User manual - XS Instruments
Contents
1. blinks at the bottom right of are COU LCD indicating using pH 7 00 buffer solution to make the 1 point calibration HHN 4 3 2 Rinse pH electrode in pure water allow it to dry and submerge it in wo _ o0H7 00 buffer solution Stir the solution briefly and allow it to stay in the es all buffer solution until a stable reading is reached The meter s display will E pH show scanning and locking process of calibration buffer solution at the lL L bottom right of LCD Er 2 displays if press key before the value are c58 is locked See Chart 5 100 4 3 3 When the meter locks 7 00 pH stable icon displays on LCD TE PEA Press key to calibrate the meter End icon appears after ma LALE calibration is done The 1 point calibration is finished meanwhile rT l pH the meter s display will show at the top right a blinking CAL2 and show at the M S F bottom right blinking 4 00pH and 10 01pH alternately indicating using arc 258 pH4 00 or pH10 01 buffer solution to make the 2 point calibration yO 4 3 4 Take out pH electrode rinse it in pure water allow it to dry and Te SSS submerge it in pH4 00 buffer solution Stir the solution briefly and allow it to LALA stay in the buffer solution until a stable reading is reached The meter s Ii 1 Tl pH display will show scanning and locking process of calibration buffer solution Lif _ at the bottom right of LCD When the meter locks 4 00 pH stable icon O me cS2. appears with 9 j 2 Measurement reading 3 Timing storage icon When this icon appears the meter is in the automatic storage mode 4 Time appears with 5 and prompts of special display mode 5 Date appears with 4 6 Units of measurement 7 Temperature units C and F 9 pH and conductivity calibration value appears with 8 the serial number for storage and recall appears with 10 and prompts of special display mode 10 Storage and recall icons M Measurement to be stored icon RM Reading to be recalled icon 3 PC70 Version1 4 11 Temperature value appears with 7 and prompts of special display mode 12 Temperature compensation icons ATC automatic temperature compensation MTC manual temperature compensation 13 Calibration guide icon 14 15 Stability icon of readings 16 USB icon when this icon appears the meter connects the computer Low battery icon when this icon appears please renew the battery 3 2 Keypad functions Diagram 2 3 2 1 Keypad operations Momentary press lt 1 5 seconds Long press gt 1 5 seconds 3 2 2 Turn on the meter Press C to turn on the meter LCD full display display some parameters display the last measurement mode backlight for one minute 3 2 3 Turn off the meter In the measurement mode press E and hold for 2 seconds to turn off the meter
3. l l i P3 1 Adjust TDS coefficient l l l l l l l l l l l l l l l l l l l l I P6 4 Adjust date P6 5 Adjust time GS FA P6 7 Clear stored value P6 8 Automatic power off setup 19 PC70 Version1 4 7 3 Submenu of pH parameter setting press or key to switch P1 1 Select pH standard solution USA NIST CUS 1 Zi In P1 0 mode press to enter in P1 1 refer to the left Diagram When press key USA blinks press 4 key to select blinking NIS CUS When parameter blinks press E to confirm USA series 1 68 pH 4 00 pH 7 00 pH 10 01 pH NIST series 1 68 pH 4 01 pH 6 86 pH 9 18 pH CUS customer defined After confirm parameter press 4 key to enter in P1 2 mode or press key to return to the measurement mode P1 2 Set due calibration NO H00 DOO 1 EEA L a rime When press key No blinks then press G key H blinks then press 4 key D blinks NO no setup HOO set 0 99 hours DOO set 0 99 days When H blinks press 2 key 00 blinks Press 4 key to adjust hours press key to confirm When D blinks press 2 key 00 blinks Adjust eS key to adjust days press key to confirm When No blinks press to confirm After confirm parameter parameter stops blinking press 4 key to enter in P1 3 mode or press key to return to the measurement mode 3 Check the date of the last calibration T
4. 00 10 01pH PC 70 Buffer value NIST 1 68 4 01 6 86 9 18pH 2 value CUSTOMER mV Eo 200 mV 0 1 mV sae others 1mV Accuracy 0 1 FS 80 1 FS Htdigit Conductivity 0 200 mS cm divided into five ranges 0 00 19 99 uS cm 20 0 199 9 uS cm Range 200 1999 uS cm 2 00 19 99 mS cm 20 0 199 9 mS cm TDS 0 100 g L Salinity 0 100 ppt 0 01 0 1 1uS cm 0 01 0 1 mS cm COND 70 o Conductivity 1 0 FS 1digit PC 70 Temperature compensation Multi point Standard solution 84 uS cm 1413 uS cm 12 88 111 9 mS cm 1 a ae value Electrode constant constant 0 1 6 tA tOom 1 10 cm Temperature 0 100 C manual or automatic PC 70 Reading stability criteria stability criteria Low 1 2mV 10 sec Medium 0 6mV 10 sec PH 70 Reading stability criteria i High 0 3mV 10 seconds PC 70 PH 70 Due calibration Remind due calibration PC 70 PC70 Version1 4 PH 70 Out of test Electrode provides error PC 70 2 2 Other specifications Data storage 500 groups Serial number date time measuring value measuring unit and Storage content temperature value e Power batteries 3 1 5V 3 220 V with USB power supply Dimension amp Weight Meter 8619633 mm 335g 3 Instrument description 3 1 LCD display Soe OOO bie SILI LIL ee TII s 08 megad Diagram 1 Parameter mode icons 1 8 Units of pH and conductivity calibration value
5. 2 2 Calibration intervals a The meter is calibrated before leaving the factory and can generally be used right out of the box b Normally perform calibration per month c For high accuracy measurements or large temperature deviation from the reference temperature 25 C perform calibration per week d Use conductivity standard solution to check whether there is error Perform calibration for large error e For new electrode or factory default setting perform 3 point or 4 point calibration Choose closer standard solution to the sample solution to perform 1 point or 2 point calibration For example 1413 uS cm standard solution is suited for range 0 2 000 uS cm 14 PC70 Version1 4 6 2 3 One point and multi point calibration For 1 point calibration after 3 point or 4 point calibration the previous calibration value in the same range will be replaced meanwhile the meter will show the calibration guide icon of this point other two calibration guide icons will be deleted but the chip will reserve the last calibration data After the meter restores to factory default setting all the calibration data is deleted and the meter restores to theory value When choose multi point calibration perform calibration from low to high concentration to avoid standard solution of low concentration being contaminated 6 2 4 Reference temperature Reference temperature of factory default is 25 C Other reference temperature can also be set f
