USER MANUAL AD 630 DO & Temperature Waterproof Meter with
Contents
1. C Altitude meters above the sea level 0 300 600 900 1200 1500 1800 2100 2400 2700 3000 3300 3600 4000 0 14 6 14 1 13 6 13 2 12 6 12 1 11 7 11 2 10 8 10 4 10 0 9 6 93 88 2 13 8 13 3 12 8 12 3 11 9 11 4 11 0 10 6 10 2 98 95 9 1 88 83 4 13 1 12 6 12 2 11 7 11 3 10 8 10 4 10 1 9 7 9 3 9 0 86 83 7 9 6 12 4 12 0 11 5 11 1 10 7 10 3 9 9 95 92 88 85 82 7 9 7 5 8 11 8 11 4 11 0 10 6 10 2 98 94 91 87 84 81 78 75 71 10 11 3 10 9 10 5 10 1 9 7 93 90 86 83 80 7 7 74 71 68 12 10 8 10 4 10 0 96 93 89 86 83 79 76 7 4 71 68 65 14 103 99 95 92 88 85 82 79 76 73 70 68 65 62 16 99 95 91 88 85 82 78 75 73 7 0 67 65 62 5 9 18 95 91 88 84 81 78 7 5 72 7 0 67 64 62 60 5 7 20 91 87 84 81 78 75 72 69 67 64 62 5 9 5 7 54 22 87 84 81 78 75 72 69 67 64 62 59 5 7 55 5 2 24 84 81 78 75 72 69 67 64 62 59 57 55 53 5 0 25 83 79 76 74 7 1 68 65 63 61 58 56 54 52 49 26 81 78 75 72 69 67 64 62 59 5 7 55 53 51 48 28 78 75 72 70 67 64 62 59 5 7 55 53 51 49 46 30 76 73 70 67 65 62 60 5 7 55 53 51 49 47 45 32 73 70 68 65 62 60 58 55 53 51 49 47 45 43 34 71 68 65 63 60 58 56 53 5 1 49 47 45 44 4 1 36 68 66 63 61 58 56 54 52 50 48 46 44 42 4 0 38 66 64 61 5 9 56 54 52 50 48 46 44 42 41 3 8 40 64 62 59 57 54 52 50 48 46 44 42 41 3 9 3 7 42 62 60 57 55 53 5 1 49 47 45 43 41 3 9 38 3 6 44 60 58 55 53 51 49 47 45 43 41 40 38 36 34 46 58 56 54 52 49 47 45 43 42 40 38 36 3 5 3 3 48 57 54 52 50 48 46 44 42 40 38 3 7 35 34 3 2 50 55 53 50 48 46 44 42 40 39 3 7 35 34 32. 2 3 0 24 TIME e Select the TIME item The TIME tag will light up on the LCD Press CAL and the hour will start blinking Use the arrow keys to change the displayed value Press RANGE and the min utes will blink Use the arrow keys to change the displayed value ae man AN A SETUP ig PAT Press CFM to save the modification or CAL to escape without saving DATE e Select the DATE item The DATE tag will light up on the LCD Press CAL and the day value will start blinking Use the arrow keys to set the current day Press RANGE and the month will flash Use the arrow keys to set the month 25 Nee DO et 4 ca T ES N ca muy Vs IW Press RANGE and the year SETUP will flash on the secondary d Li LCD Use the arrow keys o to set the year Press CFM to save the modification or CAL to es cape without saving TEMPERATURE UNIT To set the measure unit for temperature readings select the tEMP item and press CAL Use the arrow keys to OF choose C or F option a Press CFM to save the modification or CAL to es KE jo cape without saving BAUD RATE To set the baud rate for serial communication se lect the bAud item and press CAL The current value will start blinking i Use the arrow keys to choose the desired value Press CFM to save the new valu
3. accident whether directly or indi rectly caused by the use of this instrument 2 TABLE OF CONTENTS IN OdUCHON sssistcsiscsdese tiara dan laihavins aussie 4 Technical Dat sissstistecccseteisslieinicssianaitinieiieiied 6 Front and Top Panels eirssiieeircninasioeneie 8 Operational Guide eee eeesseceeeceeeceeeeeeeeeneeenees 10 DO Calibrations isieccscsiacscestysteccsstioneesianscerneseeaetenedts 14 Temperature Adjustment isssz s s sesssetb s sstes ssske 19 WSSU vs sass evap eds fades cata E E 20 Good Laboratory Practice eee eeeeseceneeeeeeeees 29 Log On deman scsvsiccsceievecesesssecsbssvece cosesecesseveceesesvacds 31 OIG PUNCH e E tereeavinaeehs iwievesebones 35 PC Mte ACG cinei 36 Battery Replacement 00 ee eeeeeeeeeeneceneeeeeeeees 36 Probe and Membrane Maintenance 38 Probes Solutions and Accessories 39 3 INTRODUCTION AD630 is a heavy duty portable waterproof meter for DO Dissolved Oxygen and temperature measure ments designed to provide laboratory results and accuracy even under harsh industrial conditions Main features include e DO readings displayed in ppm or saturation units e DO calibration at 1 or 2 standard points 0 and 100 or at 1 custom point gt 20 e Galvanic DO probe with built in temperature sensor e Automatic temperature compensation e Log on demand e Setup mode for setting altitude salinity compensa tion factors temper
