Heidolph 506-21100-00, Operating Instructions Manual

Page: 50 / 65

51
Operation
Setting the rotation speed
WARNING
Risk of injury, risk of damage to property caused by splash-
ing fluids
When using open vessels, there is a risk that fluid will spray out.
➜ Whenever possible, use closed vessels for processing corrosive,
toxic or biohazardous substances and seal them safely.
➜ Especially using open vessels, increase the rotation speed only
gradually and observe the fluid movements.
➜ Always use the necessary personal protective equipment
(heat-resistant gloves, eye protection, safety clothing) to
process samples from a temperature of 50 °C.
➜ Turn on the device as described in section „Switching the device on/off“, page 45
– The display shows
rpm 0
.
➜ Turn the
[rotation]
control clockwise or counter-clockwise to set the desired
nominal speed (setting range: 100 – 1,400 rpm).
➜ Press the
[rotation]
control activate the mixing function.
– When the mixing function is activated, the LED ring of the
[rotation]
control
lights up White.
– The displayed rotation speed value continuously updates until the setpoint is
reached.
➜ The setpoint can be adjusted at any time:
– Use the
[rotation]
control to adjust the setpoint as required.
– The rotation speed is adjusted without any delay (observe the display!).
➜ Press the
[rotation]
control again to turn off the mixing function.
Operation with external temperature sensor
Devices of the type Hei-PLATE Mix'n'Heat Core
+
can be oper-
ated with an external temperature controller (PT1000) (optional
accessory).
For detailed instructions on how to set up and connect a tempera-
ture controller, refer to the associated operating instructions.
The port for the external temperature sensor is located under the
protective cover on the back of the device.
When using an external temperature sensor, the current temperature is not measured
on the heating plate, but on the connected sensor. The temperature indicator on the
display is marked with the
[ext]
symbol.