6. 6 Conductivity measurement o nna nnn nnn nnn nnn nnn nnn nnn nnn nnn nme cnn nas 13 6 1 Conductivity electrode information 13 6 2 Conductivity calibration consideration 14 6 3 Conductivity calibration e nn ea 16 6 4 Relations between TDS and conductivity 16 6 5 Customer defined calibration 17 6 0 campile 16S bees so acacaas apenas se ees ace rea esas nee a ce emis enn eee en eeeceanaanas 17 6 7 Conductivity electrode maintenance 18 Ts Parameter Se MNG ee a E 18 hos Moc INA ANIC E a a a 18 1 2 SUDMENU nnn nnn nnn nn nnn nnn nn nnn nnn nnn nnn nn nnn nnn E 18 7 3 Submenu of pH parameter setting nn omen annem nnn nnn nnn cme nnn nas 20 7 4 Conductivity parameter setting submenu 21 7 5 Submenu of TDS parameter setting 22 7 6 Submenu of basic parameter setting a e ire
7. change the number quickly In the parameter set up mode press this key to change the serial number of the main menu and the submenu In the submenu mode press this key to change parameters and set up In the mode of manual temperature compensation MTC when press and hold this key the temperature value flashes then press this key to change the temperature value and press to confirm In the measurement mode press this key to recall the stored measuring value In the recall mode RM press momentarily this key to change the storage serial number press and hold this key to change the number quickly In the parameter set up mode press this key to change the serial number of the main menu and the submenu In the submenu mode press this key to change parameters and set up 5 PC70 Version1 4 3 3 Meter socket Electrode socket uses BNC and RCA USB socket uses standard type The following chart is socket for model PH70 COND 70 and PC70 Chart 2 Sockets for meters BNC socket right connect pH electrode or ORP electrode RCA socket middle connect temperature probe PH 0 pH meter BNC socket left connect conductivity electrode e RCA socket middle connect temperature probe COND 70 Conductivity meter BNC socket right connect pH electrode or ORP electrode BNC socket left connect conductivity electrode e RCA socket middle connect temperature probe PC70 pH Conductivi
8. factory default y j No Yes setting Calibration range ay ibrati P2 9 Temperature calibration BC 3 default 7 value P6 0 Basic P61 1 Select temperature unit Select temperature unit unit e fe parameters OE Ie se Tae aaam 7 eo re m o o T 27 PC70 Version1 4 P68 8 Automatic Automatic Power off setup Automatic Power off setup 0 Appendix Il Abbreviation Glossary SIn a a O a yr es e e Cre ae omona oan SE ur ECRL emt can ot ain crs ce e EENEN een Reference temperature Reference temperature Lr Temperature compensation seimperanle L LL J compensation coefficient coefficient Factory default setting Factory default setting pe ie a cog Total Dissolved Solid Total Dissolved Solid P2 0 Cond T pzs car ee Clear readings Clear readings o pes Roff Automatic Power off Automatic Power off 28 PC70 Version1 4 Appendix Ill Self diagnosis information Self diagnosis information Conductivity j _ 1 Wrong pH buffer solution or the meter recognition of Y crt calibration solution out of range P Press SETUP key when measuring value is not stable J during calibration Electrode slope out of range y lt 85 or gt 110 pH measuring range out of range y lt 2 00 pH or gt 16 00pH Erde Enter in pre set due calibration to remind due calibration 29 PC70 Version1 4
9. manual storage and automatic timing storage USB port The meter s digital filter improves measurement speed and accuracy There is reading stability display The package includes portable case meter electrode standard solutions and all accessories convenient to use in field The meter is dust proof and water proof meeting the IP57 rating Temperature calibration function 1 3 pH measurement features Suited for model PH70 and PC70 1 3 point automatic calibration the meter provides calibration guide and automatic checking function The meter is able to recognize up to 8 types of pH standard buffer solutions There are three options of standard buffer solution USA series NIST series and customer defined solution set up The meter provides reading stability criteria 1 4 Conductivity measurement features suited for model COND70 and PC70 1 4 point automatic calibration the meter provides calibration guide and automatic checking function The meter is able to switch among conductivity TDS and salinity measurement mode 1 PC70 Version1 4 The meter is able to switch between conductivity and TDS measurement mode The meter is able to recognize up to 4 types of conductivity standard solutions There is customer defined solution set up 2 Specifications 2 1 Main specifications ee ee 0 100 C manual or automatic compensation eo 1 3 point PH 70 calibration USA 1 68 4 00 7
10. pH 7 72 pH 25 0 7C 0009 101 17 28 pH 772 pH 25 0 7C Export ioe 1 01 17 27 mv 50 1 mv 25 0 C 0011 C Caen 50 1 mv 25 07 om 10 17 27 m 50 1 mv 25 0 C S 101 17 22 COND 751 uS em 25 0270 Evit Oy 101 17 22 COND 575uS em 25 0070 0015 101 17 27 COND G 00uUS cm 25 0290 0016 101 17 27 COND 0 00uUS em 25 0 C me 101 1727 TDS 0 00 mg L 25 0770 Os 1 01 17 27 TDS 0 00 mg L 25 0270 om 101 17 27 TDS 0 00 mg L 25 07eC g Diagram 13 24 PC70 Version1 4 1 Meter serial number 2 Stored value 3 Keys Clear press this key to clear the data Download press this key to download the data from the meter to the computer Export press this key to export the stored value to Microsoft Excel file Exit press this key PC Link program exits from the computer interface 8 3 Load the software Please follow the steps as below to load PC Link to the computer Open PC Link file double click Setup program click OK click icons see Diagram 14 click Continue click Confirm JL ALILIS PC Link Setup X Pegin the installation by clicking the button below Click this button to install ALILIS PC Link software to the specified destination directory Directory C Program Files Frojectl Change Directory Exit Setup Diagram 14 8 4 Automatic connection port Connect USB cable to the meter and the computer open PC Link program pro
11. press key 00 blinks Adjust A key to adjust days press E key to confirm When No blinks press to confirm 3 After confirm parameter parameter stops blinking press 4 key to enter in P2 4 mode or press key to return to the measurement mode 21 PC70 Version1 4 COND ic crer pa D30 l L mre COND P2 4 Check the date of the last calibration 1 The date of the last calibration shown on the left Diagram 12 00 pm on June 6 2012 2 Press 4 key to enter in P2 5 mode or press key to return to the measurement mode P2 5 Select reference temperature 15 0 C 30 0 C 1 Press key 25 0 C blinks then press or key to adjust temperature value 15 0 30 0 press key to confirm 2 After confirm parameter press w key to enter in P2 6 mode or press key to return to the measurement mode P2 6 Adjust temperature compensation coefficient 0 00 9 99 1 Press key 2 00 blinks press key or key to adjust temperature compensation coefficient 0 00 9 99 press key to confirm 2 After confirm the parameter press key to enter in P2 8 mode or press key to return to the measurement mode P2 8 Restore to factory default setting NO Yes 1 Press 2 key No blinks then press A key Yes blinks When press key to confirm the meter returns to the measurement mode No Not restore to factory default
