Working - Velp Scientifica OHS 200 ADVANCE Manual De Instrucciones

4. Working

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Commissioning
Figure 4.
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Stirring
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Timer
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Gear (only for
OHS 200)
Figure 6.
Torque
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Lock
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Switch on the instrument using the main switch (E)
Display (A) shows Welcome page and the main screen
Main OHS 60 Advance
Adjust speed set point by turning the speed control knob (C). As soon as the knob is moved, set rpm (6)
becomes blue.
Click the speed control knob (C) to start stirring.
Speed increases until set point is achieved.
A microprocessor ensures constant speed even when the viscosity changes (counter-reaction).
Switch off the stirring by clicking the knob (C).
Click Timer button (12) to select the timer.
Set timer (8) time becomes blue. Adjust timer by turning the speed control knob (C).
Click the knob (C) to confirm.
If the instrument is already working, timer countdown starts immediately, otherwise timer (7) is fixed as set
timer (8) until stirring begins.
If timer is not set, set timer (8) shows hh:mm:ss and timer (7) works as a counter.
Set Gear
The intensity of the torque is indicated on the main screen (9).
Holding the Lock key (D) for 3 seconds, the instrument will lock its settings during operations.
Unlock the control panel by holding the Lock key (D) for 3 seconds.
If other buttons are clicked while the instrument is locked, the two LEDs aside lock button blink for many
seconds.
Figure 5. Main OHS 200 Advance
➢
Set the operating speed range by clicking Gear button (11) and
rotating the speed control knob (C).
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Click the knob (C) to confirm the speed range. Once confirmed,
Current Gear symbol becomes black.
➢ It's possible to select between two gears:
➢ Gear I: Low speed (6 – 400 rpm)
High torque (till 200 Ncm).
➢ Gear II: High speed (30 – 2000 rpm)
Low torque (till 40 Ncm).
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