Cole-Parmer TR-200 Serie Manual De Instrucciones página 4

Safety Advice Before Use
❖ The unit should be carried using both hands
with fingers under each side frame.
❖ DO NOT position the product so that it is
difficult to access the ON/OFF switch.
❖ DO NOT position the product so that it is
difficult to disconnect it from the mains supply
using the mains plug.
❖ The mains outlet socket used should be
located close to the equipment and readily
identifiable and accessible to users.
❖ In the case of power interruption, a fault or
mechanical failure, the unit will continue to
operate on removal of fault.
❖ NEVER move or carry the unit with containers
on the top or while still connected to the
power supply.
❖ NEVER stop the rotation by hand and
ALWAYS ensure that the rotator disc is evenly
balanced with tubes.
❖ Mechanical energy can lead to breakage of
glass vessels. Use with care.
❖ ALWAYS ensure there is sufficient free space
around the rotator so that it does not come
into contact with anything during use.
❖ DO NOT mix combustible liquids or use the
equipment in hazardous atmospheres.
Operation
(see fig 1 & 2)
Unpack the rotator and the accessory tube
holder(s). Assemble the apparatus on a firm level
surface ensuring there is sufficient room for the
disc to rotate.
N.B. Keep these instructions in a safe place.
Figure 3
Using the angle adjust (TR-200 &TR-200D)
Loosen the right hand side adjustment wheel by
turning it anticlockwise. Using the edge of the
main body of the rotator as a guide, position the
holder by lining up the desired angle marker
2
parallel to the edge (see fig 3). Tighten the
adjustment wheel clockwise to set the required
angle.
TR-200 Fixed speed version
Load the tube holder ensuring it is evenly
balanced.
Switch the unit ON using the mains On/Off switch
(see fig 1). The unit will rotate at a fixed speed of
20rpm. Once mixing is complete switch the unit
OFF using the same switch and unload the tubes.
TR-200D Variable speed version
Load the tube holder ensuring it is evenly
balanced.
Switch the unit ON by pressing the control knob
in (see fig 2). The red display will show present set
speed (red dot in the display shows RPM is
selected). This can be adjusted by turning the
control knob. Once the correct speed is displayed
press the start / stop button to begin rotating.
Rotation can be halted at any time by pressing the
start / stop button.
Using the timer (TR-200D only)
In order to use the timer, halt rotation and press
the mode button. The red dot on the display
moves over to TIME. Select the desired count
down time using the control knob. When the
display shows the correct time in minutes, press
the start / stop button to begin rotation.
During operation, rotation can be paused at any
time by pressing the start / stop button. If this
button is pressed again, rotation will start again
and the timer will continue to count down. When
the timer reaches zero, rotation will be
automatically halted and an audible alert will
sound. The display settings will revert back to the
last values saved in the memory (see saving speed
/ time values section below).
To disable the timer and revert to continuous
rotation, select - - - in the display in timer
mode.
To switch the Rotator OFF completely, press the
control knob in.
Saving speed / time values
In order to save a commonly used speed / time
value, switch the unit ON by pressing the control
knob in (see fig 2) and select both a speed value
(2 to 40rpm) and a time value (either 1 to 999