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TpH

OPERATING INSTRUCTIONS

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Summary of Contents for TpH

Page 1: ...TpH OPERATING INSTRUCTIONS ...

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Page 3: ...Use 9 4 1 Normal operation 9 4 2 Bypass Installation 9 4 3 Support Tube Installation 10 4 4 Storage 10 5 Calibration 11 5 1 pH Calibration 11 5 2 Measurement properties 13 5 2 1 Influences on the Measurement 13 5 2 2 Temperature compensation 13 6 Malfunction and Maintenance 14 6 1 Cleaning and Upkeep 14 6 2 Maintenance and Inspection 14 6 2 1 Temperature Calibration 14 6 2 2 Replacing the sensor a...

Page 4: ...d and operated in accordance with the specifica tions provided by TriOS Mess und Datentechnik GmbH All parts were designed and tested in accordance with international standards on electronic instruments The device meets the requirements of the international standards on electromagnetic compatibility Please use only original TriOS accessories and cables to ensure smooth and professional use of the ...

Page 5: ...rate injury Electromagnetic Waves Devices that radiate strong electromagnetic waves can influence the measurement data or result in a malfunction of the sen sor Avoid using the following devices in the same room as the TriOS sensor mobile phones cordless phones transmitters receivers and other electrical devices that produce electromagnetic waves Reagents Follow the safety and operating instructio...

Page 6: ...ces from TriOS Mess und Datentechnik GmbH meet the highest safety standards Repairs to the device which involve the replacement of the connecting cable must be carried out by TriOS Mess und Datentechnik GmbH or by a workshop authori zed by TriOS Defective improper repairs can lead to accidents and injuries 1 4 Users and Operating Requirements The TpH sensor has been developed for use in industry a...

Page 7: ...upport trios de According to current scientific knowledge the device is safe to use when it is handled according to the instructions in this user manual 1 6 Proper disposal At the end of its service life the device and its accessories may be returned for environmentally friendly disposal The preceding professional decontamination must be proven with a certificate Please contact us for more details...

Page 8: ...ity ensuring reliable sensor ope ration The preamplifier produces a strong signal so that the sensor can be located up to 300 m away from the controller 2 1 Product Identification All TriOS Mess und Datentechnik GmbH products have a label which clearly shows the product designation There is also a rating plate on the sensor with the following information that you can use to uniquely identify the p...

Page 9: ...ontact Keyword Index Accessories 2 2 Scope of delivery The delivery contains the following components Sensor Operating Instructions Accessories if applicable Keep the original packaging of the device in case it needs to be returned for maintenance or repairs 2 3 Measurement Principle and Design Cable bushing Porous reference compound HDPE Flat pH glass High density polyethylene ...

Page 10: ... 2 RS 485 B 3 Not assigned 4 Not assigned 5 Not assigned 6 Not assigned 7 Ground Power Ser Interface 8 Power 12 24 VDC Ensure correct polarity of the supply voltage because otherwise the sensor may be damaged The sensor is ready for commissioning as soon as the installation of accessories is complete it is connected to your control device and the configuration is complete 3 2 Electric 3 2 1 Serial...

Page 11: ...easurement fluctuations may occur Before a measurement all air bubbles under the membrane must first be removed by light shaking As soon as the sensor is connected to the power supply it starts to measure This is indicated by the green light in the upper sensor area To obtain stable and safe measurements please wait for temperature stabilisation after introducing the sensor into the measuring envi...

Page 12: ...ap 4 The sensor and adapter can now be installed in the support tube Support tube Adapter ZM46 ZM41 O ring 23x2 5 NBR Cap nut ZM13 4 4 Storage Never store the sensor dry Always keep the protective cap and reuse it for storage in a solution of pH4 buffer and potassium chloride or a 3 molar KCl solution Never store the TpH sensor dry If a sensor or the electrode of the sensor should nevertheless hav...

Page 13: ... pH4 are calibrated For calibration select pH buffer solutions with an accuracy of 0 01pH and observe the temperature Fresh or newly prepared solutions must be used for each calibra tion TriOS offers an ideal set for the TpH calibration with a sensor holder and buffer solutions for 6 calibrations Do not wipe the electrode NOTICE Procedure Since the pH value is temperature dependent it is recommend...

Page 14: ...ve the temperature Rinse the sensor with distilled water You can now begin your measurements Dispose the buffer solutions after use Immerse the sensor slowly into the small buffer solution and move it slightly so the membrane is wetted by the buffer solution Allow the sensor to warm up for approx 5 minutes and then calibrate to pH7 Observe the temperature Optimum immersion depth in applica tion wi...

