Maintenance & Servicing; Technical Specification - Barloworld Scientific stuart SB2 Instrucciones De Funcionamiento

9 hours) to 999 minutes)., or continuous - - -)
using the instruction given above. Then switch
the unit OFF by pressing in the control knob.
Wait 5 seconds and switch the unit back ON by
pressing the control knob in. The inputted values
are now saved in the memory. They can be
altered at any time by following the same
procedure.
Changing the timer unit
The unit timer is defaulted to minutes only (1
to 9999 minutes). To change to minutes and
hours (1 minute to 9 hours, H is displayed in the
left digit of the timer display), or to change to
seconds and minutes (1 second to 90 minutes)
turn the unit off using the control knob then
switch the mains power off at the plug. Hold
down both the start/stop button and the mode
button whilst simultaneously switching the mains
power back on. The display will temporarily
show 88:88 then OFF. Using the control knob
turn the unit on, the display will show nn:ss for
minutes and seconds, H:nn for hours and
minutes and nn for minutes, turn the control
knob to select the desired timer unit and turn
the unit off by the control knob, OFF will be
displayed. When the unit is next used the timer
will have been altered to the set unit.
Maintenance & servicing
WARNING: Ensure the unit is disconnected
from the mains electricity supply before
attempting maintenance or servicing.
Periodically clean the instrument using a damp
cloth and mild detergent solution. Do not use
harsh or abrasive cleaning agents.
Any repairs or replacement of parts MUST be
undertaken by suitably qualified personnel.

Technical specification

Speed
Speed display
Timer
Dimensions (w x d x h)
Weight
Electrical supply
SB2
Fixed - 20 rpm
None
No
200 x 270 x 240 mm
3.2 Kg
230V / 50Hz, 50W
For a comprehensive list of parts required by
service engineers conducting internal repairs and
a service manual, please contact the Technical
Service Department of Barloworld Scientific Ltd.
quoting both the model and serial number.
Only spare parts supplied or specified by
Barloworld Scientific Ltd. or its agents should be
used. Fitting of non-approved parts may affect
the performance and safety features designed
into the instrument.
If in any doubt, please contact the Technical
Service Department of Barloworld Scientific Ltd.
or the point of sale.
Barloworld Scientific Ltd.
Stone, Staffordshire ST15 0SA
United Kingdom
Tel: +44 (0) 1785 812121
Fax: +44 (0) 1785 813748
e-mail equipment@barloworld-scientific.com
www.barloworld-scientific.com
Warranty
Barloworld Scientific Ltd warrants this instrument
to be free from defects in material and
workmanship, when used under normal
laboratory conditions, for a period of three (3)
years. In the event of a justified claim, Barloworld
Scientific will replace any defective component or
replace the unit free of charge.
This warranty does NOT apply if damage is
caused by fire, accident, misuse, neglect,
incorrect adjustment or repair, damage caused by
incorrect installation, adaptation, modification,
fitting of non approved parts or repair by
unauthorised personnel.
SB3
Variable - 2 to 40 rpm
Digital
Yes – up to 999mins
200 x 270 x 240 mm
3.2 Kg
230V / 50Hz, 50W
3