a manual
Contents
1. Optional accessories ZZ7310 Standard solutions PH6010 PH6110 PH6210 pH sensor epoxy body for clean liquids 1 m cable BNC Pt1000 probe in epoxy 1 5 m cable stereo jack ABC sample cup for measurements in soil buffer solution pH 4 125 cc buffer solution pH 7 125 cc buffer solution pH 9 125 cc Instruction manual Rev 01 09 10 2 GENERAL WARNINGS AND INFORMATION FOR ALL USERS 2 1 WARRANTY This product is guaranteed for all manufacturing defects 2 2 AFTER SALES SERVICE Nieuwkoop offers to all of its Customers the following services a free of charge Technical Assistance over the phone for problems regarding installation calibration and regular maintenance a Repairing Service in our Aalsmeer Holland headquarter for all types of damages calibration or for a scheduled maintenance Please take a look at the Technical Support data sheet at the end of the manual for more details 2 3 CEMARKING This instrument is manufactured according to the following European Community directives 72 23 EEC Electrical safety low tension amended in 93 68 EEC The C marking is placed on the packaging and on the S N label of the instrument 2 4 SAFETY WARNINGS It is important to underline the fact that electronic instruments are subject to accidents For this it is important to take all necessary precautions to avoid damages caused by malfunctions All types of operations must be performed2. N XX XX XX pH XXX X C 5 0 GENERAL SPECIFICATIONS Operating temp 0 7 60 C Relative humidity 20 95 non condensing Power supply 9 V Battery 6LR61 680 mAh Low Battery lt 7 5 V lt 6 5 V auto switch off Autonomy 350 hours approx continuously Veight 180 g approx battery included Size 125 x 75 x 25 mm Display LCD COG 8x1 characters Character dimension 11 97 x 4 97 mm Long message mode alternate message bar title variable pH Connection BNC Pt1000 Connection Jack 3 5 mm Instruction manual Rev 01 09 10 10 6 0 KEYBOARD 3 Key push button Functionality Functionality push lt 3 seconds push gt 3 seconds 1 MODE ON ESC OFF 2 LOG INCR Z CAL RESET 3 SET UP SHIFT S CAL ENTER RESET KEY push button functionality 1 MODE ON ESC OFF ON Instrument switch ON ESC Escape MODE Scrolling display OFF Instrument switch OFF for action gt 3 seconds 2 REC INCR Z CAL LOG Memo record when in measure INCR Increase value Scrolling vertical menu Z CAL Zero cal for action gt 3 s when in measure 3 SET UP SHIFT S CAL ENTER SET UP Access to Set up menu when in measure SHIFT Cursor shift Horizontal menu S CAL Sens cal for action gt 3 s when in measure ENTER Enter for action gt 3 s when in cal set up for action gt 3
3. by authorized and trained staff Instruction manual Rev 01 09 10 5 3 INSTRUCTION MANUAL CONTENTS This chapter describes the manual and gives suggestions to all users on how to read it and use it The manual is written according to the following norms UNI 10893 Instructions for use UNI 10653 Quality of product technical documentation 3 1 MANUAL REVISION This chapter shortly describes the differences between previously released versions of the same manual so to help users that are already familiar with the product Rev A First release 3 2 SYMBOLS Throughout the manual You may find the following symbols which are both dictated by a Norm or that are simply conventional Symbol Meaning A Attention pay great attention to what written next to this symbol This symbol is used to warn users that if the instructions are WARNINGS ignored or not correctly followed damage to the instrument can be caused Note This symbol is to invite the user to pay particular attention to a specific section of the manual eiii This symbol can be found in those chapters where there have been changes from the previous releases Instruction manual Rev 01 09 10 6 3 3 HOW TO READ THE INSTRUCTION MANUAL The manual includes all necessary information to fully comprehend the product to use it and preserving it and finally to achieve the performances for w
4. s Reset ZERO Reset SENS Erase all records when in record visualization RESET functionality is performed by INCR SHIFT when in cal when in cal Instruction manual Rev 01 09 10 ll 5 OPERATING PROCEDURES 5 1 OPERATING INSTRUCTIONS 5 1 1 Main measuring pH measuring Connect the pH sensor to the BNC of the meter according to the pH sensor type selected in the set up menu Immerse the sensor in the sample Press the key MODE The meter will switch ON and it will show the date entered at the end of the last calibration After few seconds it will turn to the display D1 0 and it will show the pH value of the sample When the temperature sensor is connected the meter will perform the automatic temperature compensation Temperature measuring Connect the Pt1000 sensor to the stereo jack socket of the meter Press two time the key MODE The meter will go to the D2 0 display and it will show the temperature value of the sample in C or F according to the set up selection The temperature measuring is available in the pH configuration The automatic manual temperature compensation is available only for the pH measuring Data logging During the pH measuring press the key LOG to memorize the pH value and the temperature value The record will be stored in the memory with an assigned number from 0 to 99 When the memory is full the display will show the message Mem full
