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PH20

About this documentation | 2

B-H86.0.11.DB201-1.0

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NOTE

For information about the software version, press and hold the ON button to switch on
the product for longer than 5 seconds. The series is shown in the main display and the
software version of the product is shown in the secondary display.

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Содержание 662-2283

Страница 1: ...EN PH20 pH Tester Operating manual European catalogue number EU connection 662 2283 Version 1 0 Issued 07 01 2019 ...

Страница 2: ...ion 11 4 1 Scope of delivery 11 4 2 Job description 11 5 The product at a glance 12 5 1 The PH20 12 5 2 Display elements 12 5 3 Operating elements 12 5 4 Connections 13 6 Bases for measurement 14 6 1 pH measurement 14 6 1 1 Explanation 14 6 1 2 pH electrode 14 6 1 3 Design 14 6 1 4 Further information 15 6 1 5 Choosing a pH electrode 15 6 1 6 Care and maintenance 15 7 Maintenance 17 7 1 Operating ...

Страница 3: ... 0 3 33 8 2 3 Configuring parameters of the configuration menu 24 8 2 4 Adjustment of the measuring input 25 9 Error and system messages 27 10 Disposal 29 11 Technical data 30 12 Service 31 12 1 Online resources 31 12 2 Sales partners 32 ...

Страница 4: ...dress of the manufacturer PH20 4 33 B H86 0 11 DB201 1 0 1 Legal address of the manufacturer VWR International bvba Researchpark Haasrode 2020 Geldenaaksebaan 464 B 3001 Leuven Phone 32 16 385011 http be vwr com ...

Страница 5: ...om material and production de fects for a period of two 2 years from the time of delivery If there is a defect VWR shall decide on its own discretion whether to repair or replace the product free of charge or to provide the customer with a refund of the purchase price of the product insofar as it is sent back during the warranty period This warranty shall be voided if the product was damaged accid...

Страница 6: ...r each step Instruction Tasks to be carried out by the personnel user are represented as numbered instruc tions Adhere to the sequence of the specified instructions Representation Shows an illustrative instruction or a configuration of the product Formula Some instructions include a formula for a general understanding of a configuration programming or a setting of the product Outcome of an action ...

Страница 7: ...1 0 7 33 NOTE For information about the software version press and hold the ON button to switch on the product for longer than 5 seconds The series is shown in the main display and the software version of the product is shown in the secondary display ...

Страница 8: ...which can cause damage to the device or to the environment in case of non observance NOTE This symbol indicates processes which can have a direct influence on operation or can trigger an unforeseen reaction in case of non observance NOTE This symbol instructs the use of eye protection which protects the eyes from harmful influences when working with powerful light UV radiation laser chemicals dust...

Страница 9: ...foods Inspect the electrode before and after the measurement Always measures in samples for measurements in foods Discard these samples after the measurement DANGER Potassium chloride potassium nitrate The electrode contains potassium chloride or potassium nitrate All contact with the skin clothing and eyes should be avoided Nevertheless should contact occur take the following measures Eyes Flush ...

Страница 10: ...king water waste water surface water swimming pools fish breeding and process chemistry See Technical data p 30 3 5 Qualified personnel For commissioning operation and maintenance the relevant personnel must have ad equate knowledge of the measuring process and use of the measurements for which purpose this document makes a valuable contribution The instructions in this docu ment must be understoo...

Страница 11: ... description The product offers precision speed and reliability in a compact ergonomic housing Additional impressive features include the dust proof and waterproof design in accord ance with IP 65 67 and the 3 line illuminated display which offers overhead display at the push of a button The product can be switched on switched off and configured and the measurements and parameters can be adjusted ...

Страница 12: ...perature for the displayed pH value with unit Measured temperatures are dis played with a decimal place adjusted without Bar graph Progress for calibration and visualisation of the electrode evaluation NOTE The unit display shows a rotating circle segment in the first position as long as the measurement is unstable if the position is unoccupied by the unit display 5 3 Operating elements On Off but...

Страница 13: ...Call up next parameter Long press 2s Start menu configuration ONF appears in the dis play Long press 4s Start automatic calibration AL appears in the dis play 5 4 Connections BNC connection Connection for electrode Un locking with rotating ring on the cable plug CAUTION Waterproofness Waterproofness is only guaranteed for plug connections in the plugged in state in combination with waterproof cabl...

Страница 14: ...roof versions from exten ded immersion above the shaft calibrate electrodes sufficiently often The can range from every hour to several weeks depending on the electrode and the application Use a suitable electrode 6 1 2 pH electrode NOTE Normally so called pH single rod measuring chains are used They include all neces sary components that are integrated in an electrode 6 1 3 Design 1 Coaxial cable...

Страница 15: ...e GE 104 BNC is preferably used for measurements in low ionic media such as rainwater aquarium water and deionised water GE 114 WD is a universally applicable durable and low maintenance gel elec trode with Pellon diaphragm It can be used for measurements in drinking water swimming pools aquaria and slightly contaminated waste water GE 117 BNC is a temperature compensated gel electrode with two ce...

Страница 16: ...ns Acetone Extremely resistant residues Hydrogen peroxide or sodium hypochlor ide The material of the pH probe must always be protected Plastic shafts must not be cleaned in solvents etc If in doubt contact the manufacturer to inquire about suitable cleaners for the existing electrode This is also important in the case of aggressive substances or other substances that are not primarily water based...

Страница 17: ...electrode should be stored in dry rooms at a temperature between 10 C and 30 C If the storage temperature range is exceeded or undercut the electrode can be destroyed It should always be stored wet in 3 mol l KCl Extended storage in distilled or deionised water will result in depletion of the reference electrolytes NOTE The pH electrode included in the scope of supply should be arranged vertically...

