATC off as described in section 5 2 1 on page 16 The ATC indicator will not appear on the display 3 Press the CAL MEAS key to enter conductivity or TDS calibration mode The CAL indicator will appear above the primary display 4 While in con
29. rn Goods Authorisation RGA form is available through our authorised distributor Please include data regarding the reason the items are to be returned For your protection items must be carefully packed to prevent damage in shipment and insured against possible damage or loss Eutech Instruments Oakton Instruments will not be responsible for damage resulting from careless or insufficient packing A restocking charge will be made on all unauthorised returns NOTE Eutech Instruments Pte Ltd Oakton Instruments reserves the right to make improvements in design construction and appearance of products without notice 50 NOTES For more information on Eutech Instruments Oakton Instruments products contact your nearest distributor or visit our website listed below Oakton Instruments P O Box 5136 Vernon Hills IL 60061 USA Tel 1 888 462 5866 Fax 1 847 247 2984 E mail info 4oakton com Web sites www 40akton com www oaktoninstruments com Eutech Instruments Pte Ltd Bik 55 Ayer Rajah Crescent 04 16 24 Singapore 139949 Tel 65 6778 6876 Fax 65 6773 0836 E mail marketing Geutechinst com Web site www eutechinst com Distributed by
30. robe with 6 pin connector den ae _ locking ring top view of 6 pin connector of probe Figure 5 Connection for Conductivity probe 6 pin connector Instruction Manual CON 400 410 4 CALIBRATION 4 1 Important Information on Meter Calibration Your meter has five measuring ranges You can calibrate one point in each of the measuring ranges up to five points If you are measuring values in more than one range make sure to calibrate each of the ranges you are measuring To view current calibration points see SETUP section Program 2 0 on page 28 The following table lists the corresponding conductivity and TDS ranges You should calibrate each range using a solution that falls between the values in the recommended calibration solution range column Conductivity Recommended TDS Measuring Recommended Measuring Calibration Solution Range Calibration Solution Range Range Range 0 00 gt 19 99 uS 6 00 to 17 00 uS 0 00 gt 9 99 ppm 3 00 to 8 50 ppm 0 0 gt 199 9 uS 60 0 to 170 0 uS 10 0 gt 99 9 ppm 30 0 to 85 0 ppm 0 gt 1999 uS 600 to 1700 uS 100 gt 999 ppm 300 to 850 ppm 0 00 gt 19 99 mS 6 00 to 17 00 mS 1 00 gt 9 99 ppt 3 00 to 8 50 ppt 0 0 gt 199 9 mS 60 0 to 170 0 mS 10 0 gt 200 ppt 30 0 to 170 ppt When you recalibrate your meter old calibrations are replaced on a range by range basis For example if you previously calibrated your conductivity meter at
31. ry recall mode indicator 11 Clock indicator 18 ON OFF indicator 5 millisiemens indicator 12 ERRor indicator 19 HOLD indicator 6 microsiemens indicator 13 MEMory location indicator 20 READY indicator 7 parts per thousand indicator 14 Low battery indicator CON 410 meter only Instruction Manual CON 400 410 2 2 Keypad The large membrane keypad makes the instrument easy to use Each button when pressed has a corresponding graphic indicator on the LCD See Figure 2 Some buttons have several functions depending on its mode of operation Key Function ON OFF Powers on and shuts off the meter When you switch on the meter the meter starts up in the mode that you last switched off from For example if you shut the meter off in TDS measurement mode only in CON 410 meter the meter will be in TDS measurement mode when you switch the meter on HOLD Freezes the measured reading To activate press HOLD while in measurement mode To release press HOLD again MODE Selects the measurement parameter CON 400 meter Toggles between conductivity and time CON 410 meter Toggles between conductivity TDS and time CAL MEAS Toggles between Calibration and Measurement mode NOTE Temperature calibration is available from conductivity calibration mode see page 9 for directions ENTER ENTER function Press to confirm values in Calibration mode and to confirm selections RANGE in SETUP mode RANGE function Pres
