Lauda PTT Скачать руководство пользователя страница 2 | Manualshive

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Содержание PTT

Страница 1: ... 01 04 09 LAUDA DR R WOBSER GMBH CO KG Postfach 1251 97912 Lauda Königshofen Germany Phone 49 09343 503 0 Fax 49 09343 503 222 e mail info lauda de Internet http www lauda de Operating Instructions PTT Peltier Thermostating Unit LMTZ 831 ...

Страница 2: ......

Страница 3: ...ion The device may only be operated by appropriately instructed personnel Never operate the device without tempering liquid The operating instructions contain additional safety information which is identified with a triangle with an exclamation mark Read and follow the instructions Ignoring the instructions can lead to severe consequences e g personal injury damage to property or the device itself...

Страница 4: ...PTT 4 ...

Страница 5: ...2 Temperature display and control 8 3 3 Operating and functional controls 9 3 4 Interfaces and sockets 10 4 Installation and operation 11 4 1 Installation 11 4 2 Operation 15 4 3 Checking the filling level 16 4 4 Switching off 16 4 5 Standby mode 16 5 Technical data 17 6 Appendix 18 6 1 Error messages 18 6 2 Ambient conditions 18 6 3 Materials 19 6 4 Cleaning 19 6 5 Repair information service 20 6...

Страница 6: ...ey remain essentially subject to the judgement and responsibility of the operator The device may only be used as intended that is as described in these operating instructions This in cludes operation by instructed specialist personnel The device conforms to the EMC standard DIN EN 61326 1 Class A The device is not designed for use under medical conditions according to DIN EN 60601 1 or IEC 601 1 1...

Страница 7: ...he haulage or postal company must be immediately in formed so that verification can take place In this connection please inform the LAUDA Service Centre or an authorised LAUDA representative Please check the package contents for completeness PTT Thermostating Unit Cover Power supply unit Temperature sensor Beaker 60 Filling syringe Magnetic stirring rod 15 mm D 4 5 This manual ...

Страница 8: ... protection system which safeguards the power electronics and Peltier ele ments from thermal overload A bimetallic switch fitted internally in the beaker receptacle provides additional protection from the con tainer overheating above 90 C Measurements and setting values as well as operating statuses are displayed on the front of the PTT using a 3 figure 7 segment display 888 The entry of the set v...

Страница 9: ...splay Indicators located be low the display represent the operating statuses The control knob has rotary and button functions the operation of which is described in Section 4 2 6 7 8 1 2 3 4 5 1 Display actual temperature set point temperature set stirrer speed error code 2 Indicator for actual temperature C 3 Indicator for set point temperature 4 Indicator for rotational speed 5 Control knob Set ...

Страница 10: ...equipped as standard with the following interfaces and sockets Power socket for connection to an external power supply unit Sensor socket for connection to an external Pt100 measurement probe Command socket is actually not active USB socket at the back and covered only for servicing ...

Страница 11: ...e filling syringe The thermostatic block should be sufficiently filled but not overfilled Too little tempering liquid reduces the heat transport and can lead to the system switching to EMERGENCY OFF The devices are rated for operation with non flammable and flammable liquids according to DIN EN 61010 2 010 Watch the filling level Generally decalcified water is used as the temper ing liquid Please ...

Страница 12: ...the beaker is inserted the tempering liquid rises up the outer wall of the beaker The highest possi ble filling level is desirable for the best possible heat transfer 4 3 Checking the filling level 7 Insert the temperature sensor if required use the stirring rod and put the cover in place The temperature sensor should be immersed in the sample by at least 3 millimetres When inserting the beaker th...

Страница 13: ...he control knob The LED lights as long as the figure for the set point temperature is displayed Provided the user does not change the settings the device operates with the standard values TSET 25 C and 0 corresponds to deactivated stirrer When working without a stirring rod the stirrer should remain deactivated Stirrer activity is indicated by the flashing of the control knob The device can be swi...