12. setting Yes restore to factory default setting 2 When confirm the parameter press 4 key to enter in mode P2 9 or press 44 key to return to the measurement mode MEAS P2 9 Temperature Calibration Calibration range _ 5C 1 Press key the temperature value blinks press or key to adjust the temperature value press key to confirm 2 When parameter is confirmed press key to return to the measurement mode Note When make calibration insert the temperature probe in the standard temperature source eg thermostatic bath and calibrate until the display value is stable The calibration range is 5 C When set up Yes in P2 8 the temperature value restores to factory setting P3 1 Adjust TDS coefficient 0 40 1 00 1 In P3 0 mode press key to enter in P3 1 mode please refer to the left Diagram Press key 0 71 blinks then press 4 key and key to adjust TDS coefficient press key to confirm 2 After confirm the parameter press key to return to the measurement mode 22 PC70 Version1 4 Date 7 6 Submenu of basic parameter setting Switch between and key P6 1 Select temperature unit C F 1 In P6 0 mode press key to enter in P6 1 mode please refer to the left Diagram Press key C blinks then press A key F blinks When parameter blinks press key to confirm After confirm the paramete
13. 70 Series pH Conductivity Portable Meter Manual PH 70 Portable pH Meter COND 70 Portable Cond Meter PC 70 Portable pH Cond Meter PC70 Version1 4 Table of Contents Us ATOQUC NON ese a ee eee ee 1 Pale 02161 C052 80 0 a a al 2 3 Instrument Description nnn nnn nnn nnn nnn nnn nnn nn nnn nnn nnn nnn 3 3 1 LOD display n nnn mannan nnn nnn 3 3 2 Keypad fUNCtIONS n nnn nomen nnn nn nnn nnn nnn ae 4 CRORES 10010 0 G ee ae a 6 3 4 INCadIng Stability display MOUs sa ses ess see 6 3 5 Store recall and clear readinGS nnn nnn nnn nnn nnn nnn nnn nnn nnn nna 6 SO AUTO DOWEL ON spreehen eee e e eee e T 4 pH measurement 7 4 1 pH electrode MOrmatom searr a nn 7 4 2 Pr calibration consideration Seaessseerees sees ene eee eee eee 7 4 3 pH calibration 9 4 4 Customer defined calibration mannan anna nnn nnn nnn nnn nnn ne 9 4 5 Sample test 10 A6 PR Electrode IN VAIN ILS FANG see E 12 OMI TNE AS USNC IM e na E A E 13
14. For multi point calibration please repeat clause 6 3 1 6 3 3 until all I m the calibration is done The meter can repeat calibration in the same calibration d _I solution until the stable value is reached are C5 0 6 4 Relations among TDS salinity and conductivity Diagram 11 6 4 1 TDS and conductivity is linear related the conversion factor is 0 40 1 00 Adjust per parameter P3 1 The factory default setting is 0 71 per clause 7 5 The meter can only be calibrated in Conductivity mode and not TDS mode After calibration of conductivity the meter can switch from conductivity to TDS or salinity 6 4 2 Adjust TDS conversion factor per parameter P3 1 according to the data collected during testing See chart 10 commonly used TDS conversion factors Chart 10 Commonly used TDS conversion factors Conductivity of solution TDS conversion factor 0 100 uS cm 100 1 000 uS cm 0 71 16 PC70 Version1 4 6 5 Customer defined calibration take an example of 10 50uS cm standard solution 6 5 1 Select CUS per parameter P2 2 please refer to clause 9 5 for customer defined solution The meter enters into Customer defined calibration mode When press ss LCD shows blinking CUS at the top right indicating that the meter enters into customer defined calibration 6 5 2 Rinse the electrode in pure water allow it to dry and submerge it in 10 50 uS cm standard solution Stir the solution briefly and allow it to stay in t
15. Note In the calibration mode or the parameter set up mode pressing E is invalid Please press CAL MEAS key to return to the measurement mode then press C to turn off the meter 4 PC70 Version1 4 Chart 1 Keypad operations and descriptions Momentary press Momentary press Momentary press Momentary press Momentary long press Momentary long press In the power off mode press this key to turn on the meter In the measurement mode press this key to turn on or turn off the backlight display Measurement mode PH70 pH meter pH gt mV COND 70 Conductivity meter COND gt TDS gt SAL PC70 pH Conductivity meter pH gt mV gt COND gt TDS gt SAL In the measurement mode press this key to enter in the calibration mode In the calibration mode or the parameter set up mode press this key to return to the measurement mode In the measurement mode press this key to enter in the parameter set up main menu In the calibration mode press this key to make calibration In the parameter set up mode press this key to select programs In the mode of manual temperature compensation MTC when press and hold this key the temperature value flashes then press this key to change the temperature value and press to confirm In the measurement mode press this key to store the measuring value In the recall mode RM press momentarily this key to change the storage serial number press and hold this key to
16. alibration insert the temperature probe in the standard temperature source eg thermostatic bath and calibrate until the display value is stable The calibration range is 5 C When set up Yes in P1 5 the temperature value restores to factory setting 7 4 Submenu of conductivity parameter setting switch between 4 key and key reo ba a ha ha l I P2 1 Select electrode constant 1 0 10 0 0 1 In P2 0 mode press key to enter in P2 1 mode please refer to the left Diagram Press key 1 0 blinks then press key to select blinking 10 0 0 1 when parameter blinks press key to confirm After confirm the parameter press S key to enter in P2 2 mode or press key to return to the measurement mode P2 2 Select conductivity standard solution Standard 84uS cm 1413uS cm 12 88 mS cm 111 9 mS cm CUS 1 Press key Std blinks then press key CUS blinks When parameter blinks press key to confirm Std Standard series CUS customer defined 2 After confirm the parameter press 4 key to enter in P2 3 mode or press key to return to the measurement mode P2 3 Set due calibration No H00 DOO 1 Press SETUP key No blinks then press M key H blinks then press M key D blinks NO no setup HOO set 0 99 hours DOO set 0 99 days 2 When H blinks press key 00 blinks Press 4 key to adjust hours press key to confirm When D blinks
