Fisher Scientific behr behrotest TRS 300 Manual de usuario
behr TRS 300
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© behr Labor-Technik 2007
271005
Please read this operating manual carefully before starting use of your new TRS 300 control unit!
The manual introduces you to the use of the apparatus with clear and simple guidance. Additional infor-
mation, which is useful and important for an understanding of the manner of operation of the apparatus,
is denoted by a gray stripe in the margin.
For reasons of safety in use of the system, please follow all safety warnings carefully. These
are designated in the text by a warning symbol .
We wish you success in the use of the
behrotest®
TRS 300
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Contents
Notes for safety.................................................3
Scope of supply ................................................4
Correct use of the TRS 300 ..............................5
TRS 300: Connections and operating ele-
ments..................................................................6
Connecting the TRS 300...................................8
Switching the TRS 300 on ................................9
Using the TRS 300...........................................10
The operating unit .............................................. 10
Write a temperature program............................. 16
Processing samples...........................................22
The COD program .............................................26
Maintenance of your TRS 300........................27
What do I do if...? ............................................28
Technical data .................................................30
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© behr Labor-Technik 2007
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Notes for safety
Danger of electric shock!
Always install all cables in such a way
that they cannot come into contact with
the hot inner zone of the heating block;
they could otherwise smoulder through!
Always ensure that no liquids can come
into contact with cable connections or
the interior of the unit!
Always disconnect the mains plug
before opening the unit! Repairs on
electrical, electronic and mechanical
modules of this unit may be performed
only by authorized specialist staff!
Danger of injury in case of breakage
of glass! Always adhere to your
professional association‘s regulations
when using and handling glass
elements!
Care is required when using and
handling acids and alkalis! Danger of
corrosive burns and injuries! Always
adhere to the safety regulations in
the latest edition of the Hazardous
Substances Ordinance!
Hazard from toxic gases!
Always perform digestion operations
which can result in evolution of toxic
or corrosive vapours in a fume cabinet
and/or using an exhauster system! We
recommend operation of the digester
and exhauster system in the fume
cabinet.
Never operate the TRS 300 control unit
in wet, humid or explosion-endangered
areas!
Maximum air humidity = 80%
Maximum temperature = 40° C
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Scope of supply
Please check the contents of the pack for completeness and freedom from damage immediately upon
receipt.
Claims resulting from damage during transportation which is externally apparent must be lodged imme-
diately with the carrier (i.e., the post/mail service, the railway administration, the freight organization,
etc.) - see the label on the packaging.
In case of damage which is not apparent from outside („concealed transportation damage“), please
contact the behr after-sales service immediately upon discovery of the damage. The same applies in
the case of any other complaints.
Address:
behr Labor-Technik GmbH
Spangerstrasse 8
D-40599 Düsseldorf, Germany
Telephone: (0211) 7 48 47 17
Telefax: (0211) 7 48 47 48
e-mail: info@behr-labor.com
Your TRS 300 control unit is supplied ready for connection.
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Correct use of the
TRS 300
The behr TRS 300 is used for actuation of
behrotest® digesters.
Potential adjustments available to you, and those
that are recommendable for your tasks, depend
on the unit connected. Please read the explanato-
ry notes in this manual for this information.
Please under all circumstances adhere to the
following items, which are intended to assure for
you maximum possible operating safety and relia-
bility and the longest possible service-life for your
behr TRS 300:
- Always operate the unit in accordance with
the instructions and information contained
in this operating manual!
- Modications to the unit will result in for-
feit of any guarantee liability and may cau-
se serious defects in the operating safety
and reliability of your behr TRS 300.
- Never expose the control unit to aggressi-
ve vapours, such as acidic, alkaline or sol-
vent fumes!
Only operate your behr TRS 300 under normal
laboratory conditions.
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© behr Labor-Technik 2007
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Press button for
enter / stop
behr
Heating
TRS 300
TRS 300: Connections and
operating elements
Figure 1: Front view
1.1 Display
1.2 „Heating“ display lamp
1.3 Operating button
1.4 Positioning/carrier stand, adjustable in inter-
vals of 30 degrees
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HEATING
Behr Labortechnik GmbH 40599 Düsseldorf
RS 232
TEMP.PROBE
PT 100
I
0
Figure 2: Rear view
2.1 RS232 interface
2.2 Temperature sensor socket
(Pt 100)
2.3 Mains switch
2.4 Digester unit connecting socket
2.5 Power cable
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Connecting the TRS 300
Danger of electric shock!
Always install all cables in such a way
that they cannot come into contact with
the hot inner zone of the heating block;
they could otherwise smoulder through!
Position the TRS 300 next to your digester.
The positioning/carrier stand can be adjusted;
it engages at intervals of 30 degrees. Please
select a position in which you can read off and
operate the unit without difculty.
Connect the power cable (Page 7, Section 2.5) of
the control unit to a safety-contact power socket.
Then connect your digester to the control unit:
Insert the power-supply cable plug on the digester
into the HEATING socket (Page 7, Section 2.4)
and secure it using the union nut.
Insert the three-pole diode connector on the tem-
perature sensor into the TEMP PROBE PT 100
socket (Page 7, 2.2) and secure it using the
union nut.
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© behr Labor-Technik 2007
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Switching the TRS 300 on
► Set the mains switch (Page 7, 2.3) on the rear
panel of the unit to the „I“ position.
The mains switch on the TRS 300 performs
two functions. It is used, on the one hand, to
switch the unit on and off. There is, in addition,
a fuse integrated into the switch.
This fuse functions similarly to a miniature
circuit-breaker (m.c.b.) familiar from your hou-
sehold wiring system. It interrupts the electrical
circuit if an overcurrent occurs.
Since it is necessary to pretension a spring for
this safety function, the mains switch on the
TRS 300 requires greater force for switching
on than a conventional mains switch.
An initialization message will appear briey on the
display on the front panel when the unit is swit-
ched on. The main menu appears once the initiali-
zation routine has been completed:
The TRS 300 control unit is now ready for
operation.
Prog 01/01 ==>>
022 °C
START EIN
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behr
TRS 300
Press button for
enter / stop
+
Heating
Using the TRS 300
The operating unit
You can program and operate your behrotest®
TRS 300 control unit quite simply using a single
button. The principle is the same in all cases:
Turn the button to select an option. The option
selected is indicated by the fact that it is shown
inverted, i.e., bright characters on a dark back-
ground.
The button can be turned in both directions. In
doing this, you will pass through all the possible
options on the particular display and will always
reach the option which you wish to select.
Try it out!
Conrm the option selected by pressing the
button.
This complete procedure, i.e., „Selecting by
turning“ and „Selecting by pressing“ is referred
to below simply as „Selecting“.
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