Standaarden voor viscometrie
Klaar-voor-gebruik viscometristandaarden controleren of laboratoriumreometers, viscometers en andere meetapparatuur altijd betrouwbaar gekalibreerd zijn. Door gebruik te maken van media met bekende viscositeitsniveaus kunnen tijdens onderhoudsinspecties nauwkeurige vergelijkingen worden gemaakt om te garanderen dat de prestaties van het apparaat consistent blijven. Oplossingen op oliebasis bieden de hoogste gevoeligheid en zijn meestal ontworpen voor specifieke apparatuurontwerpen. Voor algemeen gebruik zijn viscometristandaarden met siliconenvloeistof populair vanwege hun uitstekende temperatuurbestendigheid wanneer temperatuurregeling beperkt is.
VWR®, Pure Water viscosity standard
Supplier: VWR Chemicals
Pure Water viscosity standard have certified data for kinematic viscosity, dynamic viscosity and density at 5, 20, 25 and 37 °C.
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VWR®, Small sample viscosity standards
Supplier: VWR Chemicals
These standards are certified in strict accordance with ASTM D2162 at 40 and 100 °C under ISO 17025 and ISO 17034 accreditation, and have been manufactured specifically for the users of ASTM D7279, Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids by Automated Houillon Viscometer and other similar type test equipment.
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VWR®, Cone and Plate viscosity standards
Supplier: VWR Chemicals
High quality Cone and Plate viscosity standards are ideal for the paints and coatings industry.
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VWR®, High temperature viscosity standards
Supplier: VWR Chemicals
High Temperature viscosity standards are ideal for the calibration and verification of glass capillary viscometers and other viscosity measuring equipment where operating temperature is controlled precisely.
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Viscosity standard, Specpure®, nominally 50cSt @ 40° and 7.3cSt @ 100°
Supplier: Thermo Fisher Scientific
Viscosity standard, Nominally 50cSt at 40 and 7.3cSt at 100°, Specpure™, Viscometry Standards
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VWR®, General purpose viscosity standards
Supplier: VWR Chemicals
These ISO 17025 and ISO 17034 certified general purpose viscosity standards provide certified kinematic viscosity, dynamic viscosity and density data across temperature ranges from 20 to 100 °C.
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VWR®, Viscosity check oils
Supplier: VWR Chemicals
The viscosity values for certified viscosity check oils have been tested and certified at typical blend targets. These check oils are for validating the performance of cold cranking simulator and kinematic viscometers by measuring commercially available formulated engine oils.
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VWR®, Mineral Oil Rotational viscosity standards
Supplier: VWR Chemicals
Mineral Oil Rotational viscosity standards are specifically formulated for use with rotational viscometers and are dual-certified to ISO 17025 and ISO 17034 under UKAS.
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VWR®, Low Temperature viscosity standards
Supplier: VWR Chemicals
Low Temperature viscosity standards have certified data for kinematic viscosity, dynamic viscosity and density for various low temperatures.
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Viscosity standard, Specpure®, Nominal Values at 40 and 100 °C
Supplier: Thermo Fisher Scientific
Viscometry Standards, Viscositeit bij 40 °C: 30±1 cSt, Viscositeit bij 50 °C: 5,3 cSt
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VWR®, Viscosity standards
Supplier: VWR Chemicals
These standards can be used for calibration, control, verification, qualification or method validation of kinematic and dynamic viscosity measurement instruments (both manual and automatic). Each standard is certified for kinematic viscosity (mm²/s, cSt), dynamic viscosity (cP) and density (g/ml) at a range of temperatures.
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VWR®, Cold Cranking Simulator (CCS) viscosity standards
Supplier: VWR Chemicals
High quality CCS viscosity standards are ideal for the calibration and verification of analytical equipment used in Cold Cranking Simulator (CCS) testing.
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VWR®, Medical Grade viscosity standards
Supplier: VWR Chemicals
Medical Grade viscosity standards provide certified dynamic viscosity data at 25 and 37 °C, are dual-certified to ISO 17025 and ISO 17034 under UKAS and are ideal for the calibration and verification of viscosity measuring equipment.
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VWR®, Paints and coatings viscosity standards
Supplier: VWR Chemicals
Paints and coatings viscosity standards provide certified kinematic viscosity, dynamic viscosity, density and (where applicable) Krebs data across temperature ranges at 20, 23 and 25 °C, also includes the calculated flow time of the oil in 0,5 °C intervals. Ideal for those in the paint and coatings industry.
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VWR®, Silicone Rotational viscosity standards
Supplier: VWR Chemicals
Silicone Rotational viscosity standards are specifically formulated for use with equipment with minimal temperature control. Supplied in 600 ml 'ready to use' packs specially designed to eliminate cleaning of laboratory glassware, which is inherently difficult due to the nature of silicone.
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VWR®, Flow Cup viscosity standards
Supplier: VWR Chemicals
Flow Cup viscosity standards are specifically formulated for use with viscosity flow cups such as Ford, Shell and Zahn.
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