USER MANUAL AD 330 EC/TDS/Temperature Portable Meter
Contents
1. on the LCD and to display Good Laboratory Practice information CAL SETUP key to enter exit calibration and setup modes CFM key to confirm values SHIFT key to activate the key alternate function Press and hold first the SHIFT key and then the second desired key Down arrow key to manually decrease the value of temperature or other parameters Up arrow key to manually increase the value of temperature or other parameters RANGE lock key to select measurement unit or switch the focused data and to freeze current range on the LCD Secondary display Primary display OPERATIONAL GUIDE e The meter is supplied complete with four 1 5 V AA alkaline batteries Remove the cover unwrap the batteries and install them while paying attention to their polarity also see Battery Replacement section e To prepare the instrument for use connect the EC probe to the DIN connector Tighten the threaded ring and make sure the probe sleeve is properly inserted Conductivity probe INSTRUMENT START UP e Turn the instrument on by pressing the ON OFF button e At start up the display will show all used segments for a few seconds or while the button is held followed by the reference temperature value with rEF indication then enters the measurement mode 10 AutoLOG GLPSETUPMTC ATC ECTDS amzei HH ci CC mm e To save battery life the auto off feature2. Both primary and secondary LCDs will display the current temperature reading for a few seconds followed by the factory default temperature reading Adjust the temperature reading on the primary LCD using the arrow keys The maximum adjustment is 1 0 C around current reading Press CFM to confirm The meter returns to measurement mode and displays the new temperature Notes e Press SHIFT and CFM keys to escape without any changes e To enter temperature adjustment mode the probe must be connected and the meter must be in ATC mode 21 SETUP Setup mode allows to view and modify the instrument parameters To enter setup mode press SHIFT and then SETUP key from measurement mode The SETUP tag lights up The primary LCD will display the temperature coefficient default value 1 90 C while the secondary LCD shows the code of the current setup item o HI ETUP non LU OU EL Select the desired setup item using the arrow keys then press CFM to select and edit the setup item value and its current value starts blinking if it is a changeable parameter e 6 22 Press the arrow keys to change the value e e If there is another part of the item to be set e g month in setting up the current date press RANGE and the part to be changed will start blinking Press the arrow keys to change the value and CFM to confirm Note Press SHIFT and then SETUP key before
3. confirmation to escape without changing the previously set value 23 The following table lists the setup items their valid range and the factory settings default Item Description Valid values Default tc Temperature coefficient 0 00 to 10 00 C 1 90 tcE Temp compensation mode Atc Mtc notc Atc EF Reference temperature 15 0t030 0 C 25 0 C tdS TDS factor 0 40 to 1 00 0 50 CELL Cell constant K 0 500to 1 700 1 000 AOFF Auto off enable On Off Off YEAr Year 2000 to 2098 2000 DATE Date DD MM 01 01to31 12 01 01 TIME Time hh mm 01 01 to 23 59 00 00 id Meter identification code 0000 to 9999 0000 vEr Firmware release 24 GOOD LABORATORY PRACTICE Good Laboratory Practice GLP is a set of functions that allows storage and retrieval of data regarding the status of the system After a successful calibration the meter automatically stores the date and time of calibration the used calibration solution and the resulting cell constant value All this information can be recalled by the user To view the last calibration data press SHIFT and then GLP keys The first information appearing on the LCD is the meter id code By repeatedly pressing RANGE key all GLP data are displayed as shown in the next page 25 Last calibration date day and month Last calibration date year Last calibration time Cell constant K If standard calibration solutio
