eight-channel automatic recording viscometer

例句：

1. 1. This instrument is used to measure the viscosity of fluids.
   这个仪器用于测量流体的粘度。
2. 2.The manufacturer claims that their product has an accuracy of up to eight channels.
   制造商声称他们的产品精度高达八通道。
3. 3. In this study, we used a ten-channel automatic recording viscometer to test the effects of different temperatures on the viscosity of water.
   在这项研究中，我们使用了一个十通道自动记录粘度计来测试不同温度对水粘度的影响。