Viscosity Spotlight - Analytical Instrumentation 17
“Fit and Forget” Process Density Sensors: L-Dens 427
It has never been easier to continuously obtain the true density of liquids with high accuracy. The L-Dens 427 combines high accuracy in a compact, modular and robust design. Available with several process adapters and electrical interfaces, it integrates easily into any measuring system or plant environment and meets the strict requirements of the oil and gas industry. The L-Dens 427 is not sensitive to the installation method and calibration is extremely easy and performed without stopping production. L-Dens 427 is used in refineries, ethanol production plants and in the storage, transport and delivery of petroleum products.
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ASTM D7777 Compliant: the DMA 35 Ex Petrol
Density Measurement Whatever the Viscosity
For density measurement of gaseous products, liquids with different viscosities and solids, Anton Paar’s DMA Generation M density meters rise to the challenge. From the market specialist in density measurement for over 45 years, these instruments measure the density of a wide range of petroleum products in numerous measurement situations. The DMA Generation M density meters measure at temperatures from 0°C to 95°C. When combined with a heated sample changer the system heats, fills and measures highly viscous samples fully automatically. Several options and sample changers ensure that the system exactly meets the needs of the individual lab.
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As a result of the new ASTM Standard "D7777-12", describing the "Standard Test Method for Density, Relative Density, or API Gravity of Liquid Petroleum by Portable Digital Density Meter" the portable density meter DMA 35 Ex Petrol from Anton Paar becomes an officially accepted field method. The lightweight instrument provides a much higher measuring comfort and robustness than a glass hydrometer and automatically converts the measured density results to the unit of your choice using the preinstalled API tables for product groups A, B and D (crude oils, fuels and lubricants). With its Ex marking (II 2 G Ex ib IIC T4) the DMA 35 Ex Petrol fully corresponds to the explicitly stated safety requirements to be considered in hazardous measuring environments.
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Jet Fuel: Low- Temperature Viscosity Testing for QC and Research
Solutions for:
For simultaneous viscosity and density measurements on aviation fuel at low temperatures like -20 °C, Anton Paar provides the SVM 3000 viscometer which easily fits on your laboratory bench. SVM 3000 only requires 2.5 mL of sample and also has low solvent and power consumption. It can be used for single samples or with a sample changer to analyse up to 96 samples automatically. This measurement of density and kinematic viscosity is suitable for all types of aviation fuel and gives results equivalent to ASTM D445.
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Density and Concentration Measurement Rheometry | Viscometry | Thermometry Refractometry | Surface Analysis | Polarimetry Nanostructure Analysis | Petroleum Testing Microwave Sample Preparation & Synthesis
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APRIL / MAY 2013 •
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