4. do not press CAL and follow the slope calibration procedure Slope Calibration It is suggested to perform the slope calibration in air e Rinsethe probe in clean water to remove any residual zero oxygen solution 15 Note If you are performing a slope calibration only press CAL and then use the ARROW keys to select the 10090 DO calibration point e Dry the probe tip and allow a few seconds for the reading to stabilize The hourglass symbol will blink until the reading is stable e When the reading is stable CFM starts blinking Press CFM to confirm the 100 calibration point e The instrument stores the slope calibration data and returns to measurement mode CUSTOM CALIBRATION AD630 allows to perform a 1 point calibration slope only using a custom solution with a known DO value greater than 20 Preparation e Pour small quantity of the custom solution into a clean beaker e Make sure the probe is ready for measurements see Probe preparation paragraph on page 10 i e the membrane is filled with electrolyte and the probe is connected to the meter e Switch the meter on by pressing the ON OFF key e Remove the probe protective cap 16 e Set the appropriate altitude factor and set the salinity factor to zero see Setup section for details Procedure e Submerge the probe into the custom solution e Press CAL and then RANGE The CAL tag and the Cal Point Custom message will appear e Use
5. plastic cap This cap is used for shipping purposes only e Insert the supplied O ring in the ORING membrane e Rinse the supplied membrane with electrolyte while shaking it gently Refill with clean electrolyte Gently tap the membrane over a surface to ensure that no air 10 bubbles remain trapped To avoid damaging the mem brane do not touch it with your fingers e With the sensor facing down screw the cap clockwise to the end of the threads Some electrolyte will over flow INSTRUMENT START UP e Turn the instrument on by pressing the eC ON OFF button e At start up the display shows all the used segments for a few seconds then enters the measurement mode AutoLOGGLPSETUP SHIFT e If the probe is disconnected the meter will display only dashes 11 SALINITY AND ALTITUDE COMPENSATION If the sample contains significant concentration of salin ity or if you are performing measurements at an altitude different from sea level the read out values must be corrected taking into account the lower degree of oxygen solubility in these situations see Setup sec tion for details Remember to set the altitude and or the salinity before taking any DO measurements The meter will auto matically compensate for these factors DO MEASUREMENTS Make sure that the instrument has been calibrated and the protective cap has been removed e Immerse the tip of the probe in the sample
6. the arrow keys to set the desired calibration value gon So SSB i005 oo e The hourglass symbol will blink until the reading is stable e When the reading is stable CFM starts blinking Press CFM to confirm the custom calibration AN WU re Ee 7 e The instrument stores the slope calibration data and returns to measurement mode 17 Notes e If the reading is not close to the selected value the WRONG tag will blink e The meter features the automatic buffer recog nition function If the arrow keys are pressed to select the desired calibration value the automatic buffer recognition function is disabled e To exit the calibration mode press the CAL key at any time 18 TEMPERATURE ADJUSTMENT The temperature reading can be manually fine tuned fol lowing the below procedure Press SHIFT and CFM keys to enter the temperature adjustment mode Both primary and secondary LCDs will display the factory default temperature reading Adjust the temperature reading on the primary LCD using the arrow keys The maximum adjustment is 2 0 C around current reading Press CFM to confirm The meter returns to measure ment 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 19 SETUP Setup mode allows to view and modify the instrument parameters To enter setup mode press