32. s bad Clean battery contacts Replace batteries with fresh ones noting polarity Err 1 in primary display Memory write error Hardware failure Turn meter on and off again If message persists return unit Err 2 in primary display Memory checksum error Hardware failure Turn meter on and off again If message persists return unit Err 3 in primary display A D converter error Hardware error Turn meter on and off again If message persists return unit Err 4 in primary display Keypad error One or more keys on the keypad are stuck or fault in keypad Turn meter on and off again If message persists return unit See Warranty and Return of Items on pages 49 and 50 If an error message appears in the primary display the upper row of larger digits switching off the meter and switching it on again may eliminate the error message Refer to diagram on right Err I If error persists or the meter shows incorrect values return the meter For a complete diagram of the display see page 2 42 Instruction Manual CON 400 410 11 SPECIFICATIONS SPECIFICATIONS DESCRIPTIONS CON 400 CON 410 0 to 19 99 199 9 1999 uS cm EE 0 to 19 99 199 9 mS cm ARA 0 00 to 9 99 0 0 to 99 9 0 to 999 ppm mn TDSR alt 0 00 to 9 99ppt 0 0 to 199 9 ppt 0 05 Full Scale Wem Leen 1 F S 1 digit 0 0 to 100 0 C Temperat
33. s to enter manual ranging function The MEAS indicator blinks while in manual ranging function In Measurement mode MI A and Press MI A memory input to store values with its corresponding temperature values in MR V the memory Press MR V memory recall to retrieve data from memory In Calibration mode Press to scroll through calibration values In SETUP mode Press to scroll through the setup subgroup programmes SETUP Takes you into the SETUP mode This mode lets you customise meter preference and defaults and view calibration electrode offset data and select cell constant amp FOGH OOO Figure 2 Keypad Instruction Manual CON 400 410 3 PREPARATION 3 1 Inserting the Batteries Four AAA batteries are included with your meter 1 Use a Philips screwdriver to remove the two screws holding the battery cover See Figure 3 below 2 Remove battery cover to expose batteries 3 Insert batteries Follow the diagram inside the cover for correct polarity 4 Replace the battery cover into its original position using the two screws removed earlier Remove these two screws to access battery compartment Battery compartment Figure 3 Back panel of meter showing meter compartment Instruction Manual CON 400 410 3 2 Conductivity Electrode Information The CON400 410 meter uses a conductivity TDS cell with a sturdy 6 pin connector Your meter includes a conduc
34. sample to create a homogenous sample 4 Allow time for the reading to stabilise Note the reading on the display 5 CON 410 meter only Press the MODE key to toggle between conductivity and TDS readings Taking measurements with READY indicator selected on If the READY indicator has been activated the READY annunciator lights when the reading is stable Switch the READY indicator on or off in SETUP program P 4 1 See page 30 for directions Taking measurements with the auto endpoint feature selected on When a reading is stable for more than 5 seconds the auto endpoint feature will automatically hold the reading The hold indicator appears on the left side of the display Press the HOLD key to release the reading Switch the Auto endpoint feature on or off in SETUP program P 4 1 see page 30 for instructions 18 Instruction Manual CON 400 410 5 4 Using Manual Ranging Function Your meter automatically selects the range in which your readings appear The manual ranging function lets you select the specific range and corresponding resolution that you want to work in CON 400 and CON 410 meters CON 410 meter he 0 00 19 99 uS 1 0 00 9 99 ppm 2 0 0 199 9 uS 2 0 0 99 9 ppm 3 0 1999 uS 3 0 999 ppm 4 0 00 19 99 mS 4 0 00 9 99 ppt 5 0 0 199 9 mS 5 0 100 ppt up to 199 9 ppt depending on TDS factor setting 1 To select the desired measuring range press the MEAS RANGE key w