5. shows the measures values and the messages to the operator After the switching off time the display will switch off automatically Keyboard The instrument has 3 keys that perform a second functions when pressed for more than 3 seconds Input The meter can be connected to a pH sensor provided with a BNC connector If it is connected to a temperature PT1000 sensor the meter can provide C or F readout pH temperature compensation When measuring the pH and the temperature the meter performs the automatic temperature compensation When the temperature sensor is not connected or it is malfunctioning the meter performs the pH manual temperature compensation The temperature display will show the messages CM or FM and the manual value Calibration During the pH calibration the meter recognize automatically the Nieuwkoop buffer solution pH 4 pH 7 pH 9 Power supply The meter is operated by a 9VDC battery Instrument setup The meter has the set up menu to select the response time of the filter software for small signal variations the temperature C F measuring unit and the time of the automatic switch off Data logger The meter can memorize up to 100 pH and temperature measures At the end of the calibration procedure it is possible to enter the date of the last calibration Instruction manual Rev 01 09 10 8 4 2 TECHNICAL SPECIFICATIONS The DISP number next to the default values shows th
6. the new value is accepted the display will show the message Last cal for few seconds and then it proposes to register the date by the flashing cursor under last digit AA AA INCR push the key to modify the last digit 1f necessary SHIFT push the key to position the cursor on the other digit to be modified with same procedure ENTER push the key for 3 seconds to confirm the date value This date value will be shown when switching ON the meter and when ending the next zero or sensitivity calibration so to be modified with the new date If the memorized buffer solution value doesn t correspond to the buffer solution used for the calibration proceed as follow SHIFT push the key to read the memorized buffer solution value with the flashing cursor under the last digit Mie ae FH INCR push the key to modify the last digit if necessary SHIFT push the key to position the cursor on the other digit to be modified with same procedure ENTER push the key for 3 seconds to confirm the adjusted value At this point the procedure is same as the above procedure with the recognized buffer solutions Sensitivity calibration Dip the sensor into the buffer solution pH 4 or pH 9 S CAL push the key for 3 seconds It appears the D1 2 display and message Sens Lal alternate to the pH value Allow the pH value stabilization SHIFT push the key to read the memorized buffer solution value ENTER push the key for 3 seconds to confirm the buf
7. DE push the key two times to turn to the main display unless it is requested to modify the automatic switching off time Instruction manual Rev 01 09 10 16 Switching off time The meter will switch off automatically if any keys is not pressed within the time configured in the SET UP menu The meter is delivered with the automatic switching off time of 90 seconds but it can be modified to 30 600 seconds by means of the following procedure SHIFT push the key from the main display The message SeL uE will appear SHIFT push the key The p n and the firmware release will appear INCR push the key 3 times The messages Ana OFF and the actual value in sec will appear SHIF push the key to read the time value with the flashing cursor on the last digit ae E INCR push the key to modify the last digit if necessary SHIFT push the key to position the cursor on the other digit to be modified with same procedure ENTER push the key for 3 seconds to confirm the adjusted value The message Hedat will appear If the new value is out of the accepted limits the display will show Fi intas ELE for few seconds The display will show the p n and the firmware release MODE push the key two times to turn to the main display 5 1 6 Maintenance of the unit Quality components are used to give the controller a high reliability In this way it needs just the battery replacement Battery replacement The meter controls t