7. 26 10 51 9 81 36 5 4 13 11 12 25 11 46 10 71 10 01 9 36 39 2 6 12 45 11 65 10 90 10 21 9 55 8 94 42 8 8 11 84 11 10 10 40 9 74 9 13 8 55 46 4 10 11 29 10 59 9 93 9 32 8 74 8 20 50 0 12 10 78 10 12 9 50 8 92 8 38 7 87 53 6 14 10 31 9 69 9 11 8 56 8 05 7 56 57 2 16 9 87 9 29 8 74 8 22 7 74 7 28 60 8 18 9 47 8 92 8 40 7 91 7 45 7 02 64 4 20 9 09 8 57 8 08 7 62 7 18 6 77 68 0 22 8 74 8 25 7 78 7 34 6 93 6 54 71 6 24 8 42 7 95 7 51 7 09 6 69 6 32 75 2 25 8 26 7 81 7 38 6 97 6 58 6 22 77 0 26 8 11 7 67 7 25 6 85 6 47 6 12 78 8 28 7 83 7 40 7 00 6 62 6 26 5 93 82 4 30 7 56 7 15 6 77 6 41 6 07 5 74 86 0 32 7 30 6 92 6 55 6 21 5 88 5 57 89 6 34 7 06 6 70 6 35 6 02 5 70 5 41 93 2 36 6 84 648 6 15 5 83 5 53 5 25 96 8 38 6 62 6 28 5 96 5 66 5 37 5 10 100 4 40 6 41 6 09 5 78 5 49 5 22 4 95 104 0 42 6 21 5 91 5 61 5 33 5 07 4 81 107 6 44 6 02 5 73 5 45 5 18 4 92 4 68 111 2 46 5 84 5 56 5 29 5 03 4 78 4 55 114 8 48 5 66 5 39 5 13 4 88 4 65 4 22 118 4 50 5 49 5 23 4 98 4 74 4 52 4 30 122 0 22 ALTITUDE COMPENSATION FACTOR e Select the ALt item and press CAL The altitude factor will start blinking e Use the arrow keys to change the value e Press CFM to save the modified value or CAL to escape without saving e The altitude affects DO concentration decreasing its value The table on next page reports the maxi mum oxygen solubility at various temperatures and altitudes 23
8. SETUP key from measure ment mode The SETUP tag lights up Setup mode allows viewing and modifying the follow ing parameters e Salinity factor SALt e Altitude factor ALt e Time TIME tag e Date DATE tag e Temperature unit tEMP s Baud Rate bAud e Command Prefix PrEF e Auto off AOFF e Instrument ID InId e Select the desired parameter with the arrow keys and press CAL to change the value The selected parameter will blink e Use the arrow keys to increase or decrease the displayed value e Press CFM to save the modified value or CAL to escape without saving 20 e Use the arrow keys to select the next previous parameter SALINITY COMPENSATION FACTOR e Select the SALt item and press CAL The salin ity factor will start blinking UU Al SALE e Use the arrow keys to change the value e Press CFM to save the modified value or CAL to escape without saving Salinity affects the DO concentration decreasing its value The table on next page shows the maximum oxygen solubility at various temperatures and salinity levels Note The relationship between salinity and chlorinity for sea water is given by the equation Salinity g l 1 80655 Chlorinity g l 21 C Salinity g l at Sea Level F 0 g l 10 g l 20 g l 30 g l 40 g l 50 g l 0 14 62 13 63 12 71 11 85 11 05 10 31 32 0 2 13 83 12 91 12 06 11
9. USER MANUAL A wa AD 630 DO amp Temperature Waterproof Meter with Galvanic Probe AD 630 DO Meter 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 89 336 EEC and Low Voltage Directive 73 23 EEC for electrical eguipments For more 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 pe riod please contact your dealer or the nearest Adwa Office for the RGA Return Goods Authorization number to put on the outside of your package Warranted service will be made with out charge The meter is warranted for a period of 2 years while probes are warranted for 6 months The warranty pe riod 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 unautho rized 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 will not be held responsible for any
10. 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 and the calibra tion point s To view the last calibration data press SHIFT and then GLP keys The first information appearing Tl mm on the LCD is the meter ID LILIL code a d By repeatedly pressing RANGE key all GLP data are displayed in the following sequence Last calibration date Iu 3 Lt a day month and year oar m ue Last calibration time Tl E UF tS 29 Standard calibration point s GLP Custom calibration point Notes e To exit GLP mode at any time press SHIFT and GLP e If the calibration procedure was never performed the LCD shows the no CAL message for a few seconds and then returns to normal measurement mode GLP J Dm ra nm Pa 30 LOG ON DEMAND To store the current reading into memory press SHIFT and STORE keys from measure a ment mode The LCD will display for a few rm seconds the Stor message to Jcor gether with the LOG tag and 5 the sample number A complete set of information is memorized date time DO and temperature readings Up to 100 samples can be stored into memory When the memory is full and we the STORE key is pressed the z L sample will not be stored and E the LCD will display th
