Viscosity
See Also: Viscometers
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Viscosity-Rotational
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The viscosity of a fluid is a measure of its resistance to gradual deformation by shear stress or tensile stress. For liquids, it corresponds to the informal notion of "thickness". A liquid whose viscosity is less than that of water is sometimes known as a mobile liquid, while a substance with a viscosity substantially greater than water is called a viscous liquid.
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Viscosity Standards
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Brookfield Viscosity Silicone and Oil Standards provide a convenient, reliable way to verify the calibration of your Brookfield laboratory viscometer/rheometer.
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Viscosity Analyser Range
Perten RVA
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The RVA models are cooking, stirring viscometers with variable shear capability and programmable temperature ranges from -10°C up to 140°C. Developed for testing a wide range of rheological properties in grain, flour, starch, hydrocolloids, gelling systems and foods. They can be used to characterise viscosity development or degradation and ingredient functionality within the finished product and to optimise formulation control.
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FORD/ASTM Viscosity Dip Cups - Frikmar
2435
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Thanks to its handle, the Elcometer Frikmar Viscosity Dip Cup is very easy to use to perform viscosity checks on site or during the manufacturing process.
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Viscosity & Flow Measurement
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Viscosity is perceived as ‘thickness’ or resistance to pouring, but there is more to viscosity than this. All fluids have an internal friction between molecules, which determines how well fluid flows. Due to this internal friction, energy is required to move the liquid and viscosity is the measure of the resistance to flow. Elcometer manufactures and supplies a wide range of viscosity gauges from flow cups to dip cups to rotational viscometers.
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Zahn Viscosity Dip Cups
2210
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The Elcometer 2210 Zahn Dip Cup is a small U-shaped viscosity cup suspended from a looped wire.
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Kinematic Viscosity Tester
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Weshine Electric Manufacturing Co., Ltd
Portable Automatic Astm D445 Digital Kinematic Viscosity Tester Kinematic Viscosity Meter For Insulation Oil
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ISO Viscosity Flow Cups
2353
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The Elcometer 2353 ISO Viscosity Flow Cups are very easy to use instruments made of anodized aluminium with a stainless steel orifice, for measuring the consistency of paints, varnishes and similar products.
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FORD/ASTM Viscosity Cups
2351
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The Elcometer 2351 FORD/ASTM Viscosity Flow Cups are very easy to use instruments made of anodized aluminium with a stainless steel orifice, for measuring the consistency of paints, varnishes and similar products.
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Viscosity Systems
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Viscometer utilizes a unique vibratory principle to provide continuous measurement at on-line process conditions. This eliminates the need for sampling and provides exceptional accuracy.
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Positive Displacement Meter
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The Blancett positive displacement flow meter provides high measurement accuracy for fluids over a wide viscosity range. Applications include lubricants, fuels, chemicals and solvents, oils and greases. With only 2 moving parts, the positive displacement meter offers trouble free operation and long service life. The meter is bi-directional and it has an extremely large turndown ratio, up to 400:1 in some models - with full accuracy at extremely low flow rates.
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Automatic Tag Closed Flash Point Tester
LD-LACF-A10
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Automatic Tag Closed Flash Point TesterLD-LACF-A10is a highly automated machine with -50°C lowest flash point and simple operations. Used to determine flash point of liquids with viscosity below 5.5 cSt (mm2/s) at 40°C (104°F) or below 9.5 cSt (mm2/s) at 25°C (77°F) and flash point below 93°C (200°F) . Test method is complied with ASTM D56 international standard.
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AFNOR Viscosity Cups
2352
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The Elcometer 2352 AFNOR Viscosity Flow Cups are very easy to use instruments made of anodized aluminium with a stainless steel orifice, for measuring the consistency of paints, varnishes and similar products.