4. automatically turns the meter off after 5 minutes with no button pressed This feature can be disabled by entering the setup mode and selecting the AoFF item see Setup section for details TAKING MEASUREMENTS e Immerse the probe into the solution to be tested The sleeve holes must be completely submerged e Tap the probe repeatedly to remove any air bubbles that may be trapped inside the sleeve e If needed press RANGE until the desired EC or TDS range is displayed e Allow for the reading to stabilize The primary LCD will show the EC or TDS reading in the selected range while the temperature is displayed on the secondary LCD 11 gt 3 m 8 ooo J 4 0 ali Notes Ifthe meter displays only dashes the reading is out of range Ifthe stability indicator hourglass symbol blinks the reading is not stable Make sure the meter is calibrated before taking measurements If measurements are taken successively in different samples for accurate reading it is recommended to rinse the probe thoroughly with deionized water before immersing it into the sample TDS reading is obtained by multiplying the EC reading by the TDS factor which has a default value of 0 50 It is possible to change the TDS factor within the 0 40 to 1 00 range by entering setup mode and selecting the tdS item see Setup section for details 12 AUTORANGING The EC and TDS scales are aut
5. 0 ml sachet each e 1413 uS cm EC standard solution e 12 88 uS cm EC standard solution e 1 5 V AA alkaline batteries 4 pcs e User manual TECHNICAL DATA Range 0 00 to 19 99 uS cm 0 00 to 9 99 ppm 20 0 to 199 9 uS cm 10 0 to 99 9 ppm 200 to 1999 uS cm 100 to 999 ppm 2 00 to 19 99 mS cm 1 00 to 9 99 ppt 20 0 to 199 9 mS cm 10 0 to 99 9 ppt 9 9 to 120 0 C Resolution 0 01 0 1 1 wS cm ppm 0 01 0 1 mS cm ppt 0126 Accuracy 1 f s EC TDS 25 C 77 F 40 5 G EC Calibration Offset at 0 00 uS cm Slope at 1 point with 6 memorized values 84 0 1413 uS cm 5 00 12 88 80 0 111 8 mS cm or with custom value Temperature Automatic or manual Compensation 9 9 to 120 C Temperature User selectable Coefficient from 0 00 to 10 00 C TDS Factor User selectable from 0 40 to 1 00 default value 0 50 Reference Temperature Selectable from 15 0 to 30 0 C Probe included AD76309 EC probe with built in temperature sensor Battery Type amp Life 4x1 5 V AA Alkaline batteries approx 200 hours of continuous use Auto Off User selectable 5 minutes or disabled Environment 0 to 50 C RH max 95 non condensing Dimensions 188 x 96 x 70 mm Weight 460 g FRONT AND TOP PANELS AD 330 EC TDS Meter A U N ra Probe holder Connector for EC probe ON OFF key to turn the instrument ON and OFF HOLD GLP key to freeze the first stable reading
6. USER MANUAL A wa AD 330 EC TDS Temperature Portable Meter AD 330 EC TDS Meter ATCEC E e468 www adwainstruments com Dear Customer Thank you for choosing an Adwa product Please read carefully this manual before starting operations This instrument is in compliance with the EMC directive 2004 108 EC and its standards and Low Voltage Directive 2006 95 EC and its standards for electrical equipments For additional technical information please e mail us at sales adwainstruments com WARRANTY Adwa warrants this product to be free of defects in material and workmanship as stated in the operating manual If repair or adjustment is necessary and has not been the result of abuse misuse or improper handling within the warranty period please contact your dealer or nearest Adwa Office for the RGA Return Goods Authorization number to put on the outside of your package Warranted service will be made without charge The meter is warranted for a period of 2 years while probes are warranted for 6 months The warranty period commences from the original date of sale Warranty is only valid when the product is used under normal conditions and in accordance with the instruction manual The warranty is void if the instrument is repaired or serviced by unauthorized personnel not used in accordance to the instructions or if non Adwa accessories such as buffer solutions probes etc are used in conjunction with the meter Adwa w
7. ibration for TDS is needed Pressing CAL when TDS range is selected has no effect e For zero calibration simply leave the dry probe in the air The CAL and BUFFER tags light up e The primary LCD displays the not calibrated EC reading while the secondary LCD shows one of the available standard values The hourglass symbol blinks e If necessary use the arrow keys to select the desired standard value e e e When the reading is stable the CFM tag starts blinking Press CFM to confirm calibration D D LD 2 LI LI NU EA II BUFFER II CD m e The instrument displays the Stor and Good messages and returns to measurement mode 17 Notes If the temperature is out of range the WRONG BUFFER TEMP message blinks on the LCD If the reading is too far from the expected value WRONG BUFFER blinks For best results choose a standard value for calibration close to the sample to be measured During standard calibration the meter uses 1 90 C compensation coefficient If the setup item tc has been set to different value when exiting calibration mode the displayed valued on the upper LCD might be different from the nominal standard value CUSTOM CALIBRATION It is also possible to perform EC calibration with custom calibration solution Immerse the probe in the custom calibration solution and select the EC range Press CAL to enter the EC calibratio