11. ature measure unit C or F serial communication parameters date amp time auto off in strument ID code e HOLD feature to freeze stable reading on the LCD e GLP feature to view last calibration data e PC interface via RS232 port This model is supplied complete with e AD8001 3 galvanic DO probe with built in tempera ture sensor DIN connector and 3 m cable e Spare DO membrane with O ring e Scouring pad for cleaning the probe e 1 5 V AA alkaline batteries 4 pcs s User manual TECHNICAL DATA Range 0 00 to 45 00 ppm O 0 0 to 300 0 saturation 0 0 to 50 0 C 32 0 to 122 0 F Probe included AD8001 3 galvanic DO probe with built in temperature sensor DIN connector and 3 m cable Resolution 0 01 ppm 0 1 0 1 C 0 1 F Accuracy 1 5 f s DO 0 5 C 1 0 F Environment 0 to 50 C 32 to 122 F RH max 100 non condensing DO Calibration Automatic at 1 or 2 standard points 0 and 100 or 1 custom point gt 20 Power Supply 4x 1 5 V AA alkaline battery Temperature Calibration User offset adjustment Battery Life Approx 200 hours of continuous use Auto off User selectable 5 minutes or disabled Temperature Compensation Automatic from 0 to 50 C Dimensions 188 x 96 x 70 mm Weight 460 g Altitude Compensation 0 to 4000 m resolution 100 m Salinity Compensation 0 0 to 50 0 g l resolution 0 1 g l Log on demand Up to 100 samp
12. e FULL message In this case it is necessary to delete data from memory before proceeding TO VIEW STORED DATA To retrieve the memorized information press SHIFT and MRCL keys 31 The primary LCD displays the tos date day and month and the secondary LCD shows the last stored sample number JLI cH m Lis Da TE j q um If no samples are stored into memory the no rEC indi cation is displayed e Select the desired sample number using the arrow keys If the up arrow key is pressed while the last sample is displayed the meter returns to the first sample e Press RANGE to view the remaining data for the se lected sample in the following order t gt Temperature reading Los only dashes mean r415 reading out of range tee um To skip to the next or previous sample use the up or down arrow keys respectively For example if the up arrow key is pressed while a sample reading is displayed the meter shows the read ing of next sample To return to normal measurement mode press again SHIFT and MRCL keys at any time TO DELETE STORED DATA The meter allows to delete a single sample or all the memory at one time anan am CHL i 5 e time gt 3 90 CII 5 e DO reading e only dashes mean H IL reading out of range or probe a 5 not connected 32 After scrolling all logged pa rameters the
13. e ADSW10 Windows compatible software op tional ADSW10 also offers graphing and on line help feature Data can be exported to the most popular spreadsheet programs for further analysis To connect your instrument to a PC use the AD9551 optional Adwa cable Plug the cable to the instrument RS232 socket and to a serial port of your PC If not using the AD9551 cable communication between instrument and PC may be not possible due to different RS232 connector configuration BATTERY REPLACEMENT The meter can recognize two battery level conditions e low battery in measurement __ mode the secondary LCD 4 D f shows the bATT message Eog and the temperature reading bAEE alternately 36 e dead battery if batteries become too weak to ensure JE z A j j LIL VIL reliable readings the meter displays the dEAd bATT btt message for a few seconds and then automatically turns off Battery replacement must only take place in a safe area and using the battery type specified in this instruction manual To replace rundown batteries remove the battery cover and substitute all four 1 5 V AA al kaline batteries with new ones while paying attention to the correct polarity Reattach and tighten the bat tery cover making sure that the gasket is in place Note When batteries are removed the meter can re member date amp time for about 5 minutes After that it will be necessary to
