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INSTRUCTION

MANUAL

CS526 ISFET pH Probe

Revision: 6/15

C o p y r i g h t © 2 0 0 9 - 2 0 1 5

C a m p b e l l S c i e n t i f i c , I n c .

Содержание CS526

Страница 1: ...INSTRUCTION MANUAL CS526 ISFET pH Probe Revision 6 15 C o p y r i g h t 2 0 0 9 2 0 1 5 C a m p b e l l S c i e n t i f i c I n c ...

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Страница 3: ...ving reinstalling and shipping defective Products to CSI CSI will return such Products by surface carrier prepaid within the continental United States of America To all other locations CSI will return such Products best way CIP port of entry per Incoterms 2010 This warranty shall not apply to any Products which have been subjected to modification misuse neglect improper service accidents of nature...

Страница 4: ...ng container Campbell Scientific s shipping address is CAMPBELL SCIENTIFIC INC RMA _____ 815 West 1800 North Logan Utah 84321 1784 For all returns the customer must fill out a Statement of Product Cleanliness and Decontamination form and comply with the requirements specified in it The form is available from our web site at www campbellsci com repair A completed form must be either emailed to repa...

Страница 5: ...fore beginning work Wear a hardhat and eye protection and take other appropriate safety precautions while working on or around tripods and towers Do not climb tripods or towers at any time and prohibit climbing by other persons Take reasonable precautions to secure tripod and tower sites from trespassers Use only manufacturer recommended parts materials and tools Utility and Electrical You can be ...

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Страница 7: ...ing 6 7 2 Datalogger Programming 7 7 2 1 Get Data Command 7 7 2 2 CRBasic Instruction Sequence 7 7 2 3 Instruction Descriptions 8 7 2 3 1 SerialOpen Instruction 8 7 2 3 2 SerialOut Instruction 8 7 2 3 3 SerialIn Instruction 8 7 2 3 4 SplitStr Instruction 9 7 2 4 Programming for Calibration 9 7 3 Calibration 9 8 Troubleshooting 9 9 Maintenance 10 9 1 Cleaning 10 9 1 1 When to Clean 10 9 1 2 Cleanin...

Страница 8: ... into a Program Editor A 1 B Example Program B 1 C Calibration C 1 C 1 Example Calibration Program C 2 Figures 9 1 Tip of the CS526 probe 11 Tables 7 1 Wiring 6 7 2 Get Data Command and Response 7 7 3 Instruction Sequence 7 7 4 Calibration Standards 9 ...

Страница 9: ...t wiring may cause performance loss and irreversible damage To prevent scratching the sensor chip when cleaning first soak the sensor in soapy water and then gently scrub with a toothbrush see Section 9 Maintenance p 10 Most scratches occur when hard particles are rubbed on the chip surface Scratches cause irreversible damage to the probe Do not use hydrofluoric acid acetone MEK or similar agents ...

Страница 10: ...Appendix C Calibration p C 1 3 Place the CS526 in the liquid being measured The CS526 ISFET pH probe can be installed without regard to orientation When installing in a well the 7421 Split Mesh Cable grip is recommended to center and suspend the cable reducing cable stretch 4 2 Use SCWin to Program Datalogger and Generate Wiring Diagram Short Cut is an easy way to program your datalogger to measur...

Страница 11: ...CS526 ISFET pH Probe 3 3 When Short Cut opens select New Program 4 Select Datalogger Model and Scan Interval default of 5 seconds is OK for most applications Click Next ...

Страница 12: ...ing the sensor click at the left of the screen on Wiring Diagram to see how the sensor is to be wired to the datalogger The wiring diagram can be printed out now or after more sensors are added 7 Select any other sensors you have then finish the remaining Short Cut steps to complete the program The remaining steps are outlined in Short Cut Help which is accessed by clicking on Help Contents Progra...

Страница 13: ...fer to use The CS526 is shipped dry and therefore must be soaked in pH solution before use The CS526 s cable can terminate in Pigtails that connect directly to a Campbell Scientific datalogger cable termination option PT Connector that attaches to a prewired enclosure cable termination option PW 6 Specifications Features Safety the ISFET with durable PEEK material can be used safely in application...

Страница 14: ... oz Dimensions Length 102 mm 4 in Diameter 16 mm 0 63 in Certifications ISO 9001 compliant EMC standard IEC61326 2005 7 Operation If you are programming your datalogger with Short Cut skip Section 7 1 Wiring p 6 and Section 7 2 Datalogger Programming p 7 Short Cut does this work for you See Section 4 Quickstart p 2 for a Short Cut tutorial 7 1 Wiring TABLE 7 1 Wiring Wire Color Wire Label Function...