17. d the required accuracy For high accuracy measurements lt 0 02pH the meter should be calibrated immediately before taking a measurement For general accuracy 2 0 1pH the meter can be calibrated and used for approximately one week before the next calibration The meter must be recalibrated in the following situations a New probe or probe that is unused for a long period of time b After measuring acids pH lt 2 or alkaline solutions pH gt 12 c After measuring a solution that contains fluoride or a concentrated organic solution d If the solution s temperature differs greatly from the calibration solution temperature pH 4 2 4 Due calibration Pre set calibration interval begin from the date of last calibration to E zi remind due calibration in a preset period per parameter P1 2 clause 7 3 L I During due calibration Er 7 icon appears on LCD see Diagram 7 The meter can not continue operation and Er 7 icon disappears until the calibration is done or when select No per parameter P1 2 Diagram 7 4 2 5 Check calibration date Check the date and time of last calibration to decide whether new calibration is needed Please refer to parameter setting P1 3 clause 7 3 8 PC70 Version1 4 LALA 4 3 pH calibration take an example of three point calibration T E p 4 3 1 Press key to enter into the calibration mode CAL 1 IL LI blinks at the top right of LCD and 7 00 pH
18. displays on LCD Press key to calibrate the meter End icon and nn electrode slope of acidity range display after calibration is done meanwhile po the meter s display will show at the top right a blinking CAL3 and show at the bottom right blinking 10 01pH indicating using pH10 01 buffer solution to make OTT A sme the 3 point calibration TUT fw 4 3 5 Take out pH electrode rinse it in pure water allow it to dry and hae Ae submerge it in pH10 01 buffer solution Stir the solution briefly and allow it to OAA stay in the buffer solution until a stable reading is reached The meter s Diagram 8 display will show scanning and locking process of calibration buffer solution at the bottom right of LCD When the meter locks 10 01 pH stable icon displays on LCD Press key to calibrate the meter End icon and electrode slope of alkalinity range display after calibration is done The meter goes to the measurement mode displays stable measuring value and calibration guide icons Please see Diagram 8 for the above calibration process 4 3 6 During the calibration process press key to exit from the calibration mode The meter can perform one point two point and three point calibration Calibration guide icons appear on LCD 4 4 Customer defined calibration take an example of 1 60pH and 6 50pH calibration solution 4 4 1 Select CUS per parameter P1 1 please refer to clause 7 3 for customer defined solution The meter e
19. e air bubbles and allow it to stay until a stable reading is reached For conductivity electrode which keeps dry soak the electrode in pure water for 5 10 minutes Rinse the electrode in pure water after measurement 6 7 2 The interaction pole of Model 2301T F conductivity electrode is coated with platinum black to minimize electrode polarization and expand measuring range Do not polish the surface of platinum black only stir the electrode in pure water to avoid the damage of platinum black coating Clean organic stain on the electrode in warm water with detergent or alcohol 6 7 3 If the electrode coated with platinum black is invalid immerse it in 10 nitric acid solution or 10 hydrochloric acid solution for 2 minutes then rinse the electrode in pure water If the electrode still does not work replace with a new conductivity electrode 7 Parameter setting 7 1 Main menu In the measurement mode press key to enter in P1 0 then press 4 or to switch to main menu P1 0 P2 0 P3 0 P6 0 Please refer to chart 12 P1 0 pH parameter setting menu P2 0 Conductivity parameter setting menu P3 0 TDS parameter setting menu P6 0 Basic parameter setting menu 7 2 5ubmenu 7 2 1 In P1 0 mode press key to enter in submenu P1 1 of pH parameter setting then press 4 and key to switch among submenu P1 1 P1 2 P1 3 P1 4 P1 5 P1 6 gt P1 7 see Diagram 12 7 2 2 In P2 0 mode press key to enter in submen
20. e is not stable during calibration Press key when Ren A a During calibration the measuring value is 1 Check whether there are bubbles in glass bulb Ch I not stable for 23min 2 Replace with new pH electrode 1 Check whether there are bubbles in glass bulb 2 Check whether pH buffer solution is correct 3 Replace with new pH electrode 1 Check whether the electrode is suspended pH measuring range out of range lt 2 00 2 Check whether the meter electrode well 3 Check whether the electrode is damaged z 7 Enter in pre set due calibration to remind Press E key to perform calibration or cancel due due calibration calibration setup per parameter P1 2 connects the PC70 Version1 4 4 5 3 pH temperature principle Note that the closer the temperature of the sample solution to the calibration solution the more accurate readings 4 5 4 Factory default setting For factory default setting please refer to parameter P1 5 clause 7 3 Per parameter P1 5 all calibration data is deleted and the meter restores to the theory value zero electric potential of pH is 7 00 the slope is 100 Some functions restore to the original value refer to appendix 1 When calibration or measurement fails please restore the meter to factory default setting and then perform re calibration or measurement Please note once set the factory default all the data deleted will not be retrievable 4 6 pH electrode maintenance 4 6 1 Daily
21. ess key to return to the measurement mode P6 7 Clear all storage value 1 When press key No blinks then press and Yes blinks When parameter blinks press xey to confirm No not delete Yes Delete 2 After confirm the parameter press press key to return to the measurement mode key to enter in mode P6 8 or 23 PC70 Version1 4 P6 8 Automatic power off setup On Off 1 Press key On blinks press 4 key Off blinks When parameter blinks press key to confirm On turn on automatic power off Off turn off automatic power off 2 After confirm the parameter press key to return to the measurement mode 8 USB communication 8 1 Software requirement The meter uses PC Link software to realize USB This software requires the computer to meet such requirement Personal computer Microsoft Excel 2000 or the version of higher rank which can operate Windows XP operation system PC IBM compatible with XT and CD ROM driver USB communication port 8 2 Software interface Software interface see Diagram 13 2 144127000 x ES Oli PC Link PCTO1 S Date Time Mode J Value Temp pH 25 1290 0001 1 01 AA 4 23 pH mo 101 17 20 pH 1488pH_ 25 07 Clear 0003 101 17 20 pH 14 88 pH 25 077 0004 101 17 27 pH 7 72pH 25 0 7C 0005 101 17 27 pH 772pH 25 00 C 0008 101 17 27 pH Ta pHi 2507C 0007 1 01 17 27 pH 7 72 pH 25 027C 0008 101 17 27
