We are proud to present The Rheotek AKV- diesel which provides a reliable and precise method for measuring gas oils, distillate fuels and diesels at 40ºC.
Automatic flow time measurements are determined in high precision ASTM Ubbelohde viscometer tubes. Reported kinematic viscosity results are in full compliance with ASTM D455, IP 71 & ISO 3104.
Full Compliance With Methodology
Diesel fuels are required to be certified to international standards. These specifications require kinematic viscosity to be measured in accordance with ASTM D445, IP71, or ISO 3104. The Rheotek AKV-diesel strictly adheres to these methods, complying in every respect.Compliance to ASTM D 445 is achieved by using a glass capillary viscometer tube (ASTM Ubbelohde design), in an automated assembly with each step of the method preprogrammed.This removes the possibility of deviating from the method, as well as ensuring the most precise results.
The powerful AKV-diesel software package records all flow time measurements and states the precision obtained for each result. Full traceability of measurements is provided.
Princple of Operation
The Rheotek AKV-diesel uses ASTM Ubbelohde viscometer tubes to make precise flow time measurements. Each tube is independently calibrated with a certified constant, using calibration data produced by the PSL ISO 17025 accredited laboratory. Samples are loaded into the viscometer, via the unique Rheotek filling station. An internal pump pushes the sample up into the capillary tube to position it formeasurement.
The sample is released and the flow time is automatically measured by the NiR optical detectors. On completion of the first run, the sample is once again pushed up into the capillary tube, and a second consecutive flow time is measured. The AKV-diesel software will then calculate the kinematic viscosity result.
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Safe Vacuum (In-Situ) Cleaning & Drying
On completion of the measurement process, the AKV-diesel will automatically use a "safe vac" system to clean and dry the Ubbelohde viscometer tube using suitable solvents. The waste sample and solvent is taken to a waste container, and the system is air dried, leaving it ready for the next sample.
Options
Several options are available for the AKV-diesel, including the Rheotek Smart Sampler. This comprises of a XYZ auto sampler with disposable vials. Up to 52 sample positions.
Data Sheet
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