Operation
27
Switching rotation on/o
Warning:
Risk of injury!
Shattering stirring vessels may lead to serious injuries due to ying
parts and escaping uids.
▪ Always wear protective clothing in the vicinity of the stirrer when it
is running.
▪ Never operate the stirrer with an imbalanced impeller.
▪ Never operate the stirrer with an imbalanced chuck.
▪ The impeller must be able to move freely, without touching the
vessel. Choose the inner diameter accordingly.
Warning:
Risk of injury! Risk of entanglement!
Rotating items can injure your hands or other parts of the body by
drawing in long hair, loose clothing or jewelry.
▪ Never touch any rotating parts.
▪ Do not wear loose clothing, belts or ties, which may be drawn in by
rotating parts.
▪ Do not wear long necklaces or bracelets.
▪ Cover or tie back long hair when operating the stirrer.
Warning:
Risk of poisoning!
It may be necessary to operate the stirrer behind a closed and
ventilated fume hood.
Warning:
Risk of poisoning! Risk of injury!
Depending on the chemicals in use, stirring may result in a chemical
reaction which causes dangerous gases to be released.
It may be necessary to operate the stirrer behind a closed and
ventilated fume hood.
Warning:
Risk of injury!
Switching stirring on at high speed may cause splashing. Depending on
the chemicals in use, this may cause injury.
Select a low speed at rst and increase it gradually, if necessary.
Hei-TORQUE Precision only
Initially, select “Slow” under “Soft start”. Only select “Medium”
or “Fast” after testing your application (see chapter “Start-Up,
Hei-TORQUE Precision: Additional functions”, “Safety settings”).