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Textile Tester
USTER TESTER 6-C800
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The USTER TESTER 6-C800 is ready for the most demanding technical textiles applications. The amazing diversity of technical textiles applications is matched by the wide variety of quality characteristics needed in the raw material used so filament yarn producers know they must work to the most stringent specifications and standards. Quality failings, especially in the critical parameter of yarn evenness, can be expensive, but the USTER TESTER 6-C800 provides fast, accurate testing to the tightest tolerances, protecting filament producers against customer complaints and claims. Raw materials for technical textiles cover a wide range of end-uses and performance requirements. Viscose fibers, for instance, are found in lightweight blouses as well as in wire cording and high-speed car tires. Polyester, common in low-price clothing, is also transformed in special high-tech versions, for sophisticated sportswear and outdoor clothing. Countless other examples of technical applications for filament yarns span sectors such as medical, industrial, transport, engineering and protective clothing. Despite this variety of products, there is one fundamental requirement which is common to all: the absolute need for yarn evenness, measured to close tolerances, to ensure that the functional and aesthetic properties of the finished article achieve the high quality standards that customers demand.
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Viscometers
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GAOTek proudly presents a wide range of viscometers. A viscometer is used to measure the viscosity of a fluid or liquid under a certain flow conditions. Thus, viscometers only measure under one flow condition. Different types of viscometers have either the fluid stationary which allow object to pass through or vice versa. Therefore, these devices measure the drag caused by the interaction between the fluid and object surface.
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Physical Test Equipment
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When assessing a coating for suitability for a particular application the testing of the physical properties such as bendability, impact resistance, hardness, washability and abrasion resistance are all required to provide information for decision making. Testing of the pigments using fineness of grind gauges, determining the specific gravity of the coating using density cups, measuring the viscosity using viscosity cups or rotational viscometers and assessing the drying time all provide information for the coating technical data sheets.
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Monitoring
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Parker offers a broad range of onsite and laboratory solutions for monitoring, evaluating, and testing a wide variety of substances, from water and hydraulic oil to fuel and various gases, for conditions ranging from insolubility and viscosity levels through flow rate, conductivity, and pressure. They are suitable for use in industrial, marine, and numerous other applications.
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Dynatrol® Digital Viscosity Converters
Series 3000
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Dynatrol® Series 3000 Digital Viscosity Converters were designed for use with all Dynatrol® Viscosity Systems. Using microcontroller technology, the digital converter accepts information from a Dynatrol® Viscosity Probe and calculates the viscosity of the liquid under test. The Series 3000 converter mathematically computes and displays the viscosity in standard units.
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Fluid Property Sensors
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TE Connectivity (TE) offers distinct fluid property sensor technologies to measure fluids. Our tuning fork technology is coupled with efficient software algorithms for accurate measurement of viscosity, density, and dielectric constant. Dedicated applications for our DEF sensors include oils quality sensors (engine, hydraulic, transmission), fluid monitoring, and others. Our urea quality SCR sensors, based on Ultrasonic Technology (UST), perform an analysis of the Diesel Exhaust Fluid (DEF) fluid to provide urea concentration and secure mis-filling protection to the Selective Catalytic Reduction systems. Our highly reliable reed switch technology is combined with temperature measurement for DEF level sensing.
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Capillary Rheometer Flowtester
CFT-EX Series
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This device evaluates viscosity properties from the relationship to temperature, pressure, and flow velocity, etc., for flowable materials. It demonstrates its power in research and development, production processes, and quality control for various flowable materials such as thermoplastic resins, thermosetting resins, toner, composite materials, ceramics and rubbers.
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Plastics Testing Equipment
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Dongguan Amade Instruments Technology Co., Ltd
Plastics testing equipment include a series of instruments intended to carry out testings of component analysis, formula analysis, performance determination, aging resistance test etc on various plastic materials and plastic products in accordance with ISO, ASTM, DIN, HB international standards. Mechanical & physical & chemical property testings include tensile strength, bending strength, friction coefficient, creep resistance property, tearing strength, shearing property, impact resistance property, compression performance, hardness, resilience property, fatigue strength, melt index, heat deflection temperature, melt viscosity, density, flammability characteristics, resistance to aging under UV, xenon, ozone, high/low temperature etc.
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TDR Composite Cure Monitoring
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Material Sensing & Instrumentation
MSI Time-Domain-Reflectometry (TDR) Composite Cure Monitoring [1-4] provides a new approach to cure monitoring of advanced polymer composites. Using a high-speed pulse and inexpensive microwave sensor, our TDR system follows rotation of a polar resin molecule, providing real-time information on viscosity and percent cure. Operating in the microwave frequency range, TDR Cure Monitoring provides an alternative between high-frequency fiber-optic methods and low-frequency dielectric methods, combining optical-style precision and miniaturization with electrode-based simplicity and robustness.
