GE - flowmeterflowsensor
Contents
1. 3mol KCI 3mol l KCI gel 3mol KCI gel Note cable GEAK 2S7 BNC or GEAK 5S7 BNC is needed for connection S7 Connection Cable Notes Cinch 1m BNC Cinch 1m BNC Cinch im BNC Cinch 1m BNC Cinch 1m moveable joint BNC easy to clean Cinch 1m BNC DIN and 2m _ pressure resistant up to 4mm banana 6 bar with PG13 5 thread Cinch 2m pressure resistant up to ENG 2 _ 6 bar with PG13 5 thread S7 connection BNC und 2m __ pressure resistant up to MiniDIN 6 bar BNC and 2m __ pressure resistant up to 4mm banana 6 bar with PG13 5 thread Cinch a incl screwable cutting BNG blade BNC and 2m __ water proof IP 67 4mm banana incl plug Cinch 1m oo alkali resistant BNC E up to 130 C 15 bar with S7 connection PG13 5 thread Cinch 2m Pressure resistant up to BNC 6 bar with PG13 5 thread Diaphragm type Membran shape 2xceramic sphere 2xceramic sphere 2xceramic cone 2xceramic sphere grinding cylinder 3xceramic sphere 2xceramic cylinder 2xceramic cylinder 2xceramic cylinder 2xceramic cylinder 2xceramic cone 1xceramic cylinder 1xceramic cylinder 3xceramic sphere grinding cylinder GHM Messtechnik GmbH Standort Greisinger Hans Sachs Str 26 D 93128 Regenstauf T 49 0 9402 9383 0 amp 49 0 9402 9383 33 27 info greisinger de page 2 of 4 Tube plastic approx 12x110 mm plastic approx 12x122. the diaphragm and reference electrolyte e Take care that the diaphragm fully contacts the media you want to measure Minimum depth for e g GE 100 20 mm maximum 80 mm e Keep cable and plug of the electrode always clean and dry Otherwise the electric insulation will be lost and conse quently measuring errors or other subsequent errors might occur e The calibration adjustment of the measurement chain single rod or measurement and reference electrode has to be performed according to the device manufacturer The asymmetry is adjusted with help of an buffer solution with a value at the chain s zero point e g pH 7 0 The slope is adjusted with help of a second buffer solution whose pH value should match the expected measuring range e g pH 4 0 pH 10 0 pH 12 0 but at least 2 pH units different from the first value e The electrode has to be stored in dry rooms at temperatures between 10 C to 30 C Below 5 C the electrode might be damaged because of freezing of the electrolyte e Our pH electrodes can be used at angles of 90 45 to the horizontal Calibration The electrodes have to be calibrated adjusted in regular intervals The length of the intervals depends on the accuracy requirements the application and the electrode If asymmetry or slope cannot be adjusted any longer it s a sign that a the electrode is exhausted and has to be exchanged or b the electrode is polluted and has to be cleansed see
3. 0 mm glass approx 012x120 mm plastic approx 12x120 mm glass approx 012x120 mm Kopf ca 6x30 mm plastic approx 012x120 mm plastic approx 12x120 mm plastic approx 012x120 mm plastic approx 12x120 mm plastic approx 12x120 mm plastic approx 22x110 mm with injection tip approx 13x60 plastic approx 12x120 mm glass approx 012x120 mm glass approx 12x120 mm glass approx 12x120 mm head approx 6x30 mm Z03 0 0X 6C 05 page 3 of 4 Choose the right electrode GE GE GE GE GE GE GE GE GE GE GE GE GE GE GE 014 100 101 103 104 106 107 108 109 117 120 125 151 170 173 Aquarium water X X X X X X X X Beverages X X X Cosmetics Drinking water X X Emulsions X gt x lt gt lt gt lt gt lt Fish farming X X Food sample X X Galvanic baths X X Low ion media Rain water some aquariums VE water On site measurements X X X X X Photo laboratory X Process chemistry X X Sea water X X X X X X X X X X X X X X X Sewage X X Soil testings X Suspensions X X Swimming pool water X X X X X Water based lacquers X X General All electrodes are delivered checked and ready for measuring The warranty period is 12 months for appropriate treat ing pH electrodes are wearing parts and have to be exchanged when the demanded
4. 108 GE 108 BNC BNC standard pH electrode _ __ pressure resistant GE 108 S7 pH electrode with int GE 109 Pt100 sensor pH electrode with int GETU Pt1000 sensor GE 120 GE 120 BNC injection pH electrode pH electrode with int GE 125 Pt1000 sensor GE 151 pH electrode for difficult GE 151 BNC measurement conditions GE 170 pH electrode for extreme measurement conditions GE 173 special grinding GE 173 BNC pH electrode Operating range pH 2 12 0 60 C gt 200 uS cm pH 0 14 0 80 C gt 100 uS cm pH 2 11 0 60 C gt 100 uS cm pH 0 14 0 80 C gt 200 uS cm pH 2 14 0 80 C gt 20 uS cm pH 0 14 0 80 C gt 100 uS cm pH 0 14 0 80 C gt 200 uS cm pH 0 14 0 80 C gt 100 uS cm pH 2 11 0 60 C gt 100 uS cm pH 2 11 0 60 C gt 100 uS cm pH 0 14 0 60 C gt 200 uS cm pH 0 14 0 70 C gt 200 uS cm pH 0 14 5 80 C gt 100 uS cm pH 0 14 0 130 C gt 100 uS cm pH 0 14 0 80 C gt 50 uS cm Pressure pressureless pressureless pressureless pressureless pressureless pressureless max 6 bar max 6 bar max 6 bar max 6 bar pressureless pressureless pressureless max 15bar max 6 bar Reference electrolyte 3mol I KCI 3mol l KCI 3mol l KCI 3mol I KCI 1mol KNO3 3mol I KCI 3mol I KCI 3mol I KCI gel 3mol I KCI gel 3mol l KCI gel 3mol l KCI gel Ag AgCl gel 3mol l KCI gel
