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Summary of Contents for Lauda PTT
- Page 1 Operating Instructions Peltier Thermostating Unit LMTZ 831 LAUDA DR. R. WOBSER Valid from series: 1 GMBH & CO. KG YAME0020 Version 01/04/09 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...
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Page 3: First Some Safety Information
First some safety information Before you operate the device, thoroughly read through all the instructions and safety information in Section 1. If you have any queries, please feel free to call us. Follow the instructions about siting, operation, etc., as only then can improper handling of the device be eliminated and the full warranty coverage maintained. -
Page 5: Table Of Contents
Table of contents First some safety information ....................... 3 1 Safety information ......................6 1.1 General safety information ....................6 1.2 Additional safety information ....................6 2 Package contents ......................7 3 Device description ......................8 3.1 Basic principles ........................8 3.2 ... -
Page 6: Safety Information
Safety information General safety information The PTT Peltier Thermostating Unit cools or heats tempering liquids and sample liquids. Hazards arise from this due to high or low temperatures, fire and the general hazards due to the application of electri- cal energy. -
Page 7: Package Contents
After unpacking, first check the unit and accessories for any transport damage. If the de- vice is found to be damaged, the 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. -
Page 8: Device Description
90 °C. Temperature display and control Measurements and setting values as well as operating statuses are displayed on the front of the PTT using a 3-figure 7-segment display . The entry of the set value and other settings occurs using the button/rotary function of the control knob. -
Page 9: Operating And Functional Controls
Operating and functional controls All operating and functional controls on the PTT are situated at the front. A 3-figure 7-segment display indicates the actual and set-point temperatures, the stirrer speed and error messages. Three LEDs positioned close to the display specify the figures shown in the display. Indicators located be- low the display represent the operating statuses. -
Page 10: Interfaces And Sockets
Interfaces and sockets The PTT is 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... -
Page 11: Installation And Operation
Installation and operation Installation 1. Site the Peltier unit on a firm, uncluttered surface. Maintain at least 6 centimetres spacing on all sides (air access). 2. With the switch set to the "0" position, connect the power supply unit to the electrical mains network (100...240 V) and connect the plug securely to the Peltier device ("Power"). - Page 12 5. Fill the beaker with at least 40 ml of sample liquid and put it in place. The minimum filling amount is 40 ml. It is only then that the immersion depth required by the tem- perature sensor is ensured. 6.
- Page 13 8. The PTT is put into operation by actuating the switch ("On" = I). In the default setting the device tempers the liquid to 25°C. On starting, the device automatically carries out a self-test. All indicators on the front display are activated for 2 seconds for checking purposes.
- Page 14 9. Setting the speed of the magnetic stirrer occurs by briefly pressing the control knob: As long as the LED "" (4) is lit, the speed can be adjusted by turning the knob (steps 1...9). Stirrer activity is indicated by the flashing of the control knob. The magnetic stirrer is switched off by pressing the control knob again (step 0).
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Page 15: Operation
Operation The PTT Peltier Thermostating Unit can be easily operated due to the intuitive one-knob operation and clear visual feedback. Standard situation (after switch-on and in operation) Display corresponds to ACTUAL temperature Flashes during stirrer operation Heating phase / Cooling phase... -
Page 16: Checking The Filling Level
("Off" = O). 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. -
Page 17: Technical Data
Technical data PTT Series A Operating temperature °C 5...80 Ambient temperature °C 10...40 Relative humidity 40…60 Temperature for storage °C - 10…50 Setting resolution °C Display resolution °C Temperature accuracy ± 0.1 Cooling output @ 25 °C Overall size W x D x H... -
Page 18: Appendix
Appendix Error messages The Self-Check Assistant of your PTT Thermostating Unit monitors numerous device parameters and issues error mes- sages, if necessary. All messages are indicated in the display using error codes which are interpreted according to the error list and can be rem- edied as required. -
Page 19: Materials
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. -
Page 20: Repair Information - Service
Withdraw the mains plug before all servicing and repair work. Have repairs carried out only by specialists. When sending in a device, please ensure that it is carefully and properly packed. LAUDA cannot be held liable for any damage due to improper packing. want... -
Page 21: Accessories, Replacement Parts
Accessories, replacement parts LAUDA Description Application / function order no. PTT cover (transparent plastic cover) Reduction of temperature changes in the vicinity of the surface and ingress of dust (tensiometry), wind protec- HGH 188 tion, reduction of evaporation. Temperature sensor Sensor for determining the actual temperature. -
Page 22: Index
Index Accessories ............. 21 One-knob operation ........15 Air access ............11 Operating controls ..........9 Ambient conditions .......... 18 Operating statuses .......... 14 Ambient temperature ........17 Operating temperature ........17 Basic principles ..........8 Operation ..........11, 15 Checking the filling level ........ - Page 23 / Personne responsable Hiermit bestätigen wir, daß nachfolgend aufgeführtes LAUDA-Gerät (Daten vom Typenschild): We herewith confirm that the following LAUDA-equipment (see label): Par la présente nous confirmons que l’appareil LAUDA (voir plaque signalétique): Serien-Nr. Type / Type Serial no. / No. de série:...
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