Page 15: ...eratures of the measuring medium accelerate the ageing of the electrode Note the immersion depth a too shallow immersion depth can lead to fluctuating measured values Air bubbles on the sensor can cause measurement errors Alkali error at pH values above pH12 alkali ions Li Na can cause lower pH values to be displayed as the alkaliions are detected in addition to the H ions Flow can influence the m...

Page 16: ...n the sensor probably has to be replaced Do not disassemble the sensor for cleaning and maintenance Avoid touching the sensors as they could be damaged If this is the case the functionality of the sensor can no longer be guaranteed After cleaning always rinse the sensor and the sensor system carefully with distilled water NOTICE NOTICE NOTICE 6 2 1 Temperature calibration Since the pH value is tem...

Page 17: ... you need to replace your sensor set the controller to Maintenance mode Options Service mode 2 Remove the sensor from the FlowCell tube system At this point you should also check whether the O rings are still perfect Replace the O rings if necessary 3 Commissioning the new sensor Connect the new sensor to the TriBox3 Press Sensor Scan After a short time the TriBox3 should have recog nized the new ...

Page 18: ...0 01 pH Temperature 0 1 C precision pH 0 06 pH Temperature 0 5 C Intrinsic error pH1 0 05 pH pH7 0 05 pH pH13 0 35 pH Linearity measurement error 0 1 pH Repeatability pH1 0 1 pH pH7 0 05 pH pH13 0 1 pH Output signal fluc tuation pH7 0 025 pH pH4 0 05 pH Warm up time 5 min Drift Short term drift 24 h 0 03 pH Long term drift 1 week 0 05 pH 10 time and 90 time T10 ascending 2 s T10 falling 2 s T90 as...

Page 19: ...zation is prohibited Offenders will be held liable for the payment of damages All rights reserved 23 27 138 36 5 178 Position Material sensor body Polyethylene Terephthalate PE Power supply 12 24 VDC 10 Connection 8 pin M12 plug Sensor cable 2 m and 10 m Required supervision Typically 0 5 h month Calibration maintenance interval Typically 4 weeks System compatibility Modbus RTU Warranty 1 year EU ...

Page 20: ...ve allows the use of compressed air cleaning for the sensors The TriBox3 also offers TCP IP and WLAN networks USB connection and 6 analog outputs 4 20 mA An integrated relay can be used to trigger alarms or to control external devices Features such as low po wer consumption a robust aluminium housing and a range of interfaces make it suitable for all applications that have to do with environmental...

Page 21: ... pH7 liquid standards which are used to calibrate the TriOS pH sensor TpH Thus a reliable detection of pH can be guaranteed Together with the sensor holder and the FlowCell it further enables you to carry out a quick and precise check of the pH sensor on site pH values of TriOS buffer solutions and their temperature dependency C F pH 0 32 4 01 5 41 4 00 10 50 4 00 15 59 4 00 20 68 4 00 25 77 4 01 ...

Page 22: ... period of our devices within the EU is 2 years from the date of the invoice Outside of the EU the warranty period is one year All wearing parts are excluded from the warranty The warranty is subject to the following conditions The device and all accessories must be installed as described in the corresponding manual and must be operated according to the specifications Damage due to contact with co...

Page 23: ...ervice 11 Contact We are constantly working to improve our devices Visit our website for news If you have found an error or bug in one of our devices or programs please let us know Customer service support trios de General questions sales sales trios de Website www trios de TriOS Mess und Datentechnik GmbH Bürgermeister Brötje Str 25 26180 Rastede Germany Tel 49 0 4402 69670 0 Fax 49 0 4402 69670 ...

Page 24: ...18 B Biological Safety 3 Bypass Installation 9 C Calibration 11 CE certification 24 Certificates approvals 5 Cleaning 14 Contact 21 Copyright 2 Customer service 20 D Dimensions 17 Disposal 5 E Electrical installation 8 Electromagnetic Waves 3 F Flow through cell 9 G H Health and safety information 3 I Intended use 4 J K L M M12 industrial plug 8 Maintenance 14 Measurement properties 13 Modbus 25 N...

Page 25: ...omer Service Contact Keyword Index Accessories P Product Identification 6 Q R Rating plate 6 Reagents 3 Returns 15 RMA number 15 S Safety instructions 3 Scope of delivery 7 Specifications 16 Storage 10 Structure of the sensor 7 T Technical specifications 16 Temperature compensation 13 Tube Installation 10 U User requirements 4 V W Warnings 4 Warranty 20 Waste 3 X Y Z ...

Page 26: ...ct TriOS GmbH déclare la conformité du produit Bezeichnung TpH Product name Designation Typ Type Type Art Nr 80S1000x0 Mit den folgenden Bestimmungen 2014 30 EU EMV Richtlinie With applicable regulations 2011 65 EU RoHS Richtlinie Avec les directives suivantes Angewendete harmonisierte Normen EN 61326 1 2013 Harmonized standards applied EN 55011 2009 A1 2010 Normes harmonisées utilisées EN 61010 1...