5. Attention Do NOT use this product as safety or emergency stopping device or in any other application where failure of the prod uct could result in personal injury or material damage Failure to comply with these instructions could result in death or serious injury and material damage 6 The electrodes contain 3 molar KCL GE103 1mol l KNOs which is acidly First Aid provisions After contact with skin clean with sufficient water After contact with eyes rinse opened eye with sufficient water contact oculist After swallowing drink much water If feeling sick contact doctor 7 Attention The electrodes contain glass If the pH electrode is damaged please abolish the medium being measured If swallowed gullet and gastrointestinal tract could be injured __ glass membrane PRC Technologies Corp Ltd Tel 02 932 1711 3 Fax 02 530 1731 Email info prctechnologies co th GHM Messtechnik GmbH Standort Greisinger Hans Sachs Str 26 e D 93128 Regenstauf ae eee S eee T 49 0 9402 9383 0 amp 49 0 9402 9383 33 7 info greisinger de Z03 0 0X 6C 05 Specifications Type Description GE 014 GE 014 BNC low Cost pH electrode GE 100 GE 100 BNC standard pH electrode ae ti H electrod GE 101 BNC injection pH electrode GE 103 double chamber GE 103 BNC pH electrode GE 104 special grinding GE 104 BNC ph electrode a N H electrode for VE wat GE 106 BNC pH electrode for VE water pH electrode with int GE 107 Pt1000 sensor GE
6. Z03 0 0X 6C 05 page 1 of 4 Manual for pH electrodes combination electrodes GE Intended use The safety requirements see below have to be observed specialised cable The pH electrodes must be used only according to its intended purpose and under suitable conditions The electrodes must be operated with suitable measuring devices and be calibrated before first use and afterwards in regular intervals The life time and accuracy of the electrodes depends on adequate selection as well as on proper handling Please consider therefore the chapters Choose the right elec trode Measuring and storing and Maintenance Use the device carefully and according to its technical data do not throw it strike it etc Protect the device from dirt shaft outer electrolyte Design In most cases so called combination electrodes are used That means that all needed elements are integrated in a single electrode including reference electrode Some times even a temperature sensor is integrated The picture on the right shows an electrode without temperature sensor reference electrode inner electrolyte There are several design types for the diaphragm but generally said it is the connec sensing electrode tion between electrolyte and the measured solution A blockade or soiling of the dia ee phragm is often the reason for the electrodes idleness and erratic behavior diaphragma The glas
7. be kept wet When not in use the electrode must be stored in 3 mol l KCI solution GE 103 in 1 mol l KNO If the pH glass diaphragm dried out the performance and the responsive ness are affected To re moisten the electrode store it in 3 mol l KCI solution for 24 hours GE 103 1 mol l KNOs A longer storage of a combination electrode or a reference electrode in distillated water will deplete them of KCI Please refill KCl electrolyte saturated or 3 mol in time e Do not touch the glass diaphragm Damages on the surface and attrition affect the performance negatively and might even destroy the electrode e Before usage perform a visual check of the pH electrode If there are air bubbles in the pH glass diaphragm or the outer reference electrode you can get them out by shaking the electrode downward like handling a quicksilver fibre thermometer GHM Messtechnik GmbH Standort Greisinger Hans Sachs Str 26 e D 93128 Regenstauf T 49 0 9402 9383 0 amp 49 0 9402 9383 33 7 info greisinger de Z03 0 0X 6C 05 page 4 of 4 e For electrodes with liquid electrolytes For continuous flow of electrolyte the cap sleeve made of rubber that co vers the refill opening has to be removed before measurements The opening has to be closed for storage in or der to prevent running down e The level of the electrolyte should be over the level of the measured medium This ensures stable measuring val ues and reduces pollution of
8. below or c the buffer solution is exhausted prepare new solution Prepared buffer solution have a limited life time about 1 month when using calibrating it thoroughly no procrastination of buffer solution residua from one solution to an other one through cleaning and drying the electrode not enough Buffer capsules have no lifetime limitations therefor we recommend keeping a sufficient number of them in stock pH 12 buffer capsules white have to be stored in an exsiccator or stored together with drying agent The electrolyte 3mol l KCl should always be available for refilling it is also recommended to keep enough in stock As an alternative to the buffer capsules the PHL buffer solutions are available They are stored in practical 250 ml dos age bottles and are ready to use keep the best before at the buffer solutions in mind The electrolyte mostly 3 mol l KCI should be always available for refilling too e g contained in working and calibration set GAK 1400 Maintenance e For electrodes with liquid electrolyte Check level of reference electrolyte and if necessary refill 3 mol l KCI solution with help of an syringe or pipette e Crystallization of the 3 mol l KCI 3 molar KCl is inevitable Crystallized KCI on the protection cap and the breech collar can be removed with fingernails or a wet cloth This is no defect or a reason for reclamation e Contaminated electrodes have to be cleaned The suitable cleaning agents fo