8. ill not be held responsible for any accident whether directly or indirectly caused by the use of this instrument TABLE OF CONTENTS lee elle EE 4 Technical Data ise sisssada svikin saga Eed aa 6 Front and Rear Panels 0 00 00000 eeen 8 Operational Guide 10 eet 13 Temperature Compensation 0 000e 14 EC Calibration eerste eege deg 16 Temperature Adjustment 0 er 21 SE e tagi a a saa in ka i ana lager 22 Good Laboratory Practice cccceseeseeseereeeseeeees 25 Te WE 28 Battery Replacement 0 0 0ee eee 29 Probe Maintenance 0 000ea eeen 30 Probes and Solutions sinnini 31 INTRODUCTION AD330 is a heavy duty portable microprocessor based instrument for measuring conductivity TDS and temperature The autoranging feature of the EC and TDS readings automatically sets the instrument to the scale with the highest resolution Measurements are compensated for temperature effect automatically ATC or manually MTC The temperature compensation feature can also be disabled to measure the actual conductivity The temperature coefficient is user selectable The instrument also features a measurement stability indicator GLP capability and a user selectable ID code to uniquely identify the instrument This model is supplied complete with e AD76309 conductivity probe with built in temperature sensor and 1 m cable e Calibration solution 2
9. ml sachet 25 pcs 12 88 mS cm EC standard solution 230 ml bottle 1413 S em EC standard solution 20 ml sachet 25 pcs 1413 uS cm EC standard solution 230 ml bottle 84 uS cm EC standard solution 230 ml bottle 111 8 mS cm EC standard solution 230 ml bottle 80 00 mS cm EC standard solution 230 ml bottle 5000 uS cm EC standard solution 230 ml bottle 1500 ppm TDS standard solution 20 ml sachet 25 pcs 1500 ppm TDS standard solution 230 ml bottle 31 ADWA Alsokik6t6 sor 1 Tel HUNGARY Kft 1 6726 Szeged Hungary 36 62317878 Fax 36 62 550610 www adwainstruments com MANAD330 09 14
10. n was used If custom calibration solution was used 26 ag TL S m e wf ES ES ES GLP Du m a ma r UI GLP D ULI Enn LU Ifthe cell constant was changed after calibration through the CELL setup function this information is not displayed If RANGE is pressed when the last parameter is displayed the meter returns to measurement mode Notes To exit GLP mode at any time press SHIFT GLP keys If the calibration procedure was never performed after displaying the ID code the LCD will show the no CAL message blinking Press RANGE or SHIFT and GLP keys to return to measurement mode Last calibration data is available for EC range only No calibration data can be recalled for TDS If the meter is in TDS mode by pressing SHIFT and GLP keys only the ID code is shown Press SHIFT and GLP keys again to return to measurement mode e GLP data are not affected by the zero calibration 27 HOLD FUNCTION To freeze the first stable reading on the LCD press the HOLD key from measurement mode The Auto and H tags will blink on the LCD until the reading is stabilized When the reading becomes stable the Auto and H tags stop blinking and the reading is frozen UI Lio 1 cib Press the HOLD key again to return to normal measurement mode 28 BATTERY REPLACEMENT When the batteries become too weak
11. n and then the RANGE key to enter custom EC calibration mode e The CAL BUFFER and Cal Point Custom tags light up The primary LCD displays the not calibrated temperature compensated EC reading while the secondary LCD shows the temperature compensated EC reading factory calibrated with cell value k 1 The hourglass symbol blinks UZ lt oe nud min mm gag e Using the arrow keys adjust the EC reading on the primary LCD to the desired value e The maximum adjustment is 40 around the secondary LCD reading e When the reading is stable the CFM tag starts blinking on the LCD Press CFM to confirm calibration 133 IDEA FUT ns ILL A e The instrument displays the Stor and Good messages and returns to measurement mode 19 Notes e Zero calibration is not allowed in custom mode e The calibrated custom value is considered the value of the calibration solution at the selected reference temperature e It is possible to set the cell constant value directly without following the calibration procedure To set the cell constant enter the setup mode and select the CELL item see Setup section for details e The temperature reading is not used during custom EC calibration 20 TEMPERATURE ADJUSTMENT The temperature reading can be manually fine tuned following the next procedure Press SHIFT and CFM keys to enter the temperature adjustment mode