22. gram interface shows on the computer automatic connection is done after a few seconds a Icon shows at the left bottom of LCD Note for re connection after turn off the computer can not recognize the software automatically and please re open the software interface Besides this software only recognizes 1 16 port numbers For other port numbers please set in device manager of the computer 8 5 Operation software 8 5 1 Upload the stored value Press Download key all the data stored in the meter is downloaded to the computer pH mV COND and TDS are sorted in the program 8 5 2 Storage during operation During operation press key to store or set timing storage The measuring information is downloaded 25 PC70 Version1 4 to the computer through USB and will not be stored in the meter The stored data during operation is the same as the data shown on the meter 8 5 3 Data processing Press Export key to export the stored value to Microsoft Excel file and then analyze or print the stored data a N Kits Ca ries immer tee e O 72 coropemecensciaymeer tet 8 PoropenaiepHconaviymes tet Be 2301T F plastic 2301T F plastic conductivity electrode electrode tipo pc pH standard buffer solution 4 00 7 00pH mL g 4 00 7 00pH mL ppomecacn Conductivity calibration solution 1413 uS cm 12 88 mS cm mL 1 bottle each Manual 10 Warranty We warrant this instrument t
23. he solution until a stable reading is reached and icon appears on LCD 6 5 3 When press E key the measuring value blinks CUS icon appears at the right top of the screen Press 4 key or key to adjust the measuring value to 10 50 uS cm Press key to calibrate the meter After the calibration is done the screen shows End icon and returns to the measurement mode For customer defined calibration the electrode calibration guide icons do not appear in conductivity measurement mode Note When there is no temperature sensor and manual oe compensation MTC is adopted the temperature value blinks when press mes key press 4 key or nu KEY to adjust the temperature value and when press ee key conductivity value blinks 6 5 4 Only one point calibration for customer defined calibration The value set in Customer defined is at a fixed temperature There is no regulation of temperature coefficient and reference temperature The meter has to perform calibration and measurement at the same temperature to avoid large error The meter cannot recognize customer defined calibration solution 6 6 Sample test 6 6 1 Rinse conductivity electrode in pure water allow it to dry and submerge it in the sample solution Stir the solution briefly and allow it to stay in the sample solution until a stable reading is reached and icon appears on LCD then get the reading value which is the conductivity value of the solution 6 6 2 Pres
24. he time for calibration shown on the left Diagram 18 08 pm on June 8 2012 Press key to enter in P1 4 mode or press key to return to the measurement mode 4 Select resolution 0 01 0 1 Press key 0 01 blinks press 4 key 0 1 blinks when parameter blinks press key to confirm After confirm parameter press key to enter in P1 5 mode or press to return to the measurement mode 5 Restore to factory default setting NO Yes Press key No blinks then press 4 key Yes blinks When press key to confirm the meter returns to the measurement mode No Not restore to factory default setting Yes restore to factory default setting Press 4 key to enter in P1 6 mode or press key to return to the measurement mode 20 PC70 Version1 4 MTC JE fre LL P1 6 Set reading stability criteria Normal High Low 1 Press key nor blinks Press 4 key Hi blinks then press 4 key Lo blinks When parameter blinks press to confirm Nor Normal Hi High Lo Low 2 When confirm the parameter press key to enter in mode P1 7 or press key to return to the measurement mode P1 7 Temperature Calibration Calibration range 5 C 1 Press key the temperature value blinks press 4 key or key to adjust the temperature value press key to confirm 2 When parameter is confirmed press key to return to the measurement mode Note When make c
25. ion The meter uses two series of standard buffer solution USA series and NIST series and also customer defined solution Please see Chart 3 for the two series of standard buffer solution For customer defined solution please select it per parameter P1 1 and refer to clause 7 3 for details Chart 3 pH standard buffer solution series pH standard buffer solution series USA Series NIST series 1 68 pH and 4 00 pH 1 68 pH and 4 01 pH Three point calibration 7 00 pH 6 86pH 4 2 2 Three point calibration The instrument can perform 1 3 point calibration The first point calibration must use 7 00 pH or 6 86 pH standard solution then select other standard solution to perform the second and the third point calibration see Chart 4 During the calibration process the instrument displays the electrode slope of acidity range and alkalinity range respectively 7 PC70 Version1 4 Chart 4 Three point calibration mode ae USA standard NIST standard Suited range range One point calibration 7 00 pH 6 86 pH noeuragy i i lt 0 1pH 7 00 pH 6 86 pH 4 00 pH j 68 pH 4 01 pH j 68 pH panera Two point calibration dada oe need POL TOY R 7 00 pH and 10 01pH 6 86 pH and 9 18pH Range gt 7 00pH a 7 00 pH 4 00 pH or 6 86 pH 4 01 pH or Three point calibration Large Range 1 68 pH 10 01 pH 1 68 pH 9 18 pH O M H g g 4 2 3 Calibration intervals Calibration intervals depend on the sample the electrode performance an
26. maintenance The soaking solution contained in the supplied protective bottle is used to maintain activation in the glass bulb and junction Loosen the capsule remove the electrode and rinse in pure water before taking a measurement Insert the electrode and tighten the capsule after measurements to prevent the solution from leaking If the soak solution is turbid or moldy replace the solution The electrode should not be soaked in pure water protein solution or acid fluoride solution for long periods of time In addition do not soak the electrode in organic silicon lipids For best accuracy always keep the meter clean and dry especially the meter s electrode and electrode jack Clean with medical cotton and alcohol if necessary 4 6 2 Calibration buffer solution For calibration accuracy the pH of the standard buffer solution must be reliable The buffer solution should be refreshed often especially after heavy use 4 6 3 Protect glass bulb The sensitive glass bulb at the front of the combination electrode should not come in contact with hard surfaces Scratches or cracks on the electrode will cause inaccurate readings Before and after each measurement the electrode should be washed with pure water and dried Do not clean the glass bulb with a tissue for it will affect the stability of the electrode potential and increase the response time The electrode should be thoroughly cleaned if a sample sticks to the electrode Use a solvent if