9. r the pH glass diaphragm are given in the table below Mechanical cleansing should be avoided as this might damage the electrode permanently There fore a chemical cleansing is preferable Standard cleaning Put electrode into cleaning solution GRL100 0 1 molar HCI with Pepsin for 10 min contamination cleaning agent f general deposits mild washing agent inorganic coatings common fluids for glass cleaning metallic compounds 1 mol l HCI solution oil fat special cleaning agents or solvent biological coatings with protein pepsin enzyme in 0 1 molar HCl dilution GRL100 resin lignin acetone extremely resistant deposits hydrogen peroxide sodium hypochloride The distinct materials of the electrode have to be considered when choosing the cleaning agent E g electrodes with plastics shaft must not be cleaned with solvents In case of doubt please contact the manufacturer for further advice The same has to be considered when using aggressive or other non water based agents e g included in working and calibration set GAK1400 Disposal Exhausted pH electrodes must be disposed via special refuse When delivering exhausted electrodes from our product range free for us sufficient post paid we will dispose them for free GHM Messtechnik GmbH Standort Greisinger Hans Sachs Str 26 e D 93128 Regenstauf 49 0 9402 9383 0 amp 49 0 9402 9383 33 7 info greisinger de
10. s membrane has to be treated with care The hydrated gel layer forms on the surface of the glass membrane which is of highest importance for the measurement The electrode has to be kept wet to preserve the hydrated gel layer see below AX Safety regulations This device was designed and tested according to the safety regulations for electronic measuring devices Faultless operation and reliability in operation of the measuring device can only be assured if general safety measures and the devices specific safety regulation mentioned in this user manual are considered 1 Faultless operation and reliability in operation of the measuring device can only be assured if the device is used within the climatic conditions specified in the chapter Specifications 3 When connecting the device to other devices the interconnection has to be designed most thoroughly as internal connections in third party devices e g connection of ground with protective earth may lead to undesired voltage potentials that can affect the connected devices could damage them or even may destruct the devices 4 The device must be switched off and must be marked against using again in case of obvious malfunctions of the device which are e g visible damage the device is not working as prescribed storing the device under inappropriate conditions for longer time In case of doubt the device should be sent to the manufacturer for repairing or servicing 5
11. values are not complying with even after thoroughly cleaning the electrode and regenerating it depending on chemical and mechanical strain When using please consider that different substances in aqueous solution may affect glass and that chemicals may react with the KCI solution in the electrode and could block the diaphragm Examples protein containing dilutions as used in medicinal and biological measuring the protein could be dena tured by the KCI solution coagulated lacquers solutions containing higher concentration of silver ions Other problems could happen when measuring ion depleted and solvent containing mediums Substances that deposit on the diaphragm influence the measuring and have to be removed regularly This can be done with the help of e g automatic cleaning facilities The lifetime of the electrodes is normally more than 12 month and can be prolonged to more than 2 years by good maintenance However accurate values cannot be stated as they depend on the specific application Extreme pH val ues and high temperatures accelerate the aging process Measuring and storing The pH electrodes have been tested and have been subordinated strict quality controls in all manufacturing steps To keep the optimum efficiency and accuracy for a long time take care of the following points e Remove the storing protection cap and rinse the shaft and pH glass diaphragm with distilled water e Important The pH glass diaphragm has to
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