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Engler Viscometers
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Labodam Engler Viscometers are designed according to the ASTM D1665 Test Methods for Engler Viscosity of Petroleum Products standard. It is devised with digital temperature controller and its chambers are made with stainless steel to avoid corrosion.
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Automatic Continuous Online Monitoring of Polymerization Reactions
ACOMP
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ACOMP is a smart manufacturing system that continuously analyzes polymers during production. This automated monitoring solution produces realtime insight about reaction kinetics and polymer properties such as residual monomer, monomer conversion, polymer composition, molecular weight and intrinsic viscosity. ACOMP enables optimized process control, resulting in increased polymer yield, quality and consistency, increased worker safety, reduced cycle time, reduced VOCs, and reduced energy and raw material usage.
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Viscometers
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A viscometer, viscosity meter or rheometer is a measuring instrument used to determine a fluid's internal flow resistance or viscosity. The term viscosity typically refers to shear viscosity, i.e., how a material reacts to being sheared. Rotational viscometers with rotating spindles or rotors, also known as "cup and bob" or Searle viscometers, are the most common tools used to measure the shear viscosity of fluids. However, a fluid's viscosity also may be measured on the basis of stretching. The technical term to refer to this is extensional viscosity.A viscometer is frequently used in laboratories, but it also has practical applications in factories and other industrial environments. A viscometer can be an important component in process and quality control. Companies can save money by placing a viscometer in a production line and making fluid viscosity measurements in real time.PCE Instruments offers a variety of handheld, portable, benchtop and in-process, real-time viscometer products that measure the absolute / dynamic (shear) and kinematic viscosity of fluids. Handheld or portable viscosity meter devices allow users to take simple, single-point measurements in the field and in the lab. Benchtop or stationary viscometer devices are complex rheological measuring systems that allow for a more detailed examination of liquid samples.
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High Performance UV Nanoimprint Resist
AMONIL®
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UV Nanoimprint is a mechanical molding technique. A template made from quartz or a flexible elastomer with a 3D relief is brought into intimate contact with a UV-curable resist spin-coated on top of a substrate. Applying low imprint pressure at room temperature features are filled within seconds due to the low viscosity of the imprint resist. The resist is hardened via UV-light through the backside of the template. Finally substrate and template are separated. The replicated resist relief can further be transferred into the substrate via RIE-process or used as functional element.
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AFNOR Viscosity Dip Cups - Frikmar
2436
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Thanks to its handle, the Elcometer Frikmar Viscosity Dip Cup is very easy to use to perform viscosity checks on site or during the manufacturing process.
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Vortex Flow Meters
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Omega's Vortex Flowmeters measure stem, gas, and low viscosity liquids. The meters offer self diagnostics, low flow stability, high accuracy, no moving parts, and displays flow rate and total flow
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Liquid Thermal Conductivity Instruments
THW-L1
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The Transient Hot Wire (THW-L1) Liquid Thermal Conductivity Meter is an advanced measurement system for direct determination of the thermal conductivity, thermal diffusivity, and specific heat instrument for measurement of liquids and pastes in accordance with ASTM D7896-19. The THW-L1 was designed with speed and operational simplicity in mind. With a single measurement of 1 second in duration, small volumes of liquids and pastes can be accurately and precisely measured for thermal conductivity, thermal diffusivity, and specific heat. The THW-L1 utilizes a non-stationary measurement approach and rapid test times to limit convective effects for samples with a wide range of viscosities. The THW sensor consists of a thin heating wire 40 mm in length and is completely inserted into the sample to be tested.
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Quartz Crystal Microbalance
QCM200
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Stanford Research Systems, Inc.
The QCM200 Quartz Crystal Microbalance measures mass and viscosity in processes occurring at or near surfaces, or within thin films. This system includes a controller, crystal oscillator electronics, crystal holder, three quartz crystals, and Windows / Mac software.