27. ng due calibration Er 7 icon appears on LCD see Diagram 10 The meter cannot continue operation and Er 7 icon disappears until Diagram 10 the calibration is done or when select No per parameter P2 3 15 PC70 Version1 4 6 2 9 Check the calibration date Check the last calibration date to see whether a new calibration is needed per parameter P2 4 clause 7 4 6 3 Conductivity calibration take an example of calibration with 1413yuS cm 6 3 1 Rinse pH electrode in pure water allow it to dry wash with a little of standard solution and submerge it in standard solution Stir the solution briefly and allow it to stay in the solution until a stable reading is reached TH 6 3 2 Press key to enter into the calibration mode Il I 1 The meter s display will show blinking std at the top right and I 1 _ L a scanning and locking process of calibration solution at the bottom right arc eon Er 2 appears if press key before the value is locked See chart 10 o i 6 3 3 When the meter locks 1413 US stable icon displays on LCD FE a Press key to calibrate the meter End icon appears after CONDI Ord calibration is done The meter returns to the measurement mode tT and LCD shows M icon at the bottom left See Diagram 11 for H _ S calibration process A arc PGO 14 13 6 3 4 If return from calibration mode without calibration press key to return to the measurement mode without calibration ang 6 3 5
28. nters into Customer defined calibration mode Press key the meter s display show a blinking CAL1 icon at the top right of LCD indicating the meter enters into the 1 point customer defined 9 PC70 Version1 4 calibration 4 4 2 Rinse pH electrode in pure water allow it to dry and submerge it in pH1 60 buffer solution Stir the solution briefly and allow it to stay in the buffer solution until a stable reading is reached For automatic temperature compensation ATC the temperature value does not blink When press key the main value blinks Press key or key to adjust the main value to 1 60 then press key to calibrate the meter After calibration is done LCD at the top right shows blinking CAL2 icon indicating the meter enters into the 2 point customer defined calibration Note For manual temperature compensation MTC when LCD displays the stable measuring value and icon press key then the temperature value blinks Press key or X key to adjust the temperature value and press key to confirm it Then the main value blinks Follow the above procedures to adjust the main value and calibrate the meter 4 4 3 Rinse pH electrode in pure water allow it to dry and submerge it in pH 6 50 buffer solution Stir the solution briefly and allow it to stay in the buffer solution until a stable reading is reached For automatic temperature compensation ATC the temperature value does not blink When press pe key the main value blinks Pres
29. o be free of defects in parts and workmanship for one year from date of shipment a six month limited warranty applies to sensors and cables If it should become necessary to return the instrument for service during or beyond the warranty period the sender is responsible for shipping charges freight insurance and proper packaging to prevent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification 26 PC70 Version1 4 Appendix Parameter setting and factory default setting Parameter setting items Pit Select pH buffer solution Set due calibration Check the date of the last calibration co Select resolution P1 0 pH Restore factory default rc setting Restore to factory Abbreviation Description default setting USA NIS CUS No HOO DOO 0 01 0 2 m Lo m LA No Yes Set reading stabilit criteria Factor Calibration range default es P1 7 Temperature calibration ESC EJ Select electrode constant 0 10 0 0 1 Select conductivit y SOL Standard CUS Standard standard solution Set due calibration calibration eaen E No HOO DOO No Check the date of the last P2 0 calibration Conductivity Select reference 15 30 temperature Erer Adjust temperature 0 00 9 99 compensation coefficient oti Restore
30. on mode Press key to enter into the calibration Submerge the electrode in pH7 00 solution press key when C icon abpbdears Submerge the electrode in pH4 00 solution press key when icon appears Submerge the electrode in pH10 01solution press key when icon appears After the 14 point calibration is done press key to enter into the measurement mode After the 2 point calibration is done press 4 key to enter into the measurement mode After the 3 point calibration is done the meter enters into the measurement mode automatically Diagram 9 Calibration and measurement process of pH meter During the process of calibration and measurement the meter has self diagnosis functions indicating the relative information as below please refer to Chart 5 Electrode zero electric potential out of A x range lt 60mV or gt 60mV Chart 5 Self diagnosis information of pH measurement mode Displa Icons Wrong pH buffer solution or the meter recognition of calibration solution out of range Electrode slope out of range lt 85 or gt 110 pH or gt 16 00pH Checking 1 point calibration 2 point calibration Sample Test 3 point calibration 1 Check whether pH buffer solution is correct 2 Check whether the meter connects the electrode well 3 Check whether the electrode is damaged Press 2 key when measuring valu
31. ops automatic storage In automatic storage OW g mode manual storage does not work Set time 0 per parameter P6 3 to exit from the automatic storage mode Diagram 5 6 PC70 Version1 4 3 5 3 Recall stored value In the measurement mode press key to recall the last stored i AA L time measuring value See Diagram 6 display RM icon and storage O 1 oH serial number Continue pressing key and key to recall ll successively the stored measuring value arc eon Press and hold key and key to recall quickly a the stored kd value OOO eu O Diagram 6 3 5 4 Clear stored value Select YES per parameter P6 7 to clear all stored value refer to clause 7 6 3 6 Automatic power off The meter will be power off after the meter stops operation for 20 minutes During Auto Logging Automatic power off disable 4 pH measurement 4 1 pH electrode information The meter matches 201T F plastic three in on combination pH electrode with built in temperature sensor to realize automatic temperature compensation Electrode housing adopts polycarbonate engineering plastics which is corrosion and impact resistant The BNC socket of electrode connects pH socket RCA socket connects temperature socket When dip the electrode in the solution please stir the solution briefly and allow it to stay in the solution until a stable reading is reached 4 2 pH calibration consideration 4 2 1 Standard buffer solut
