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PP conductivity measuring cell with flow-through measuring vessel by Metrohm AG
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Searched and found12 mm x 125 5 mm plug 712 conductometer air flow sensor air temperature sensor ch 250 chemical resist chemical resistance co2 monitor co2 sensors conductivity flow through meters conductometer conductometer by metrohm ag flow h2o h2o products h2o water inlet rubber ion meters iso material measuring measuring instruments ph ion ph ion meters ph meter ph meter electrode platinum electrode platinum measurement electrodes platinum sensor pp pp 3 pps reference electrodes shaft material shafts material specifications of heads temperature sensor tube 12 mm tube iso tubing connectors water conductivity water flow meters water inlet tube water temperature sensor
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pp conductivity measuring cell with flowthrough measuring vessel the new 6.0912.110 measuring cell with platinized platinum electrodes for conductometry is equipped with a polypropylene shaft and an integrated pt 1000 temperature sensor the cell constant has a value of 0.8 cm1 a broad measuring range from 0.05 µs/cm to approx 100 ms/cm is covered the application areas of the new pp conductivity cell comprise water monitoring field measurements as well as quality assurance it is highly suitable for checking the specific conductivity of ion-deficient water samples in the pharmaceutical industry to name but one example polypropylene shaft the chemically resistant polypropylene is not only an advantage in measurements in corrosive media but also in ion-deficient water samples the contamination of small measurement samples by hydrolysis products glass is reduced resulting in faster and more stable recording of the measured values integrated temperature sensor the temperature plays a decisi
| depending on the tolerable measurement error an open vessel suffices if necessary under an argon atmosphere or the measurement must be performed in the flow-through mode for instance in precision measurements error <1 below 100 µs/cm figure 5 shows the conductivity values of one and the same solution measured in an open vessel and in the flowthrough vessel use of the flow-through measuring vessel completely eliminates the co2 influence on the conductivity measurement thus allowing measurements well below 1 µs/cm thanks to the chemical resistance of the materials used glass and teflon the flow-through measuring vessel is also suitable for the investigation of corrosive media the measuring vessel can accommodate sensors with a diameter of 12 mm fig 3 measured specific conductivity of pure h2o as a function of the saturation with co2 of the ambient air specified in atmospheric co2 measuring instrument with a cell constant of approx 1 cm1 the measuring instrument must be able to re
| technical specifications of the pp conductivity measuring cell shaft length 125 mm shaft diameter 12 mm shaft material polypropylene minimum immersion depth 30 mm electrode head fixed cable 1 m with 4 x plug b cell constant 0.8 cm1 measuring range 0.05 µs/cm 100 ms/cm temperature range 0 80 °c temperature precision error <2 of the temperature difference between the sample solution and room temperature response time on temperature change t90 <25 s chemical resistance all media that do not react with silicone rubber sealing ring not suitable e.g for measurements in aromatics lower hydrocarbons chlorinated hydrocarbons chorine bromine and iodine solutions as well as highly concentrated acids and bases storage dist water technical specifications of the flow-through measuring vessel materials borosilicate glass 3.3 iso 3585 teflon silicone rubber coated with teflon connection inlet axial tubing connector outlet tubing connector on the side of the vessel outer diameter of connector 8 mm
| ordering information 6.0912.110 conductivity measuring cell with pp shaft integrated pt 1000 temperature sensor and fixed cable 1 m 4 x plug b 6.2301.060 kcl conductivity standard ckcl 0.1000 ± 0.0005 mol/l 250 ml for the determination of the cell constant of the conductivity measuring cell this standard solution has to be diluted 1 10 6.1420.100 flow-through measuring vessel suitable for sensors with 12 mm diameter 6.1801.110 pvc tubing inner diameter 5 mm outer diameter 8 mm length 5 m subject to modifications printed in switzerland by metrohm ltd ch-9101 herisau 8.030.6003 2004-11
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