DVNext Cone/Plate
DVNext 锥板流变仪,现在具有磁性锥板选项。DVNext Wells-Brookfield锥板流变仪为研究人员提供了一种精密的仪器,用于常规测定小量样品中流体的绝对粘度
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DVNext 锥板流变仪,现在具有磁性锥板选项
DVNext Wells-Brookfield锥板流变仪为研究人员提供了一种精密的仪器,用于常规测定小量样品中流体的绝对粘度。它的锥形和板式几何形状为开发完整的流变数据提供了必要可靠的精度。
测定小量样品的绝对粘度(0.5 - 2.0 mL)
精确的剪切速率,以确定材料的流动曲线行为
由于样本量小,可快速控温
磁耦合附件,简化转子的连接和拆卸
电子间隙调整,简化了设置,并提高测试效率
可在DVNext流变仪上使用触摸屏显示
自动调零功能确保扭矩测量精度
自动量程功能,可界定所有转子/转速组合的全量程(FSR)
扭矩测量精度:全量程的±1%
17025校准(可选)
DVNext Wells-Brookfield锥板流变仪是一个精密的扭矩计,以离散的转速驱动。扭矩测量系统由一个校准过的铍铜弹簧组成,弹簧将驱动机构连接到一个旋转的锥转子上,感应锥转子和固定平板之间存在的样品流体引起的旋转阻力.
锥转子的旋转阻力产生的扭矩与流体中的剪切应力成正比。该读数可从预先计算的量程图转换为绝对厘泊单位(mPa·s)。另外,粘度可以从已知的圆锥几何常数、旋转速率和应力相关的扭矩中计算出来。
正确的锥转子和平板的相对位置可通过一个简单的机械程序获得,不需要外部仪表或辅助设备。
固定平板构成可拆卸的样品杯底部,注入0.5 ml至2.0 ml的样品液(视所使用的锥转子而定),重新装入时不会影响校准。样品杯有夹层,并且有连接到恒温循环槽的管配件。
| 型号 | DVNext Cone/Plate |
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| 扭矩测量精度 | 全量程的±1% |
| ine Absolute Viscosity of Small Samples | Accurately measure the viscosity of samples as small as 0.5–2.0 mL, making this ideal for limited or precious materials. |
| Precise Shear Rates | Obtain detailed flow curve behavior of materials with precise shear rates, allowing for comprehensive analysis of fluid dynamics. |
| Rapid Temperature Control | Benefit from quick temperature adjustments due to the small sample size, enhancing efficiency and reducing wait times during testing. |
| Magnetic Coupling Attachment | Simplify spindle attachment and removal with a magnetic coupling system, streamlining setup and minimizing handling errors. |
| Electronic Gap Adjustment | Experience easier setup and increased throughput with electronic gap adjustment, reducing manual intervention and enhancing repeatability. |
| uch Screen Display on DVNext Rheometers | Enjoy an intuitive user interface with a 7” touch screen display, offering direct access to all features and enhancing user experience. |
| Auto-Zero Function | Ensure precision torque measurement with the auto-zero function, which automatically calibrates the instrument for optimal accuracy. |
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| High Torque Measurement Accuracy | Achieve reliable results with a torque measurement accuracy of 1% of the full-scale range, ensuring consistent performance. |
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| Exceptional Repeatability | Benefit from a repeatability of 0.2% of the full-scale range, providing consistent and reliable data across multiple tests. |
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| Digital Leveling | Ensures consistent setup and accurate measurements. |
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| 21 CFR Part 11 Compliance | Optional compliance for regulated industries, with features like electronic signatures, audit trails, and secure data management. |
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| LIMS Connectivity | Optional Ethernet and LIMS connectivity for seamless integration with laboratory management systems. |
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| With Cone Spindle CPA-40Z or CPM 40-Z | 0.1 - 3K cP (mPa·s) |
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| With Cone Spindle CPA-41Z or CPM 41-Z | 0.5 - 11K cP (mPa·s) |
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| With Cone Spindle CPA-42Z or CPM 42-Z | 0.2 - 6K cP (mPa·s) |
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| With Cone Spindle CPA-51Z or CPM 51-Z | 2 - 48K cP (mPa·s) |
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| With Cone Spindle CPA-52Z or CPM 52-Z | 3 - 92K cP (mPa·s) |
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| Sample Volume | 0.5mL to 2.0mL (Depending on the spindle used) |
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| Shear Rate | 2.0N to 7.5N sec⁻¹ (Depending on the spindle used) |
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