Fisher Scientific behr behrotest TRS 300 Operating Manual

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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

behr TRS 300

– 1 –

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Summary of Contents for Fisher Scientific behr behrotest TRS 300

Page 1 behr TRS 300 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.
Page 2: Table Of Contents
behr TRS 300 Contents Notes for safety ..........3 Maintenance of your TRS 300......27 Scope of supply ..........4 What do I do if...? ..........28 Correct use of the TRS 300 ......5 Technical data ..........30 TRS 300: Connections and operating ele- ments..............6 Connecting the TRS 300........8 Switching the TRS 300 on ........9 Using the TRS 300...........10...
Page 3: Notes For Safety
behr TRS 300 Notes for safety Care is required when using and handling acids and alkalis! Danger of Danger of electric shock! corrosive burns and injuries! Always Always install all cables in such a way adhere to the safety regulations in that they cannot come into contact with the latest edition of the Hazardous the hot inner zone of the heating block;...
Page 4: Scope Of Supply
behr TRS 300 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.
Page 5: Correct Use Of The Trs 300
behr TRS 300 Correct use of the Always operate the unit in accordance with TRS 300 the instructions and information contained in this operating manual! The behr TRS 300 is used for actuation of Modifications to the unit will result in for- behrotest digesters.
Page 6: Trs 300: Connections And Operating Elements
behr TRS 300 TRS 300: Connections and behr TRS 300 operating elements Figure 1: Front view Display „Heating“ display lamp Press button for Operating button enter / stop Positioning/carrier stand, adjustable in inter- Heating vals of 30 degrees – 6 –...
Page 7 behr TRS 300 Figure 2: Rear view RS 232 RS232 interface TEMP.PROBE PT 100 Temperature sensor socket (Pt 100) Mains switch HEATING Digester unit connecting socket Behr Labortechnik GmbH 40599 Düsseldorf Power cable © behr Labor-Technik 2007 – 7 –...
Page 8: Connecting The Trs 300
behr TRS 300 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;...
Page 9: Switching The Trs 300 On
behr TRS 300 Switching the TRS 300 on An initialization message will appear briefly on the display on the front panel when the unit is swit- ► Set the mains switch (Page 7, 2.3) on the rear ched on. The main menu appears once the initiali- panel of the unit to the „I“...
Page 10: Using The Trs 300
behr TRS 300 Using the TRS 300 You can program and operate your behrotest® TRS 300 control unit quite simply using a single The operating unit 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- behr...
Page 11 behr TRS 300 The Start menu 2 The temperature currently measured by the temperature sensor is always displayed here. 3 „Start” menu item: The temperature program °C 14:05 most recently selected starts if this menu item is selected. What program this is is1 indicated at bottom left.
Page 12 behr TRS 300 Configuring the TRS 300 to meet your Turn the operating button until the ==>> menu needs item is indicated and then press the button. The You can, in fact, use your TRS 300 for analyses following menu will appear: even now.
Page 13 behr TRS 300 Select the required entry by turning the operating ► Select the Sprache (Language) menu item. button if you wish to change a setting. Press the button to select the entry and set the required va- SPRACHE lue by turning the button. Store the value by pres- sing the operating button again.
Page 14 behr TRS 300 Setting the time You can now enter the digits for the time one after the other. Turn the operating button until the cor- You should also set the time while you are on this rect digit appears, and then press it. page.
Page 15 behr TRS 300 Second page: Autostart settings On - the TRS 300 will preheat to the starting temperature of the most The Autostart settings can be selected on this recently selected program as soon page. You can, for example, set the unit to pre- as it is switched on at the mains heat at a specified time or to start a temperature switch (p.
Page 16: Write A Temperature Program
behr TRS 300 Write a temperature program Select continue ==>> in the Start menu and se- lect Program in the menu which then appears. The TRS 300 can be used to write up to ten different temperature programs. Program 00 is fixed; this is the program for COD PROGRAM quantitation;...
