Operation
11
Operation
Rotation
Speed range and speed adjustment
The speed range varies from:
▪ 40 – 2,000 rpm’s for the Hei-TORQUE Value models
▪ 5 – 2,000 rpm’s for the Hei-TORQUE Precision models
(For more details see chapter „Technical data”.)
The overhead stirrer operates clockwise.
Speed adjustment
➜ Turn control knob clockwise.
✓ The speed increases.
✓ The speed setting is documented on
the display under „set rotation speed”.
➜ Turn control knob counter-clockwise.
✓ The speed decreases.
The knob is attached to the panel
magneti cally. The speed can be adjusted
without the knob by rotating your nger
on the touch screen.
As soon as the knob is removed a diagram
is displayed for 3 seconds showing how to
change parameters without the knob.
➜ Adjust the rotation speed by rotating
your nger clockwise to increase or
counter clockwise to decrease the
speed.