32. or range 15 C 30 C Select per parameter P2 5 and see clause 7 4 6 2 5 Temperature coefficient The temperature compensation coefficient of the meter setting is 2 0 However the conductivity temperature coefficient is different for solutions of a different variety and concentration Please refer to chart 9 and the data collected during testing Set per parameter P2 6 and see clause 7 4 Note When the coefficient for the temperature compensation is set to 0 00 no compensation the measurment value will be based on the current temperature Chart 9 Temperature compensation coefficient of special solutions Solution Temperature compensation coefficient NaCl salt solution 2 12 C 5 NaQOH solution 1 72 C Dilute ammonia solution 1 88 C 10 hydrochloric acid solution 1 32 C 5 sulfuric acid solution 0 96 C 6 2 7 Avoid contamination of standard solution Conductivity standard solution has no buffer Please avoid being contaminated during usage Submerge the electrode in standard solution before wash the electrode and allow it dry Please renew conductivity standard solution frequently especially for standard solution of low concentration 84uS cm The contaminated standard solution can affect accuracy 6 2 8 Due calibration _ im Pre set calibration interval begin from the date of last calibration to remind due calibration in a preset period per parameter P2 3 clause 7 3 Duri
33. plastic which is corrosion resistant and impact resistant BNC jack of electrode connects to the meter s conductivity input jack RCA jack connects temperature jack When submerge the conductivity electrode in solution stir the solution briefly to eliminate the air bubbles and improve response and stability 13 PC70 Version1 4 6 1 2 Conductivity electrode constant The meter matches conductivity electrodes of three constants K 0 1 K 1 0 and K 10 0 Please refer to chart 7 for measuring range Set constant per parameter P2 1 and refer to clause 7 4 Chart 7 Electrode constant and measuring range lt 20 uS cm 0 5uS cm 100mS cm gt 100mS cm Conductivity electrode constant pos 84uS cm 84uS cm 1413 uS em 12 88 mS cm 111 9 mS cm 6 2 Conductivity calibration consideration 6 2 1 Conductivity calibration solutions The meter uses conductivity standard solution 84uS cm 1413uS cm 12 88 mS cm 111 9 mS cm and customer defined solution Select the standard solution per parameter P2 2 refer to clause 7 4 The meter can recognize the standard solution automatically can perform one point or multi point calibration the maximum is four point calibration The calibration guide icons at the bottom left of LCD correspond to the four standard values See chart 8 Chart 8 Conductivity standard solution series Calibration guide icons Calibration solution series 12 88 mS cm 2 20 mS cm 111 9 mS cm 20 200 mS cm 6
34. r press press key to return to the measurement mode key to enter in P6 2 mode or P6 2 Select backlight timing 1 2 3 minutes On 1 When press key 1 blinks then press key to select 2 3 minutes On When parameter blinks press key to confirm Select On to turn on backlight the timing unit is minute After confirm the parameter press key to enter in P6 3 mode or press key to return to the measurement mode P6 3 Adjust timing storage time 1 When press E key 100 blinks then press E key 0 blinks When number blinks press key and key to adjust timing and press 2 key to confirm 0 adjust hours 0 99 00 adjust minutes 0 59 2 After confirm the parameter press 4 key to enter in P6 4 mode or press key to return to the measurement mode P6 4 Adjust date 1 When press key Date blinks then press and Month blinks then press and Year blinks When the number blinks press 4 key and key to adjust date then press to confirm After confirm the above parameters the numbers stop blinking press key to enter in P6 5 mode or press key to return to the measurement mode P6 5 Adjust time 1 When press key Hour blinks then press and Minute blinks When the number blinks press A key and key to adjust time then press to confirm 2 After confirm the above parameters the numbers stop blinking press key to enter in P6 7 mode or pr
35. re e eE 23 8 USB COMMUNICAatION nme n annem nnn nnn A 24 a ae 26 10 War AIM tae am a a 26 Appendix Parameter setting and factory restoring setting 27 Appendix II Abbreviation Glossary s a 28 Appendix III Self diagnosis information e e e 29 PC70 Version1 4 1 Introduction Thanks for purchasing 70 series portable pH Conductivity meter This meter is perfect combination of the most advanced electronics sensor technology and software design and is the most cost effective portable electrochemical meter suited for industrial and mining enterprises power plant water treatment engineering environmental protection industry etc especially suited for application in field In order to use and maintain the instrument properly please read the manual thoroughly before use To improve instrument performance constantly we reserve the right to change the manual and accessories without giving notice in advance 1 1 Measurement parameters Measurement pH 0 COND 70 PC70 parameters pH mV Conductivity TDS Temperature 1 2 Basic features The microprocessor based portable meter features automatic calibration automatic temperature compensation function set up self diagnostics due calibration reminding calibration date checking automatic power off and low voltage display Meet GLP clock display
36. s key or key to adjust the main value to 6 50 then press key to calibrate the meter After calibration is done the meter goes to the measurement mode For customer defined calibration LCD does not show electrode calibration guide icons Note For manual temperature compensation MTC when LCD displays the stable measuring value and smiley icon press key and the temperature value blinks Press key or key to adjust the temperature value and press to confirm it Then the main value blinks Follow the above procedures to adjust the main value and calibrate the meter 4 4 4 Notes a The meter can perform 1 2 point customer defined calibration When the 1 point calibration is done press key the meter exits from calibration mode This is one point customer defined calibration b The value set in Customer defined is at a fixed temperature The meter has to perform calibration and measurement at the same temperature to avoid large error The meter cannot recognize customer defined calibration solution 4 5 Sample test 4 5 1 Rinse pH electrode in pure water allow it to dry and submerge it in tested solution Stir the solution briefly and allow it to stay in the tested solution until icon appears on LCD and a stable reading is reached which is pH value of tested solution 10 PC70 Version1 4 Diagram 9 is the calibration and measurement process of pH meter Press to turn on the meter 4 5 2 Self diagnosis informati