35. splay the date and time of calibration to help you comply with the Good Laboratory Practice GLP standards 4 When you have scrolled through all calibration data you will automatically return to the subgroup menu Press CAL MEAS key to return to measurement mode NOTES If there is no previous calibration data at a particular point the primary display will show CON 410 meter only If you entered Set Up mode from Conductivity measurement mode calibration data will be in uS or mS If you entered Set Up mode from TDS measurement mode calibration data will be in ppm or ppt 28 CON 400 410 Figure 24 View calibration data and its relevant time and date Instruction Manual 7 4 P3 0 Viewing probe data Program 3 has five view only options that let you check the probe s parameters for diagnostic purposes These options show you the effective cell constant for each range The cell constant is adjusted according to your calibration From measurement mode 1 Press the SETUP key to enter Set Up mode 2 Press the MI A or MR V keys to scroll through subgroups until you view parameter P3 0 3 Press the ENTER key repeatedly to view the effective cell constant for each range 4 When you have scrolled through all probe data you will automatically return to the subgroup menu Press the CAL MEAS key to return to measurement mode See Figure 25 NOTES Cell constants may degrade with time and usage
36. ss the ENTER key to confirm selection and to proceed to step 3 of P5 2 Press the CAL MEAS key twice to return to measurement mode SETUP NOTES d l If you do not know the temperature coefficient of your D solution you can determine the correct value using the L ro formula in Addendum 3 Calculating Temperature Coefficients on page 47 ls 5e E CO e Figure 30 Changing the temperature coefficient 34 Instruction Manual CON 400 410 7 6 2 P5 2 Adjusting the normalization temperature Your meter will normalize its conductivity measurements to a standard temperature that you can select You can adjust the normalization temperature from 15 to 30 C 59 to 86 F Meter default is 25 C 77 F From measurement mode 1 2 NOTE Most calibration standards are referenced to 25 C If a normalization temperature other than 25 C is entered the calibration standard value at this temperature must be known Press SETUP key to enter Set Up mode Press the MI A or MR keys to scroll through subgroups until you view parameter P5 0 Press the ENTER key three times to select parameter 5 2 The display shows t nr on the upper display Press the ENTER key again The upper display shows the normalisation temperature and the lower display shows nr Press the MI A or MR V keys to select the normalisation temperature Press the ENTER key to confirm selection and to return to the subgroup menu
37. time you calibrate your meter NOTE Your meter is factory set to a temperature coefficient of 2 1 per C For most applications this will provide good results See Program P5 1 on page 34 to set the temperature coefficient to different value See Addendum 3 Calculating Temperature Coefficients to determine the appropriate temperature coefficient for your solution NOTE The factory default value for normalization temperature is 25 C If you need to normalize to a value other than 25 C see Program P5 2 on page 35 Instruction Manual CON 400 410 4 3 Temperature Calibration Your probe features a built in temperature sensor The temperature sensor is factory calibrated Calibrate your sensor only if you suspect temperature errors that may have occurred over a long period of time or if you have a replacement probe Temperature Calibration 1 Make sure the cell is attached to the 6 pin connector The ATC annunciator will appear at the right hand side of the LCD 2 Switch the meter on Press the MODE key to select conductivity or TDS mode 3 Press the CAL MEAS key to enter conductivity or TDS calibration mode The CAL indicator appears above the primary display 4 While in conductivity or TDS calibration mode press the MODE key to enter temperature calibration mode The primary display shows the current temperature reading and the secondary display shows the factory default temperature value 5 Dip the cell into a solu
38. tion of known temperature i e A temperature bath Allow time for the built in temperature sensor to stabilise 6 Scroll with the MI A or MR V keys to set the correct temperature value i e the temperature of the temperature bath You can adjust the reading in increments of 0 1 C 7 Once you have selected the correct temperature press the ENTER key If the ATC indicator does not light up see Program P4 3 to switch it on NOTES fey odie H You can offset the temperature reading up to 5 C from the original reading default reading H To exit this program without confirming the temperature calibration value DO NOT press ENTER Press CAL MEAS instead H If the ATC indicator does not light see Program P4 3 on page 32 to switch it on H Since temperature readings affect the accuracy of the conductivity TDS measurements it is strongly recommended to carry out a _ conductivity TDS calibration after a temperature calibration is done Figure 10 Temperature Calibration 9 Instruction Manual CON 400 410 4 4 Conductivity Calibration The CON 400 and CON 410 meters are capable of up to 5 point conductivity calibration at one point per conductivity range 0 00 19 99 uS 0 0 199 9 uS 0 1999 uS 0 00 19 99 mS 0 0 199 9 mS All new calibration data will over ride existing stored calibration data for each measuring range calibrated Calibrating for Conductivity 1 If necessary press the MODE key
