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hts-VROC® provides the same features and specifications as m-VROC® with the added capability to measure at temperatures as high as 105 °C.
| Minimum Sample Volume | 50 μL |
| Shear Rate Range | 0.5 – 1,400,000 s-1 |
| Viscosity Range | 0.2 – 100,000 mPa-s (cP) |
| Temperature Range | 4 - 105 °C |
| Temperature Stability | ~+/- 0.07 °C |
| Repeatability | Up To 0.5% of Reading |
| Accuracy | ~+/- 0.5% Reading |
| Shear Sweeps | Yes |
| Temperature Sweeps | Yes |
| Typical Test Time | <1 min |
Because viscosity is heavily dependent on temperature, all RheoSense viscometers come with the option of adding temperature control. Different applications may require high temperature viscosity analysis for instance, the oil/lubricant industry. When working with lubricants, specific shear rates and temperature ranges have to be tested to mimic the conditions in which the lubricants will actually perform in such as in the bearings of internal combustion engines.
To meet this requirement, RheoSense introduced the hts-VROC® model. This system provides the same features and specifications as m-VROC®, but hts-VROC® provides the added capability to measure at temperatures as high as 105 °C.
| Chip Types | Flow Channel Depth (microns) | Max. Pressure (Pa-s) | Max. Shear Rate (1/s) | Application |
| A | 50 100 200 300 |
10k Pa Full Scale |
56,000 |
Small Sample |
| B | 50 100 200 300 |
40k Pa Full Scale | 100,000 | Small Sample Medium Viscosity |
| C | 50 100 200 300 |
200k Pa Full Scale | 200,000 | Small Sample High Viscosity |
| E | 50 100 200 |
1.8M Pa Full Scale | 1,400,000 | High Shear |
Operate Your hts-VROC® In Three Steps:
hts-VROC provides extensional viscosity data by monitoring the sample flow through a microfluidic
channel. The system measures the change in pressure using the MEMS pressure sensors, and it registers changes in the flow.
Applications include:
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Copyright © 2023 RheoSense, Inc.. All rights reserved. Terms and Conditions & Online Privacy