Страница 18: ...owing handling instructions before replacing batteries and follow them step by step If disregarded the product could be damaged or the protection from moisture could be diminished Description Proceed as follows to replace the batteries Prerequisites The product is switched off A suitable PH1 is available Instruction 1 Unscrews the Phillips screws and remove the cover 2 Carefully replace the two Mi...

Страница 19: ...precise measurement observe the following points NOTE If possible the calibration range should overlap the measuring range To achieve this it is recommended to use buffer solutions for measurements as follows below pH 7 uses pH 7 0 and pH 4 0 buffer above pH 7 uses pH 7 0 and pH 10 0 buffer NOTE Calibrations are only possible in a temperature range from 0 C to 60 C We recom mend performing calibra...

Страница 20: ... calibration of the product 7 3 1 3 Automatic pH calibration Description The following steps describe how to calibrate the product automatically Prerequisite The product is switched on The pH electrode is inserted in the product Ready to use 7 0 buffer solution Ready to use 4 0 or 10 0 buffer solution NOTE Automatic calibration can also be carried out with the pre mixed buffer solutions Since the ...

Страница 21: ...itrary buffer solution is available Instruction 1 Press the Function key for 2 seconds to open the Configuration menu 2 ONF appears in the display Release the Function key 3 The parameter SET T appears if the temperature sensor is not plugged in If the temperature sensor is plugged in you jump to the next point 4 Enter the temperature of the buffer solution by pressing the Up key and Down key and ...

Страница 22: ...H 6 and pH 8 is not possible With entry of the compensation value the resulting gradient value is calculated imme diately and AL ERR 2 or AL ERR 3 appears in the display instead of the measurement of the values are invalid 11 Wait until the display value is stable 12 Adjust the value corresponding to the buffer solution with the Up key and Down key and confirm the entry by pressing the Function ke...

Страница 23: ...n of the temperature sensor was made AL Calibration Blinks if no valid calibration is available The product is now ready for measurement NOTE The product must be calibrated to the electrode prior to starting the measurement If the electrode is chosen re calibration is necessary See Calibration and adjustment service 8 2 Configuration 8 2 1 Explanation The following steps describe how to adapt the ...

Страница 24: ...uration the last save value is re produced on the next start up of the product 8 2 3 Configuring parameters of the configuration menu Description The following representation shows the available parameters and various configura tion options Prerequisite The Configuration menu is open See Opening the configuration menu p 23 Instruction 1 Select the desired parameter you would like to configure 2 Ad...

Страница 25: ...tes Any changes made up to that point are not saved C END appears in the display There is no active timeout with the parameters PK OF and PK SL 8 2 4 Adjustment of the measuring input Description The temperature input can be adjusted with the zero point correction and the gradient correction If an adjustment is made you change the pre adjusted factory settings This is signalled with the T OF or T ...

Страница 26: ...parameter to the de sired value with the Up button and the Down button 5 In order to save the new parameter value press and hold the Function key for longer than 1 second Representation Call up menu Hold Release Outcome of an action The Configuration menu is closed after the last parameter NOTE If the product is switched off without saving the configuration the last save value is re produced on th...

Страница 27: ...ontamin ated or defective Use fresh buffer solution Clean electrode re calibrate Replace electrode AL ERR 3 Slope is too high Incorrect buffer solu tion used Buffer solution is contaminated Electrode contamin ated or defective Use fresh buffer solution Clean electrode re calibrate Replace electrode AL ERR 4 Incorrect calibration temperature Temperature too low or too high Range of 0 60 C AL ERR 5 ...

Страница 28: ...9 Error and system messages PH20 28 33 B H86 0 11 DB201 1 0 Replace batteries Send in for repair ...

Страница 29: ...for recycling It is also your re sponsibility to decontaminate the equipment in the event of biological chemical and or radioactive pollution in order to avoid putting any persons assigned with the disposal and recycling at risk For further information about the location where you can drop off your product contact your local dealer or the place where you originally purchased the product If you pro...

Страница 30: ...ight 108 54 28 mm without BNC plug 130 g incl battery without electrode 190 g incl battery and electrode Operating conditions 20 to 50 C 0 to 95 r h temporarily 100 r h Storage temperature 20 to 70 C Current sup ply 2 AA battery included in the scope of delivery Current requirement battery life approx 0 7 mA approx 2 5 mA with lighting Service life 3000 hours with alkaline batteries without backli...

Страница 31: ...ite at www vwr com All contact information of the technical customer service VWR online catalogue and information about accessories and compatible products Additional product information and special offers Contact If you require information or technical support please contact your VWR sales centre or visit our website www vwr com ...

Страница 32: ...n Tel 36 52 521 130 Email info hu vwr com India VWR Lab Products Private Limited No 139 BDA Industrial Suburb 6th Main Tumkur Road Peenya Post Bangalore India 560058 Tel 91 80 28078400 Email vwr_india vwr com Ireland Northern Ireland VWR International Ltd VWR International Northern Ireland Ltd Orion Business Campus Northwest Business Park Ballycoolin Dublin 15 Tel 353 01 88 22 222 Email sales ie v...

Страница 33: ...ail info fr vwr com 0 18 TTC min Netherlands VWR International B V Postbus 8198 1005 AD Amsterdam Tel 31 020 4808 400 Email info nl vwr com Norway VWR International AS Haavard Martinsens vei 30 0978 Oslo Tel 47 22 90 00 00 Email info no vwr com Great Britain VWR International Ltd Customer Service Centre Hunter Boulevard Magna Park Lutterworth Leicestershire LE17 4XN Tel 44 0 800 22 33 44 Email uks...

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