Страница 14: ...ng of the control knob The magnetic stirrer is switched off by pressing the control knob again step 0 Three seconds after entering a new speed the current sample temperature is automatically dis played again Three LEDs indicate the three operating statuses Malfunction Heating and Cooling Malfunction Heating Cooling With Malfunction please note the error code indicated in the display switch off the...

Страница 15: ...n after switch on and in operation New settings are automatically accepted after approx 3 seconds and the device then resets to the adapted standard operating situation Display corresponds to ACTUAL temperature Heating phase Cooling phase Magnetic stirrer activated deactivated Flashes during stirrer operation Set point tem perature is being set 0 80 C Stirrer speed is being set Display 1 slow 9 fa...

Страница 16: ... time by actuating the switch Off O 4 5 Standby mode The PTT can be put into a standby mode To do this the control knob is held pressed for at least 3 se conds In this way all electrical components fans magnetic stirrer power electronics for the thermostating unit are deactivated The standby function is used for periods in which the beaker is removed from the system e g when changing the sample li...

Страница 17: ...m 125 x 150 x 100 Stirring steps 0 deactivated 1 9 Weight kg 1 1 Type of protection to DIN EN 60529 IP 21 Power consumption W 100 Technical modifications reserved Heating and cooling curves Heating curve Sample water 50 ml Transmitter medium water cover 25 30 35 40 45 50 55 60 65 70 0 5 10 Time min Cooling curve Sample water 50 ml Transmitter medium water cover 5 10 15 20 25 0 5 10 15 Time min Tec...

Страница 18: ...o LAUDA Service Er 7 Undervoltage for power driver Report to LAUDA Service Er 8 Difference T sensors Report to LAUDA Service Er 9 Fan problem Report to LAUDA Service To protect the unit against overheating it is equipped with a bimetallic protection device This device completely isolates the unit from the power supply when the temperature of the receiving container ex ceeds 90 C In this case pleas...

Страница 19: ...mperature resistant up to 110 C Damage to the device due to the use of liquids which can modify the above mentioned ma terials is in no case covered by the warranty from LAUDA Dr R Wobser GmbH Co KG The resulting damage can on no account be rectified free of charge 6 4 Cleaning Cleaning can be carried out with water with a few drops of a surfactant washing up liquid added and with the aid of a dam...

Страница 20: ...hen ordering replacement parts please state the type of device and number on the rating label on the rear panel This avoids queries and erroneous shipment The serial number is composed as follows e g LMT850 09 0001 LMT850 Article number 09 Year of manufacture 2009 0001 Incremental numeration Your contact for maintenance and expert service support LAUDA Instrument Service SMG Phone 49 0 9343 503 14...

Страница 21: ...8 Temperature sensor Sensor for determining the actual temperature DU 711 Sample beaker Sample beaker D 60x32 mm pack of 10 EG 011 Disposable syringe Filling and topping up tempering liquid EGP 012 PTFE stirring rod diameter 4 5 mm length 15 mm Mixing the sample for optimum heat transfer EZ 265 To avoid erroneous shipments please quote the device type and number from the rating label The rating la...

Страница 22: ...n 11 Interfaces 10 Magnetic stirrer speed setting the 14 Materials 19 Measurement probe 10 Minimum filling amount 12 One knob operation 15 Operating controls 9 Operating statuses 14 Operating temperature 17 Operation 11 15 Overall size 17 Power consumption 17 Protection system 8 Rating label 20 Relative humidity 17 Repair information 20 Replacement parts 20 21 Resolution display 17 setting resolut...

Страница 23: ... LAUDA voir plaque signalétique Typ Type Type Serien Nr Serial no No de série mit folgendem Medium betrieben wurde was used with the below mentioned media a été utilisé avec le liquide suivant Darüber hinaus bestätigen wir daß das oben aufgeführte Gerät sorgfältig gereinigt wurde die Anschlüsse verschlossen sind und sich weder giftige aggressive radioaktive noch andere gefährliche Medien in dem Ge...

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