IKA labworldsoft - Manual (Page 119)

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The RET control-visc is a magnetic stirrer with heating function and viscosity trend recognition. The
instrument is suitable for precise temperature control (0 to 300 °C) of substances in containers
placed on the hot plate. The integrated stirring drive enables simultaneous stirring of the
substances with a magnetic rod in the container (0 to 1,100 rpm). The mixing intensity is dependent
on the motor speed and the size of the magnetic rod.
In the parameter window of the IKA Labortechnik RET control-visc, the desired controlling variables
and the readable measured values can be activated. The corresponding input and output paths are
marked with number fields. In the basic setting the output path 1 is set for reading out the rated
temperature.
Control
1. Input path for rated temperature.
The rated temperature is based on the medium when the temperature measuring sensor
PT 100 is inserted. If no temperature sensor is inserted the rated temperature is based on
the hot plate.
2. Input path for rated speed.
3. Viscosity trend measurement on/off.
The viscosity trend display is reset.
4. Measured values
1. Rated temperature in °C.
2. Rated speed in rpm.
3. Real temperature of measuring sensor PT 100 in °C.
4. Real temperature of hot plate in °C.
5. Safety temperature in °C.
If the rated temperature specification is greater than the safety temperature, the rated
value is ignored.
6. Real speed in rpm.
7. Viscosity trend, relative in % (corresponds to the change in the motor power
consumption).
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Please see the separate operating instructions for a detailed description of the characteristics of
the magnetic stirrer.