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The furnace consists of three layers of ceramic fibre material insulation, and between the two layers of the furnace set up bow-shaped furnace bracket to make the formation of air insulation layer, not only to reduce the heat loss, but also to avoid the surface temperature of the furnace shell is too high for the staff to cause injury. The furnace tube may bend or expand over time, especially if the furnace is forced vertically. The bottom end of the furnace tube must be fixed to the bottom of the furnace to prevent uneven heating of the tube. The crucible must be placed exactly in the middle of the temperature zone to ensure that the furnace sample is heated evenly.

HaTherm base on windows, which can collect data from viscometers and thermostats, store, view, print, and draw pictures and analysis. Shear rate constants (SRC) can be pre-programmed to calculate viscosity and shear rate based on torque readings. For each of 8-temperature range, the traget temoerature, rate of temperature rise and holding time are set. It can automatically calculate the time of temperature arrival, the data editing and control. Users can set automatic rotation. Special rotor (SMC) conversion constants are used to convert measured torque to viscosity, and shear rate constants (SRC) convert RPM to shear rate and calculate shear stress. the torque range like 10% to 90%, when the torque is less than 10%, it will automatically speed up, when the torque is greater than 90%, the device will slow down the speed.