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ROTO SILENTA 630 RS - Hettich Instruments

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EN<br />

13 Entering centrifugation parameters<br />

It is only possible to enter a parameter when the input field is displayed inversely (dark background). An<br />

inverse input field will go off automatically after 10 seconds.<br />

13.1 Running time<br />

13.1.1 Time selection<br />

• Press the t key repeatedly until the parameter t/min: or t/ :sec is displayed. The input field will be displayed<br />

inversely.<br />

• Set the desired value by means of the control knob .<br />

13.1.2 Continuous running<br />

• Select the parameters t/min: and t/ :sec one after the other (see Chapter "Time selection"), and set both to zero<br />

using the control knob . "---:--" will be displayed in the input field.<br />

13.2 Speed (RPM)<br />

• Press the n key repeatedly until the parameter RPM is displayed and the input field is shown inversely.<br />

• Set the desired value by means of the control knob .<br />

13.3 Relative centrifugal force (RCF/RZB)<br />

• Press the RCF key repeatedly until the parameter RCF/RZB is displayed and the input field is shown inversely.<br />

• Set the desired value by means of the control knob .<br />

The centrifuging radius indicator will flash while the adjustment is being made.<br />

13.4 Run-up and run-down parameters<br />

The run-up and run-down parameters that have been set are displayed.<br />

x<br />

PROFIL<br />

y<br />

x: 1-9 = run-up step, t = run-up time<br />

y: R1-R9, B1-B9 = braking step, R0 = unbraked run-down, t = run-down time, n (•) = brake deenergisation<br />

speed<br />

13.4.1 Run-up step<br />

• Press the key repeatedly until the parameter 1-9 or t is displayed. The input field will be displayed<br />

inversely.<br />

• Set the desired step by means of the control knob .<br />

13.4.2 Run-up time<br />

min:sec<br />

• Press the key repeatedly until the parameter t is displayed. The input field will be displayed inversely.<br />

• Set the desired value by means of the control knob .<br />

If a run-up time is set that is longer than the running time, the centrifugation run will end before the set speed is<br />

reached.<br />

13.4.3 Braking step<br />

• Press the key repeatedly until the parameter 0-9 or<br />

t<br />

is displayed. The input field will be displayed<br />

inversely.<br />

• Set the desired step by means of the control knob .<br />

B-braking steps can only be set for special rotors.<br />

13.4.4 Run-down time<br />

If a brake de-energisation speed has been set, it is not possible to set a run-down time.<br />

• Press the key repeatedly until the parameter<br />

t min:sec is displayed. The input field will be displayed inversely.<br />

• Set the desired value by means of the control knob .<br />

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