Page 27: ... bit floating point number Char n Null terminated ASCII string of n characters Uint16 n n Field of n Uint16 values Float n 2n Field of n float values Data types n 2 Functions The sensor supports the following Modbus functions Name Code Description Use Read multiple registers 0x03 Read the serial number configuration calibration and measurement data Write multiple registers 0x10 Write the configura...

Page 28: ... January 1970 Internal counter with 0 9 accuracy 8 00MHz Device description RW 109 Char 64 Sensor description e g Inlet South Index for Moving Aver age Offset Scaling RW 400 Uint16 The index of the parameter for the following offset and scaling settings The index depends on the parameter list in this description from register 1000 0x0000 pH 0x0001 Temperature Moving average RW 401 Uint16 The numbe...

Page 29: ...ctory calibration 0x0000 pH 0x0001 Temperature Factory calibration Offset RW 6002 Float Offset of the factory calibration to the selected parameter Factory calibration Scaling RW 6004 Float Scaling factor of the factory calibration to the selected parameter Factory calibration Square RW 6006 Float Square coefficient of the factory calibration to the selected parameter Not used always 0 Factory cal...

Page 30: ...id status 0x0010 FSM invalid transition 0x0020 FSM insufficient authentication 0x0040 FSM invalid parameter index 0x0100 FSM invalid calibration method 0x0200 Last calibration Parameter RW 6019 Uint16 Parameter index of the following calibration data last calibration 0x0000 pH 0x0001 Temperature Last calibration Offset RW 6020 Float Offset of the last calibration to the selected parameter Last cal...

Page 31: ...0x0002 pH value outside 0 5 12 5 0x0008 Reference voltage outside 0 3 1 17V 0x0010 State machine for pH calibration controller writes FSMCtrl controller performs action sensor writes FSMCtrl set FSMCtrl 0100h calibration machine 0 set FSMParam parameter and calibration method 1 2 4 6 7 optional trigger measurement read measurement values 1 measurement value zero point 3 2 measurement value after n...

Page 32: ...he measurements During this phase the control unit should continuously trigger measurements and read out the measure ment results As soon as the sensor has collected enough measurement values it switches to state 7 and awaits the transmission of the setpoint 7 Acquisition of the target value The control unit writes the target value into the register of the measurement parameter of the calibrated p...

Page 33: ...en by selecting the parameter and the calibration method the calibration must be re initialized Error conditions If an error occurs during calibration and the sensor remains in one of the above mentioned error states the calibration machine must be terminated in any case and needs to be restart ed if necessary An error recovery within the calibration machine does not take place State parameter reg...

Page 34: ...r LED gets blue Step 2 Requirements Calibrate pH 7 FSM Status 2 Start calibrate pH 7 0x06 5000 0x0103 Insert buffer pH7 Stable readings poll until stable Check read FSM Status register until FSM Status gets 7 takes a little while 0x03 5002 1 7 Integer Write specified value of stand ard solution 0x10 1000 IEEE 754 Float 2 IEEE 754 Float Notes Use 40E0 40E0 pH7 if you can t write floats Check read F...

Page 35: ... gets 2 0x03 5002 1 2 Integer Notes Now poll readings to check if values satisfying Poll pH data 0x03 1000 2 IEEE 754 Float Calibration is not saved yet If you leave calibration process or power down between step 1 and 6 the calibration is lost Step 5 Requirements Save Calibration Calibration process succeeded Save Calibration and wait for FSM Status to get 11 0x06 5000 0x0109 Check read FSM Statu...

Page 36: ...er LED gets blue Step 2 Requirements Calibrate temperature FSM Status 2 Start calibrate temperature 0x06 5000 0x0103 Measure reference temperature Stable readings poll until stable Check read FSM Status register until FSM Status gets 7 takes a little while 0x03 5002 1 7 Integer Write reference temperature value 0x10 1002 IEEE 754 Float 2 IEEE 754 Float Notes Check read FSM Status register until FS...

Page 37: ...t Step 4 Requirements Save Calibration Calibration process succeeded Save Calibration and wait for FSM Status to get 11 0x06 5000 0x0109 Check read FSM Status register until FSM Status gets 11 0x03 5002 1 11 Integer Set FSM Status to 2 again 0x06 5000 0x0102 Check read FSM Status register until FSM Status gets 2 0x03 5002 1 2 Integer Calibration is saved Step 5 Notes Leave Calibration process 0x06...

Page 38: ...36 D01 068en201913 Manual TpH Annex TpH ...

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