37. s key to switch to TDS and salinity 6 6 3 During the process of calibration and measurement the meter has self diagnosis functions indicating the relative information as below chart 11 Chart 11 Self diagnosis information of conductivity measurement mode 1 Check whether conductivity calibration Wrong conductivity calibration solution solution is correct electrode well 3 Check whether the electrode is damaged 1 Shake the electrode to eliminate bubbles in electrode head 2 Replace with new pH electrode Press key to perform calibration or cancel due calibration setup per parameter P2 3 During calibration the measuring value is not stable for 23min 17 PC70 Version1 4 6 6 4 Factory default setting For factory default setting please refer to parameter P2 8 clause 7 4 All calibration data is deleted and the meter restores to the theory value Some functions restore to the original value refer to appendix 1 When calibration or measurement fails please restore the meter to factory default setting and then perform re calibration or measurement Please note once set the factory default all the data deleted will not be retrievable 6 7 Conductivity electrode maintenance 6 7 1 Always keep the conductivity electrode clean Before taking a measurement rinse the electrode in pure water and then rinse it in the sample solution When submerge the electrode in solution stir the solution briefly to eliminat
38. the solution does not appear clean after washing 4 6 4 Renew glass bulb Electrodes that have been used over a long period of time will become ageing Submerge the electrode in 0 1mol L hydrochloric acid for 24 hours then wash the electrode in pure water then submerge it in soaking solution for 24 hours The method to prepare 0 1mol L hydrochloric acid dilute 9mL hydrochloric acid in pure water to 1000mL For serious passivation submerge the bulb in 4 HF hydrofluoric acid for 3 5 seconds and wash it in pure water then submerge it in the soaking solution for 24 hours to renew it 4 6 5 Clean contaminated glass bulb and junction please refer to Chart 6 12 PC70 Version1 4 Chart 6 Clean contaminated glass bulb and junction Contamination Abluent Inorganic metal oxide Dilute acid less than 1mol L Organic lipid Dilute detergent weak alkaline Resin macromolecule Dilute alcohol acetone ether Proteinic haematocyte sediment Acidic enzymatic solution saccharated yeast tablets Note The electrode housing is polycarbonate When use abluent take cautions on carbon tetrachloride trichlorethylene tetrahydrofuran acetone etc which will dissolve the housing and invalidate the electrode 5 mV measurement 5 1 Press wove key and switch the meter to mV measurement mode Connect ORP electrode need purchase it separately and dip it in sample solution stir the solution briefly and allow it to stay in the sol
39. ty meter 3 4 Reading stability display mode When the measuring value is stable smiley icon appears on LCD PH CO see Diagram 3 If the icon does not appear or flash please do not I JUH Time get the reading value or make calibration until the measuring value is stable E i Li pH Per parameter P1 6 there are 3 criteria for stability standard d Lf mor Normal H High and i a Low The factory default me PST is set Normal High is set for stability for longer time Low is set for OAA stability for shorter time User can select suitable stability criteria according to different testing requirement Diagram 3 PH Coon 3 5 Store recall and clear readings JUL Time 3 5 1 Manual storage E Hy pH When the measurement is stable press momentarily key d Li M icon and storage serial number appear on LCD storing measuring omen Psa information see Diagram 4 Ooo ft 3 5 2 Automatic timing storage Diagram 4 Set the storage timing eg 3 minutes per parameter P6 3 C icon appears on LCD and the meter enters into the timing storage Bul D OFT m mode When press momentarily key D key flashes and 7 l 7 the first measuring value is stored After 3 minutes the gi measuring E f j f value is stored See Diagram 5 the meter stores automatically eight lt ae measuring values When press momentarily key C icon arc Cau _ stops flashing and the meter st
40. u P2 1 of conductivity parameter setting then press A and X key to switch among submenu P2 1 P2 2P2 3 P2 4 gt P2 5 P2 8 P2 9 see Diagram 12 7 2 3 In P3 0 mode press key to enter in submenu P3 1 of TDS parameter setting see Diagram 12 7 2 4 In P6 0 mode press key to enter in submenu P6 1 of basic parameter setting then press 18 PC70 Version1 4 and key to switch among submenu P6 1 P6 2 P6 3 P6 4 P6 5 P6 7 P6 8 see Diagram 12 Diagram 12 Main menu and submenu of parameter setting Main menu of parameter setting Submenu of pH parameter setting P1 1 Select pH standard solution l l i P1 2 Set due calibration E i P1 3 Check calibration date 4 Y l l P1 4 Select resolution P1 5 Restore to factory default setting P1 6 Set stability criteria P1 7 Temperature calibration l l l l l l l l l l Submenu of Cond parameter setting l l l l l l l l l l l P2 1 Select electrode constant P2 2 Select conductivity standard solution P2 3 Set due calibration P2 4 Check calibration date P2 5 Select standard temp FA P2 6 Adjust temperature compensation factor P2 8 Set stability criteria P2 9 Temperature calibration I I LAS Submenu of TDS parameter setting Submenu of basic parameter setting P6 1 Select temperature unit P6 2 Select backlight time P6 3 Adjust timing storage time l l l l l l l l l l l l l l l l l l l
41. ution until icon appears and get the reading which is ORP value ORP means Oxidation Reduction Potential The unit is mV 5 2 Notes 5 2 1 ORP measurement does not require calibration When the user is not sure about ORP electrode quality or measuring value use ORP standard solution to test mV value and see whether ORP electrode or meter works properly 5 2 2 Clean and activate ORP electrode After the electrode has been used over long period of time the platinum surface will get polluted which causes inaccurate measurement and slow response Please refer to the following methods to clean and activate ORP electrode a For inorganic pollutant submerge the electrode in 0 1mol L dilute hydrochloric acid for 30 minutes then wash it in pure water then submerge it in the soaking solution for 6 hours b For organic or lipid pollutant clean the platinum surface with detergent then wash it in pure water then submerge it in the soaking solution for 6 hours c For heavily polluted platinum surface on which there is oxidation film polish the platinum surface with toothpaste then wash it in pure water then submerge it in the soaking solution for 6 hours 6 Conductivity Measurement 6 1 Conductivity electrode information 6 1 1 Conductivity electrode Model 2301T F plastic conductivity electrode with constant K 1 0 and built in temperature sensor can realize automatic temperature compensation The electrode housing is polycarbonate
Download Pdf Manuals
Related Search