12. nsation is active measurements are compensated using the temperature coefficient default value 1 90 C To change the temperature coefficient enter the setup mode and select the te item see Setup section for details If the temperature reading is out of the 9 9 to 120 0 C interval and the ATC option is selected the temperature full scale value will be displayed together with the C tag blinking The reference temperature can be set from 15 to 30 C When the reference temperature is changed the temperature coefficient must be manually adjusted by the user For example if ois the coefficient with reference temperature of 25 C if changing the temperature to 20 C the new coefficient can be calculated with the following formula B o 1 0 20 If o 1 90 C then B 2 10 C Always set reference temperature to 25 C when measuring TDS EC CALIBRATION STANDARD CALIBRATION EC calibration is a one point procedure Selectable calibration points are 0 00 84 0 and 1413 uS cm 5 00 12 88 80 0 and 111 8 mS cm e Rinse the probe with calibration solution or deionized water then immerse it into the solution The sleeve holes must be completely submerged e Tap the probe repeatedly to remove any air bubbles that may be trapped inside the sleeve e To enter EC calibration select the EC range and press CAL key Note TDS readings are automatically derived from the EC readings and no specific cal
13. oranging The meter automatically sets the scale with the highest possible resolution By pressing SHIFT and lock keys the autoranging feature is disabled and the current range is frozen on the LCD The uS mS ppm or ppt tag depending on the selected measurement mode and range starts blinking To restore the autoranging option press the SHIFT and lock keys again Note Autoranging is automatically restored ifrange is changed if setup or calibration mode is entered or if meter is turned off and back on again TEMPERATURE COMPENSATION Three options are available for temperature compensa tion 1 Automatic ATC the EC probe features a built in temperature sensor which provides the temperature reading to automatically compensate the EC TDS measurement from 9 9 to 120 0 C also using the selected reference temperature Manual MTC the temperature value can be manually set using the arrow keys The compensation is referenced to the selected reference temperature While in MTC mode the C tag blinks on the secondary LCD No compensation NOTC the temperature is not taken into account The reading displayed on the primary LCD is the actual EC or TDS value Notes e The default compensation mode is ATC e Temperature compensation setting can be accessed by entering the setup mode and selecting the tcE item see Setup section for details e If the temperature compe
14. the bAtt message appears on the secondary LCD It is recommended to replace the batteries soon When the battery level is too low to ensure reliable readings the meter automatically turns off Battery replacement must only take place in a safe area and using the battery type specified em P in this instruction manual y 555 N To replace rundown batteries remove the battery cover and IA substitute all four 1 5 V AA ETEVA alkaline batteries with new ones while paying attention to the correct polarity Reattach and tighten the battery cover making sure that the gasket is in place e A Note When batteries are removed the meter can remember date amp time for about 5 minutes After that it will be necessary to set again date amp time through the setup procedure 29 PROBE MAINTENANCE After measurements rinse the probe with clean water If a more thorough cleaning is required remove the probe sleeve and clean the probe with a cloth or a non abra sive detergent Make sure to reinsert the sleeve onto the probe properly fj sj and in the right direction After cleaning the probe recalibrate the instrument 30 PROBES AND SOLUTIONS AD76309 AD70030P AD7030 AD70031P AD7031 AD7033 AD7035 AD7034 AD7039 AD70442P AD70442 Conductivity probe with built in temperature sensor and m cable 12 88 mS cm EC standard solution 20
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