39. tionship varies from salt to salt and is roughly linear over a given range for a given salt The TDS conversion factor is the number used by the meter to convert from conductivity to TDS Instead of calibrating for TDS directly described in Section 4 5 1 you can calibrate the CON 410 meter by 1 calibrating to conductivity standards as described on pages 10 to 11 and then 2 entering the appropriate TDS conversion factor into the meter To determine the conductivity to TDS conversion factor for your solution e Addendum 2 explains the formula to calculate the conductivity to TDS conversion factor Enter the TDS conversion factor into your meter as described under Section 7 5 4 in P4 4 Setting the TDS Factor on page 33 zie Instruction Manual From measurement mode 1 Press Setup key to enter Set Up mode 2 Press the A and YW keys to scroll through subgroups until you view parameter P4 0 See Figure 9 3 Press the ENTER key again The upper display shows a value and the lower display shows tdS 4 Calculate the TDS factor of your solution See Addendum 2 on page 46 for information on how to calculate the TDS factor 5 Press the A and keys to select your calculated TDS conversion factor 6 Press the ENTER key to confirm selection and to return to the subgroup menu Press the CAL MEAS key to return to measurement mode 14 CON 400 410 Figure 9 TDS Conversion Factor Instruction Manual C
40. tivity probe Part No EC CONSEN91W 35608 50 Ultem Stainless Steel cells with a cell constant of K 1 0 This conductivity TDS cell features a built in temperature sensor for Automatic Temperature Compensation ATC It has a specially designed housing that provides fast temperature response and reduces air bubble entrapment which makes it easy to obtain accurate stable readings Wetted parts include 1 Polyetherimide Ultem 2 Polybutylterphalate Valox 3 Stainless Steel SS 304 NOTE We recommend that you do not submerge the probe above the protective yellow cap for prolonged periods The protective yellow cap can be removed for cleaning but must be attached at all times during calibration or measurment See Section 8 on page 40 for Probe Care and Maintenance information Figure 4 Conductivity probe EC CONSEN91W 35608 50 Valox and Ultem are trademark names of General Electric Co 5 Instruction Manual CON 400 410 3 3 Connecting the probe to the meter 1 Line up the notch and 6 pins on the meter with the holes in the 6 pin connector Push down and turn the locking ring clockwise to lock into place See figure below 2 To remove probe turn the locking ring counterclockwise on the probe connector Pull probe away from the meter CAUTION Do not pull on the probe cord or the probe wires might disconnect NOTE Keep connectors clean Do not touch connector with soiled hands P
41. to select CAL conductivity mode 2 Rinse the probe thoroughly with de ionized DI l LU l 6 water or a rinse solution then rinse with a small amount of calibration standard dd 3 SS 3 With the yellow probe guard attached dip the probe into the calibration standard Immerse the probe tip beyond the upper steel band Stir the probe gently to create a homogeneous sample Allow time for the reading to stabilizse i CAL See Figure 7 ok READY uS 4 Press CAL MEAS to enter conductivity 14 4 calibration mode The CAL indicator will appear on in the upper right corner of the display ee 3 ATC 5 Press the MI A or MR V key to change the value on the primary display to match the value of the calibration standard referenced to your normalisation temperature usually 25 C 6 Press ENTER to confirm calibration value The meter returns to the MEAS measurement mode o READY 7 Repeat steps 1 to 6 for other measuring ranges 14 l 3 us See figure 6 22 3 nc MEAS Figure 6 Conductivity Calibration 10 Instruction Manual NOTES When entering calibration mode the meter displays the factory default value If the meter was previously calibrated the display may seem to jump to the factory default value when switching from measurement to calibration mode This is expected To exit from Conductivity calibration mode without confirming calibration DO NOT press the ENTER key in step 6 Press CAL MEAS instead