Page 17 behr TRS 300 You are now on the first page of the Program The Program No. and the Program Step No. menu. which you are currently editing are shown in the top line. Program 01/01 PROG.NUMBER TEMPERATURE TIME FUNCTION <<== ==>>...
Page 18 behr TRS 300 Function T: Temperature step In this function, the unit heats up to the specified Temperature as quickly as possible (if it is not Program 01/01 already preheated) and then maintains this tem- TEMPERATURE perature. The entire procedure (heating-up and maintaining, together) lasts the stated Time in TIME minutes.
Page 19 behr TRS 300 Function %: Heat output This function enables you to specify Heat output in % of total output, and also Time in minutes. Program 01/01 HEAT OUTPUT The unit will then heat at the specified percentage of total heat output for the time specified. TIME This function is appropriate only for diges- FUNCTION...
Page 20 behr TRS 300 C/M function: Heating rate Perform a trial run and find out for yourself, (degrees Celsius per Minute) using the temperature display, whether the temperature plots set can actually be achieved. Program 01/01 TEMPERATURE Function E: End TIME FUNCTION This function is used to inform the TRS 300 that the temperature program ends here.
Page 21 behr TRS 300 A program can thus be written as ► Press <<== repeatedly to return to the Start follows: menu. ► For the first step, enter the required function Which program settings are most useful for and the corresponding values. you will depend on your digester, the digestion method and the nature of the samples.
Page 22: Processing Samples
behr TRS 300 Processing samples Select program Switch the TRS 300 on (mains switch on the rear The most recently selected program is display- panel of the unit, Page 7, 2.3). ed in the bottom line of the Start menu. Select a different program if this is not the program you require now: °C...
Page 23 behr TRS 300 Preheat digester ► and on the next page Program No. ► Select the required Program No. If necessary, preheat the digester to the starting temperature. PROG.NUMBER °C 14:05 START <<== ==>> Prog 01/01 ==>> ► Return to the Start menu by selecting <<== repeatedly.
Page 24 behr TRS 300 Inserting the samples,starting the The temperature to which preheating is to take program place is now shown at the top left of the display, and the temperature reached at the center. Insert the samples into the digester. °C 14:05 If necessary, put the exhauster grid in position and...
Page 25 behr TRS 300 The TRS 300 does not react to any operation °C of the operating button while a program is run- ning. The program cannot be interrupted by actuating the operating button. This is intended to prevent any inadvertent interruption or mani- pulation of a program while it is running.
Page 26: The Cod Program
behr TRS 300 The COD program The program for quantitation of Chemical Oxygen A heating temperature of 155° C has proven ade- Demand (COD) in accordance with DIN 38409, quate for keeping the samples simmering. Greater Parts 41 and 42, is permanently programmed. It heat is required to bring the samples to this boiling can be found by selecting Program 00.
Page 27: Maintenance Of Your Trs 300
behr TRS 300 Maintenance of your So don‘t be surprised by these temperature set- TRS 300 tings; they are necessary to bring the samples to boiling point in the required time. The samples themselves cannot exceed 148 °C, since the water/sulfuric acid mixture boils at this tempera- Danger of electric shock! ture.
Page 28: What Do I Do If
behr TRS 300 What do I do if...? The behrotest TRS 300 control unit has an internal fault scanning system. This is capable of detecting ® five different error situations. „Error“ will then appear on a red background, together with a Code No., on the display.
Page 29 behr TRS 300 Code Meaning Remedy The digester‘s power-supply Switch the TRS 300 off. Insert the power-supply cable cable is not connected to the connector of the digester firmly into the „Heating“ socket TRS 300 or the plug is not firmly (Page 7, 2.4) on the rear panel of the TRS 300 and secure inserted it using the union nut.
Page 30: Technical Data
behr TRS 300 Technical data Dimensions Width 150 mm Height with stand in position 175 mm depth 320 mm Positioning / carrier stand engages at 30° intervals Supply voltage: 230 VAC, 50 Hz Switching rating: max. 2200 W Ohmic load Connection of digester Power-supply socket on rear panel of unit (special 4-pin connector with screw cap)