14. e and the probe is connected to the meter and properly polarized The instrument can be calibrated at 1 or 2 standard points 0 and 100 zero amp slope or at 1 custom point gt 20 slope calibration only The zero calibration is very stable and needs to be performed only when the probe or the membrane is replaced The slope calibration is more critical and it is recom mended to perform the related procedure every week STANDARD CALIBRATION Preparation e Pour small quantity of AD9070 zero oxygen solution into a beaker e Make sure the probe is ready for measurements i e the membrane is filled with electrolyte and the probe is connected to the meter 14 e Switch the meter on by pressing the ON OFF key e Remove the probe protective cap e Set the appropriate altitude factor and set the salinity factor to zero see Setup section for details Zero Calibration e Submerge the probe into AD9070 zero oxygen solu tion and stir gently for 2 3 minutes e Press CAL The CAL tag lights up and the hourglass WUE E Ann N symbol will blink on the LCD on L1 until the reading is stable HH p e When the reading is stable arc CFM starts blinking Press fi CFM to confirm the 0 cali a Sw i i ah mm bration point LILI e To save a 1 point procedure press CAL The instru ment will memorize the zero calibration data and re turn to measurement mode For a 2 point calibration
15. e or CAL to escape 26 COMMAND PREFIX This item is factory set to 16 which is the value required by the ADSW10 communication software It is recommended to not change this value AUTO OFF e Select the AOFF item as i a and press CAL I Li ne e Use the arrow keys to Ane u enable On 5 minutes or disable OFF the feature Press CFM to save the modification or CAL to escape without saving INSTRUMENT ID Select the InId item and press CAL The ID code default 0000 will start blinking Use the arrow keys to change the value Press CFM to save the modified value or CAL to escape without saving 27 The following table lists the setup items their valid range and the factory settings default Item Description Valid values Default SALt Salinity factor 0 0 to 50 0 0 0 ALt Altitude factor 0 to 4000 0 TIME Time hh mm 00 00 to 23 59 DATE Date DD MM YYYY 01 01 2007 to 31 12 2099 tEMP Temperature measure unit C F C bAud Baud rate for serial 600 1200 2400 2400 communication 4800 9600 PrEF Command prefix for 0 to 47 16 serial communication AOFF Auto off enable disable On 5 min OFF OFF InId Meter identification code 0000 to 9999 0000 It is recommended to not modify this item the default value is the necessary prefix for PC communication using ADSW10 software GOOD LABORATORY PRACTICE Good Laboratory Practice GLP is
16. les PC Interface RS232 port FRONT AND TOP FANELS AD 630 DO Meter ON OFF key to turn the instrument ON and OFF 2 HOLD CLR key to freeze stable reading on the 10 11 LCD and clear logged data CAL SETUP key to enter exit calibration mode and enter exit SETUP mode CFM key to confirm value SHIFT key to activate the key second function Press first SHIFT and then the selected key The SHIFT tag is displayed until the second key is pressed DOWN arrow MRCL key to manually decrease the value of temperature or other parameters and enter exit the logged data viewing mode UP arrow STORE key to manually increase the value of temperature or other parameters and to store measured data RANGE GLP key to select measurement range or switch focused data and display GLP information Liquid Crystal Display LCD RS232 connector DIN connector for DO probe OPERATIONAL GUIDE CONNECTIONS e The meter is supplied complete with four 1 5 V AA alkaline batteries Remove the rear cover unwrap the batteries and install them while paying attention to the correct polarity see Battery Replacement section e Connect the DO probe to the DIN socket on the top of the instrument e The DO probe features a built in temperature sensor for temperature measurement and compensation PROBE PREPARATION The DO probe is shipped dry To hydrate the probe and prepare it for use proceed as follows e Remove the black amp red
