Process Electrodes
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Process Electrodes - 1

SCHOTT Instruments GmbH A Nova Analytics Company I ANALYTICS

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Content Welcome to Schott pH measurement in the process application examples Electrodes for process chemistry metal combination electrodes single electrodes pH glass, pNa, metal and reference elec., electrolyte bridges resistance thermometers grounding rod conductivity cells AquaLine electrodes in water economy SteamLine electrodes in biotechnology MultiSens electrodes Oxygen electrodes connection cables other accessories buffer, electrolyte and further solutions

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SCHOTT Instruments welcomes you! Precise measuring during the process Great variety of sensors with sensors from Schott. The electrochemical sensors from Schott cover The HD electrodes of Schott ensure an examined Schott is the leading manufacturer of special glass all applications for measurements in aqueous solu- and certified pressure and temperature resistance in Europe and is a leader worldwide. We offer tailor tions. They enable the determination of pH value, up to 10 bar and 135 °C. Thus they meet the made customer solutions for sophisticated glass redox potential, silver and...

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with unequivocal contact identification for sensors Schott electrodes are manufactured with different that supply more than only the pH value. The pH glasses. These are optimized for their various robust SMEK plug system meets the requirements applications and offer a high measuring precision of the chemical industry and has been proven many times under practical conditions. Reference system Mounting possibilities The Ag/AgCl system is suitable for all pH applicati- The electrodes and sensors of Schott are offered in ons up to temperature ranges of 135 °C. Silamid®, various designs that...

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Instructions on measuring pH during a process Process electrodes are, in general, used in fixed Selection criteria for electrodes installed measuring points for continuous measur- The selection of a suitable pH electrode results Select the pH glass that offers the optimum ing. The permanent availability of reliable and pre- from the character of the process conditions. cisely measured values along with minimal main- Select a suitable electrode from the following tenance expenditures are substantial requirements tables on the basis of the required pH and temper- regarding these measuring...

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Application examples The following electrode recommendations are Recommended electrode (Page of Catalogue in brackets) only mentioned as examples. Depending on AquaLine electrode series (p. 34) measuring point and measuring conditions, it is General, aqueous quite possible that other electrodes may also be suitable. We would be pleased to discuss these Extreme conditions Media containing hydrofluoric acid Boiler feeding water, condensate Paper industry Sterilizable electrodes Media that are partly aqueous Drinking water, industrial water L 9080 (p. 10) AquaLine electrode series (p. 34)...

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pH combination electrodes with liquid electrolyte and screw plug head membrane glass ceramic platinum design corresponding illustration These types are supplied in series with Works Certificate 2.1 according to DIN EN 10204 regarding resistance to pressure and temperature. certified press. and temp. consistency 1)

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pH combination electrodes with liquid electrolyte and screw plug head For high sophisticated pH measurements in chemical processes. 3 mol/l KCI (Type L 300), refillable except L 6191: low temperature electrolyte Zero point: Shaft diameter: screw plug head coaxial The use of these electrodes is chiefly intended in combination with the miniature pressure probe assembly 9921 /51 HD and suitable pressure hose type 9961 /09. This assembly reduces the stated installation length by 50 mm. The side support with screw fitting serves for application of counter HD version: HD sealing type 9980/51...

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pH combination electrodes with liquid electrolyte and hose olive diaphragm ceramic (triple) ground joint design corresponding illustration A B A A B A A

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pH combination electrodes with liquid electrolyte and hose olive ◗ pressure screw type 9980/55 with thread Pg 13.5 For high sophisticated pH measurements in chemical processes. Connecting cable: ◗ e.g. type 9902/05 (length 5 m with free end) ◗ 3 mol/l KCl (type L 300), refillable – except For additional connecting cables, see under Zero point: ◗ at temperatures above 100 °C sufficient overpres- sure must counteract the boiling of the reference Shaft diameter: The use of these electrodes is effected usually with ◗ plug head coaxial electrolyte reservoir (e.g. type 9955/00). This vessel is...

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pH combination electrodes with liquid electrolyte diaphragm ceramic ground joint design corresponding illustration A B A A B A pH combination electrodes with liquid For high sophisticated pH measurements in chemical processes. Specially for installation in immersion probe assembly. 3 mol/l KCI (type L 300), refillable Zero point: Shaft diameter: refilling opening, double, at the side shaft constriction and fixed cable 5 m at temperatures above 100 °C sufficient overpres- sure must counteract the boiling of the reference

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Low maintenance pH combination electrodes electrolyte gel Referid" Referid" Referid" Referid" Referid" diaphragm ceramic certified pressure and temperature consistency " design corresponding illustration A B B B B B These types are supplied in series with Works Certificate 2.1 according to DIN EN 10204 regarding resistance to pressure and temperature. For uncomplicated pH measurement in the water industry and for process chemistry. gel with visible KCI reserves, not refillable Referid" (polymer with visible KCI reserves), Zero point: Shaft diameter: screw plug head coaxial with thread Pg...

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sensor sulphidized sensor form Metal combination electrodes disk ring temperature range [°C] liquid, refillable gel, low-maintenance Referid®, low-maintenance ceramic KPG® annular gap certified pressure and temperature consistency design corresponding illustration Application recommendations water management process chemistry photo redox potential measurement silver/halid ions concentration determination of cyanide/rhodanide 1) These types are supplied in series with Works Certificate 2.1 according to DIN EN 10204 regarding resistance to pressure and temperature.

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