8. The memory can be erased by the user See page 15 Low battery In case of the battery voltage lower than 7 5 VDC the message Low Batt wil appear when switching on the meter If the voltage is lower than 6 5 VDC the power will be switched off automatically 5 1 2 pH calibration The meter must be configured for pH measuring The meter recognize automatically the Nieuwkoop buffer solutions at values pH 4 pH 7 pH 9 Before performing the calibration through the buffer solutions verify that the glass membrane of the sensor has been kept wet while in storage If the protective reservoir is empty and the electrode is dry dip the electrode in a buffer solution or tap water do not use deionized water for three hours before proceeding You may also follow the instruction of the sensor s manufacturer Instruction manual Rev 01 09 10 12 Zero calibration Dip the sensor into the buffer solution pH 7 to perform the first point calibration zero calibration Z CAL push the key for 3 seconds It appears the D1 1 display and message Zero cal alternate to the pH value Allow the pH value stabilization SHIFT push the key to read the memorized buffer solution value ENTER push the key for 3 seconds to confirm the buffer solution value If the new value is out of the accepted limits the display will show the error message Jero err ENTER push the key for 3 seconds to delete the message and to turn to main display If
9. USER MANUAL PH 95 Automatic calibration GY NIEUWKOOP BV pH Temperatuur meter Microprocessor Rev from SN 156668 t PRODUCT PRESENTA TON ia ii da 3 1 1 Functional purpose of th umite A A a he eee 3 1 2 EOL DAL principles A A A TE 3 1 3 SENSOMS ANG ACCESS tc 4 2 GENERAL WARNINGS AND INFORMATION FOR ALL USERS ooconccccioccnoncconnoconccnanocanaconna ns 5 2 1 A A e A e aeaa tiie E titled 5 aye VANTE SALES SEI V IC 5 255 oon 2 nah feces aes cen E E E Sates oe bed gaa tse ee em nate aaa 5 2 3 CE marking io olas E R TR rotores 5 2 4 Safety MS de 5 3 INSTRUCTION MANUAL CONTENTS nat i n 6 3 1 Manya eV SO e a a a a e a s 6 3 2 SMS di 6 3 3 How to read the instruction malo lord q 3 3 1 Usinsthe this traimenton th Hd vais oetaedyede ct aedeagus Se Rbawa Aan Seed eee 7 3 3 2 Plantanantenande iii made 7 A gt SPECIFICATIONS a n 8 4 1 Functional specificatii essre arees aone os 8 4 2 Technical specifications aa a e o a E 9 y OPERATING PROCEDURES i A di 12 5 1 Operating ASA nsien riein REEE EER EREE E E RE AER 12 5 1 1 Main mer oe 12 5 1 2 POEL cabron E E E A SA 12 5 1 3 TEMPRANA RA A ates 14 5 1 4 RECO dai aa a nak 15 5 1 5 RT 16 5 1 6 M intenanceof Che ocio datar baca 17 5 1 7 Maintenance Ol the Sonia n 17 5 2 Storage and WANS POPLALION Aaa 17 Instruction manual Rev 01 09 10 2 1 PRODUCT PRESENTATION 1 1 FUNCTIONAL PURPOSE OF THE UNIT The basic system for pH and temperature measuring is made of three pa
10. and with the buffer pH 9 if the meter will operate in the alkaline range It is possible to perform the calibration by using the buffer solutions pH 4 and pH 9 We suggest to rinse the electrode in tap water after each dipping in the buffer solution in order to avoid their mixing and pollution In many applications it is enough to frequently perform only the zero calibration by using the buffer close to the measuring value in the process and the zero sensitivity calibration periodically The error messages during the calibration inform the operator about the bad condition of the pH electrode Verify the buffer solution and replace the electrode 5 1 3 Temperature calibration Automatic temperature This calibration can be done when the Pt1000 sensor is connected and the user wants to adjust the temperature readout in one point of the scale Dip the Pt1000 into the sample at known temperature MODE push the key from the main display in order to reach the D2 0 display Z CAL push the key for 3 seconds It appears the D2 1 display and message Zero cal alternate to the temperature value SHIFT push the key to read the temperature value with the flashing cursor on the last digit Pee or F INCR push the key to modify the last digit if necessary SHIFT push the key to position the cursor on the other digit to be modified with same procedure ENTER push the key for 3 seconds to confirm the adjusted value At this point the proced
11. d values Follow the next procedure to read the memorized values MODE push the key two times from the main display in order to reach the D3 0 display Uien Los SHIFT push the key to read the number of the record the alternate values of the pH and temperature INCR push the key more times to read the previous memorized records When the record number will reach 99 the message Meta Full To erase the memorized data MODE push the key two times from the main display in order to reach the D3 0 display SHIFT push the key to read the number of the record the alternate values of the pH and temperature LOG SHIFT press the two keys for 3 seconds The message Lossed erased will appear MODE push the key to turn to the main display To verify if records are erased MODE push the key SHIFT push the key to read the message Ere tH Instruction manual Rev 01 09 10 15 5 1 5 Set up This function allow the user to choose the filter software response time select the temperature measuring unit C F choose the time of the automatic switch off Sensor selection The instrument is delivered with the pH configuration Response time The meter is delivered with response time of 2 seconds and it can be modified up to 10 seconds by means of the following procedure SHIFT push the key from the main display The message SeL uE will appear SHIFT push the key The p n and the firmware release