42. tory default H E 5 See Figure 35 Figure 35 P6 0 Reset to factory default values NOTES See Addendum 4 on page 48 for a table of factory default settings 39 Instruction Manual CON 400 410 8 PROBE CARE AND MAINTENANCE Keep the conductivity probe clean Rinse the probe twice and gently swirl it while you take readings Rinse the probe with DI or clean water before storing Never scratch the bands with a hard substance Do not strike the probe against any hard surface Do not immerse the probe in oily solutions Clean the electrode thoroughly by stirring it in a mild detergent bath or isopropyl alcohol if needed Wipe the probe with a soft tissue paper Rinse thoroughly in tap water and then in DI water Recalibrate the meter after cleaning the probe locking notch The conductivity probe Order Part No EC CONSEN91W 35608 50 which is included with your meter features a removable probe guard to make cleaning easy twist probe guard clock wise to remove NOTE The yellow probe guard must be attached during measurement and calibration Readings are unstable and not accurate without this guard in place To remove probe guard for cleaning 1 Grip yellow probe guard and twist clockwise The locking notch will release 2 Slide probe guard off end of probe Figure 36 Conductivity probe EC CONSEN91W 35608 50 40 Instruction Manual 9 TROUBLE SHOOTING GUIDE Problem No display
43. ure Range 32 0 to 212 F 0 1 C Resolution 0 1 from 32 F to 199 9 F and 1 0 from 200 F to 212 F Accuracy 0 5 C 0 9 F Cell Constat 0 1 1 0 10 0 selectable Temperature Compensation Automatic Manual fromotosoec 0 0 to 10 0 C poe eee Normalization Temperature 15010300 C adjustable J gt emer oe M Number of calibration points 5 Maximum 1 per range Auto ranging Yes manual select available HOLD Function Yes Memory Yes Auto Power off 20 minutes after last key operation em em inputs Gpinroundcommestor gt Display O Cusombuateo S oe o oe Power Requirements 4 AAR Batteries J o d gt Battery Lie S 100hous Soe So oe i gt Meter 19 x 10 x 6 cm 320 g Pre EON Boxed 24 x 23 x 7 cm 700 g pr 43 Instruction Manual 12 ACCESSORIES Replacement Meter and Meter accessories CON 400 410 Description Eutech Instruments Ordering Code Oakton Instruments Ordering Code Waterproof CON 400 Hand held conductivity meter complete with conductivity probe of k 1 0 EC CONSEN91W EC CONWP400 03 35608 00 Waterproof CON 400 Hand held conductivity meter complete with conductivity probe of k 1 0 EC CONSEN91W packed in hard plastic carrying case EC CONWP410 03K Waterproof CON 410 Hand held conductivity TDS meter complete with conductivity temp probe
44. will flash on the display 2 Press the ENTER key to recall the reading stored under that memory number 3 Press ENTER key again to view the date and time the reading was taken 4 Press ENTER key again to return to the memory location screen The display automatically moves to the next memory location screen 5 If necessary press the MI A or MR V keys to select the next memory location screen press the ENTER RANGE key to select the previous memory location screen 6 Repeat steps 2 5 to review additional stored data sets 7 To exit Memory Recall press MEAS key to return to Measurement mode NOTES Readings stored in memory are retained even if the units are turned off To erase all readings stored in memory use the SETUP mode P1 0 on page 27 22 CON 400 410 MEAS 116 22 3 2 24 109 Figure 20 Memory recall Instruction Manual CON 400 410 7 ADVANCED SETUP FUNCTIONS The advanced setup mode lets you customised your meter s preferences and defaults The Waterproof CON400 CON410 meters features different sub groups that organise setup parameters The sub groups are 1 P1 0 Memory clear CLr 2 P2 0 Viewing calibration data CAL 3 P3 0 Viewing electrode data ELE 4 P4 0 Unit configuration COF 5 P5 0 Temperature tPr 6 P6 0 Selecting cell constant CEL 7 P7 0 Setting clock CLO 8 P8 0 Reset to factory defaults rSt See Figure 22 on next page
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