17. meter displays the dEL message together with the sample number Note Pressing SHIFT and SETUP keys the in strument toggles be tween record number and del ALL 33 LOG IL dEL LOG e Press SHIFT and CLR to delete the selected record or all records e If the dEL All option was selected all logged data are deleted and the instrument returns to normal mea surement mode e Press SHIFT and MRCL at any time to return to mea surement mode Notes e When viewing through 106 the logged data the pond nULL message will mu LL appear when selecting a ke deleted sample e Positions remain free by deleting the last logged sample or all records 34 HOLD FUNCTION To freeze a stable reading on the LCD press HOLD key from normal measurement mode The Auto and H tags will blink on the LCD until the reading stabilizes age He ETE DE A TALLI Laon eed When the reading is stable the Auto and H tags stop blinking and the reading is frozen Press HOLD key again to return the normal measure ment mode Note Pressing RANGE the instrument will skip to the displayed range without leaving the HOLD mode The STORE key also holds HOLD mode Pressing SHIFT and then SETUP GLP or MRCL key the instrument leaves the HOLD mode and performs the selected function 35 PC INTERFACE Data can be transferred from the instrument to the PC using th
18. set again date amp time through the setup procedure 37 PROBE AND MEMBRANE MAINTENANCE For a top performance probe it is recommended to re place the membrane every 2 months and once a month Proceed as follows e Unscrew the membrane by turning it counterclockwise Rinse the supplied spare membrane with some electro lyte solution while shaking it gently Refill with clean elec trolyte FILL FIRST Gently tap the membrane over a surface to ensure that no air bubbles remain trapped With the sensor facing down screw the cap clockwise to im the electrolyte ll TEMPERATURE SENSOR od oN ANODE CATHODE HEN TAP ta SCREW BACK the end of the threads Some electrolyte will overflow If any deposit scales the sensors gently brush the sensor surface with the supplied scouring pad attention to not damage the plastic body 38 while paying PROBES SOLUTIONS AND ACCESSORIES AD8001 3 AD8001A P A7040M A7072S AD9315 AD9551 ADSW10 Galvanic DO probe with built in tem perature sensor DIN connector amp 3 m cable Spare DO membrane with O ring 5 pes Zero oxygen solution 100 ml bottle Electrolyte solution for galvanic DO probe 30 ml bottle Probe holder Serial communication cable 5 to 9 pins Windows compatible software for PC communication 39 ADWA HUNGARY Kft Als kik t sor 11 6726 Szeged Hungary Tel 36 62 317 878 Fax 36 62550610 ww
19. to be tested and allow for the reading to stabilize e The DO value is displayed on the primary LCD and the temperature on the secondary LCD e To select the desired unit or ppm press RANGE 4 ib oB 225 225 12 For accurate DO measurements a water movement of 0 3 m s is required This is to ensure that the oxygen depleted membrane surface is constantly replenished A moving stream will provide adequate circulation The use of a magnetic stirrer to ensure a certain fluid velocity is recommended TEMPERATURE MEASUREMENTS The DO probe features a built in temperature sensor for temperature measurement and compensation The temperature value is displayed on the secondary LCD level Allow the probe to reach thermal equilibrium before tak ing any measurement This can take several minutes The greater the difference between the temperature at which the probe was stored and the temperature of the sample the longer the time will be Note If the display shows only dashes the DO probe is not properly connected or the tempera ture is out of range This can also indicate a bro ken probe cable 13 DO CALIBRATION It is recommended to calibrate the instrument fre quently especially if high accuracy is required Before proceeding with the calibration make sure the probe is ready for measurements see Probe prepa ration paragraph on page 10 i e the membrane cap is filled with electrolyt
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