12. e location of data in the menu SETUP parameters are indicated by S x y 1 0 MAIN MEASURE SENSOR TYPE kkk pH Electrode Glass pH Slope mV at 7 00 pH Zero Sensitivity Calibration INPUT RANGE pH Range Resolution Under Range Over Range 2 0 SECONDARY MEASURE 59 16 mV pH 25 C 0 0 2 00 pH 80 110 man auto with buffer BDH pH 4 7 9 1 00 15 00 pH 0 01 pH lt lt lt lt pH gt gt gt gt pH TEMPERATURE RAK 4 Input Wiring Temperature Unit Temp Compensation kk k RTD Pt1000 3 wires jack ICSE manual without RTD auto with RTD x Temperature Rang 10 0 110 0 2 KK 14 0 230 0 F Resolution 0 1 C F xxx Zero adjust 2 0 C ek 3 6 F Manual Temperature 0 0 100 0 C 32 0 212 0 F DEFAULT pH 0 00 pH 100 iG 0 0 C 0 0 C 20 20 FG 68 0 C DISP 1 0 S1 0 hip Ne S3 0 0b 0b N NN Instruction manual Rev 01 09 10 DEFAULT 3 0 SET UP PARAMETERS P N and Release FW PH 95 Rev 1 XX s1 0 Sensor type pH pH s2 0 Response time 90 0 10s 2s s3 0 Temperature unit E eE wC s4 0 Auto OFF time 30 600 s 90 s s5 0 40 MEASURE RECORD Memory type non volatile EEPROM Memory capacity 100 records erasable block erase Record numbers 0 99 Record format REC
13. fer solution value If the new value is out of the accepted limits the display will show the error message Sens err If the new value is accepted the display will show the message Last cal for few seconds and then it proposes to register the date by the flashing cursor under last digit AOT OAA TO MA INCR push the key to modify the last digit if necessary SHIFT push the key to position the cursor on the other digit to be modified with same procedure ENTER push the key for 3 seconds to confirm the date value This date value will be shown when switching ON the meter and when ending the next zero or sensitivity calibration so to be modified with the new date The message Leda Le indicates the new calibration values have been memorized Instruction manual Rev 01 09 10 13 If the memorized buffer solution value doesn t correspond to the buffer solution used for the calibration proceed as follow SHIFT push the key to read the memorized buffer solution value with the flashing cursor under the digit HARE INCR push the key to modify the last digit if necessary SHIFT push the key to position the cursor on the other digit to be modified with same procedure ENTER push the key for 3 seconds to confirm the adjusted value At this point the procedure is same as the above procedure with the recognized buffer solutions We suggest to calibrate the second point with buffer pH 4 if the meter will operate in acidic range
14. he voltage of the battery If the value is lower than 7 5 volt the display will show the message Law Batt The meter will switch off automatically if the battery voltage is lower than 6 5 volt To replace the battery remove the cover of the battery place on the back of the instrument Replace the 9 VDC battery Place the battery cover in the previous position 5 1 7 Maintenance of the sensor The state of the electrode s surface is critical for the normal operation of the system and should be inspected more frequently when using alkaline liquids oil and grease containing water and bio applications Suggested methods for cleaning the electrode include chemical cleaning except hydrofluoric acid and washing detergents dip the sensor for 30 seconds in a 5 HCI solution or detergent in case of grease contamination rinse thoroughly the sensor into deionised water 5 2 STORAGE AND TRANSPORTATION In case of long storage period keep the instrument in a dry area In case of tranportation use the original suitcase Instruction manual Rev 01 09 10 17
15. hich you have selected it and purchased it The manual is intended for experienced and prepared personnel who has knowledge of electronic instrumentations for field application The index guides the reader through the chapters and through the contents that he wishes to know or exploit In particular the first chapters narrate the general characteristics and they allow the reader to become more familiar with the product by describing its accessories and its use The user can then verify if he she has the necessary know how to use the meter Note Maintenance staff could be more interesting in the chapters regarding users instructions calibration maintenance warranty repair terms and conditions 3 3 1 Using the instrument on the field The end user can operate the meter by reading the pH temperature and eventually recording up to 100 readings through the three keys on the front panel 3 3 2 Plant maintenance staff Maintenance staff can select and set the desired parameters of the set up menu and perform the calibration of the measuring by using the standard solutions The set up menu allows the selection of the response time value of the filter software the C F temperature measuring unit the auto switching off time Instruction manual Rev 01 09 10 7 4 SPECIFICATIONS 4 1 FUNCTIONAL SPECIFICATION Display The instrument has an alphanumeric LCD display 8x1 characters The display
