Universal R-320 Instrucciones de operaciones descargar pdf (Pagina 36)

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12 Aerosol tight sealing of angle rotors

To ensure aerosol sealing the lid of an aerosol sealed angular rotor must be firmly closed.

This is performed with the help of the supplied spanner that is inserted through the borehole

in the rotary handle. If the rotary handle does not have a borehole then the lid must be firmly

closed by turning in clockwise direction.

For available aerosol tight angle rotors, please see chapter "Anhang/Appendix, Rotoren und

Zubehör/Rotors and accessories".

13 Control and display elements

See figure on page 2.

Fig. 2, Fig. 3: Display and control panel

13.1 Control knob

For setting the individual parameters.

Turning anticlockwise reduces the value. Turning clockwise increases the value.

13.2 Control panel pushbuttons (keys)

SELECT

• Selection control key for selection of specific parameter.

The subsequent parameter is selected by every further keystroke.

START

IMPULS

• Start centrifugation run. The LED in the button lights up during the centrifugation run as long as the

rotor is turning.

• Short-term centrifugation.

The centrifugation run is effected as long as the button is held down. The LED in the button lights up

during the centrifugation run as long as the rotor is turning.

• Store inputs and changes.

STOP

OPEN

• End centrifugation run.

The rotor runs down with a pre-selected brake step. The right-hand LED in the button lights up until the

rotor is stationary. Once the rotor is stationary the left-hand LED flashes in the button. Pressing the

button twice triggers the EMERGENCY STOP.

• Unlock the lid.

The left-hand LED in the button goes out.

• Leave the parameter input.

RCF

• Switch between RPM and RCF display.

RCF values are displayed in > <.

• Start pre-cooling.

The pre-cooling speed is settable. It is pre-adjusted to 2800 RPM.

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Universal R-320 Instrucciones de operaciones Pagina 36