Страница 15: ...ion sequence Information about the instructions is provided in Section 7 2 3 Instruction Descriptions p 8 and an example program is provided in Appendix B Example Program p B 1 TABLE 7 3 Instruction Sequence Instruction Function SerialOpen Set up a datalogger port for serial communication see Section 7 2 3 1 SerialOpen Instruction p 8 Scan Establish a scan rate SerialOut Send get data command to t...

Страница 16: ... wait for the echo of each character in the OutString NumberTries enter 0 TimeOut specifies the time in 0 01 seconds that the datalogger should wait for the WaitString or echo of each character in the OutString 0 is used in the example program 7 2 3 3 SerialIn Instruction The SerialIn instruction has the following syntax SerialIn Dest ComPort TimeOut TerminationChar MaxNumChars Dest specifies the ...

Страница 17: ...tructions can be used to make the required periodic calibration easier See Appendix C Calibration p C 1 for an example program 7 3 Calibration Calibration should be carried out according to the detailed procedure outlined in Appendix C Calibration p C 1 The calibration should use two or more pH standards listed in TABLE 7 4 which are available from Campbell Scientific TABLE 7 4 Calibration Standar...

Страница 18: ...526 needs to be periodically cleaned and calibrated to ensure accurate readings and proper operation The CS526 has no user serviceable parts 9 1 Cleaning Proper maintenance of a probe is important If the probe is not properly and regularly cleaned the probe can malfunction due to a contaminated diaphragm or ISFET chip Contamination on or blockage of the sensor and reference electrode diaphragm sur...

Страница 19: ...d detergent and soak for 5 minutes stir periodically 2 Scrub the surface of the chip and the diaphragm FIGURE 9 1 with a soft toothbrush and water with a mild detergent see Caution Never brush the probe tip especially the ISFET chip before rinsing and flushing thoroughly with water Before rinsing debris and particles may be on the sensor surface and brushing them into the sensor may damage it When...

Страница 20: ...as described in Section 9 1 2 Cleaning Procedure p 11 before revitalizing 1 Make sure the probe is warm around 60 C 2 Place the probe directly without flushing it with deionized water or cooling it down in a saturated KCl solution pn 16349 at room temperature and keep it in the solution for 20 minutes This cold KCl dip will regenerate the reference system and the diaphragm 9 2 Storage 9 2 1 Short ...

Страница 21: ...ditor 3 Click File Open Assuming the default paths were used when Short Cut was installed navigate to C CampbellSci SCWin folder The file of interest has a CR6 CR1 CR8 or CR3 extension CR6 CR1000 CR800 or CR3000 dataloggers respectively Select the file and click Open 4 Immediately save the file in a folder different from Campbellsci SCWin or save the file with a different file name Once the file i...

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Страница 23: ...sensor Dim rawstring As String 20 pHDigit 2 Main Program BeginProg Set up datalogger port for serial communication SerialOpen Com1 2400 16 0 41 Establish program scan rate of 60 seconds Scan 60 Sec 0 0 Send get data command to CS526 SerialOut Com1 1M1 CHR 13 0 0 Set up COM1 to receive incoming serial data Set timeout to maximum 200 mS SerialIn rawstring Com1 50 0 20 Split out digital count value f...

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Страница 25: ...Control Port Tx Green Control Port Rx Clear G Use the Numeric Display found in the datalogger software PC200W PC400 LoggerNet PConnect or PConnectCE to monitor the measurement in real time 1 Place the CS526 into a pH 7 buffer solution pn 25586 2 Monitor the pHmV reading in the Numeric Display and allow it to stabilize 3 Change the value in pH7record to 1 4 Remove the CS526 from the pH 7 buffer sol...

Страница 26: ...tring 20 pHDigit 2 Define Data Tables DataTable TenMin 1 1 DataInterval 0 10 Min 10 Average 1 pH FP2 False EndTable Main Program BeginProg SerialOpen Com1 2400 16 0 41 Scan 10 Sec 0 0 PanelTemp PTemp 250 Battery batt_volt SerialOut Com1 1M1 CHR 13 0 0 SerialIn rawstring Com1 50 0 20 SplitStr pHDigit rawstring String 2 0 pHCount pHDigit 2 Calibration If PH4record 1 Then pH4Count pHCount pH4record 0...

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Страница 28: ...om br Campbell Scientific Canada Corp CSC 14532 131 Avenue NW Edmonton AB T5L 4X4 CANADA www campbellsci ca dataloggers campbellsci ca Campbell Scientific Centro Caribe S A CSCC 300 N Cementerio Edificio Breller Santo Domingo Heredia 40305 COSTA RICA www campbellsci cc info campbellsci cc Campbell Scientific Ltd CSL Campbell Park 80 Hathern Road Shepshed Loughborough LE12 9GX UNITED KINGDOM www ca...

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