16. rts the meter described in this instruction manual apH a Pt1000 temperature sensor The instrument has the necessary electric circuits and firmware to perform the following functions 1 as the proper sensor is connected it displays the pH and temperature values 2 if a Pt1000 temperature sensor is connected it will display the temperature values 3 it performs an automatic or manual temperature compensation for pH measures 4 it performs the manual or automatic pH calibration 5 it allows the memorization and the visualization up to 100 readings 1 2 FUNCTIONAL PRINCIPLES When measuring pH the instrument receives a mV signal from the sensor and it displays the value in pH units this is done according to Nernst s law and the sensor used It is possible to make the necessary zero and sensitivity adjustments for pH and the zero adjustment for temperature Temperature influences the solution s ionic activity and the signal provided by the pH sensor For this in applications where the liquid temperature is different from a reference value of 20 C it is important to use the temperature compensation function of the pH measuring In applications where there is a great variation of the temperature value it is recommended to consider using a RTD and to use the automatic temperature function Instruction manual Rev 01 09 10 3 1 3 SENSORS AND ACCESSORIES Electrodes SZ 1021 Temperature probes TP5710
17. ure is same as the above steps The message Leda Le indicates the new calibration values have been memorized If the new value is out of the accepted limits the display will show the error message ero Err ENTER push the key for 3 seconds to delete the message and to turn to main display Instruction manual Rev 01 09 10 14 Manual temperature This calibration can be done when the Pt1000 sensor is not connected or malfunctioning and the user wants to adjust the manual temperature compensation value MODE push the key from the main display in order to reach the D2 0 display SHIFT push the key to read the manual temperature value with the flashing cursor on the last digit Att MA or CFM INCR push the key to modify the last digit if necessary SHIFT push the key to position the cursor on the other digit to be modified with same procedure ENTER push the key for 3 seconds to confirm the adjusted value At this point the procedure is same as the above steps The message Leda Le indicates the new calibration values have been memorized If the new value is out of the accepted limits the display will show the message MIN MAR BTEC or 32 212 F for few seconds 5 1 4 Records This function allows the memorization and the reading of the memorized measuring values LOG push the key to memorize the actual value of the pH and the temperature The meter will assign and show a progressive number up to 99 to the memorize
18. will appear INCR push the key one time The messages Flies Lim and the actual value in sec will appear SHIFT push the key The actual response time with the flashing cursor on the last digit XX s will appear INCR push the key to modify the last digit if necessary SHIFT push the key to position the cursor on the other digit to ber modified with the same procedure ENTER push the key for 3 seconds to confirm the new time in seconds The message Uedate will appear If the new value is out of the accepted limits the display will show Fi intas 1 16 for few seconds The display will show the message T Umit C or F MODE push the key two times to turn to the main display unless it is requested to modify the temperature measuring unit Temperature measuring unit The meter is delivered with the C temperature measuring unit and it can be modified to F by means of the following procedure Follow the same procedure to turn back to C unit SHIFT push the key from the main display The message SeL uE will appear SHIFT push the key The p n and the firmware release will appear INCR push the key two times The messages T Unit and C F will appear SHIFT push the key and than INCR to set the F C measuring unit ENTER push the key for 3 seconds to confirm the F C measuring unit The message Update will appear The display will show the message Ala LFF and the actual value in seconds MO
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