STIRRING HOTPLATE Series 6xxxx Operation Manual Ver 5.1 Oct 2015

Thank you for your confidence shown in us! Congratulations to the purchase of your new product. For any enquiries, questions or suggestions please do not hesitate to contact us at [email protected]. 2mag Main competence of 2mag AG is based upon mixing, tempering and measuring/controlling. In these fields we are offering support with our products to the modern laboratory within the standardized daily business as well as for the implementation of highly complex processes in the state-of-the-art research. Due to the fact that 2mag is developing according to customer’s needs, is manufacturing self-contained and under permanent quality control and is also selling on-site together with competent contact persons, we can guaranty our customer an outstanding quality and product performance.

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Contents A Quickstart _________________________________________ 4 1. Overview of your product __________________________________ 4 2. Application fields ________________________________________ 6 2.1 Operator ____________________________________________ 6 2.2 Basic functions _______________________________________ 6 2.3 Product combinations __________________________________ 6 2.4 Application not for the intended use _______________________ 6 2.5 Combinations of vessels ________________________________ 7 2.6 Stirring bars _________________________________________ 8 2.7 Tips and hints to the topic stirring ________________________ 8 3. Installation ____________________________________________ 10 3.1 Safety advice _______________________________________ 10 3.2 Installation, connection to control unit heatMIXcontrol ________ 11 4. Operating of the control unit heatMIXcontrol __________________ 14 4.1. Operating of the control unit ___________________________ 14 4.1.1 Description operating elements ________________________ 14 4.1.2 Overview – function of the keys _______________________ 15 4.2 Heating operation and heating control ____________________ 16 4.2.1 Adjustment – Heater SET-Temperature __________________ 17 4.2.2 Adjustment – Over-Temperature Limiter _________________ 18 4.2.3 Switching – Internal/External Temperature Sensor _________ 18 4.2.4 Switching – Heater ON and OFF ________________________ 19 4.3 Stirrer Operation and Control ___________________________ 20 4.3.1 Stirrer – ON and OFF ________________________________ 20 4.3.2 SoftStart _________________________________________ 20 4.3.3 Stirrer speed adjustment _____________________________ 20 4.3.4 QuickSet _________________________________________ 20 4.3.5 Stirrer – Power adjustment ___________________________ 21 4.3.6 Switching – Stirrer ON and OFF ________________________ 21 4.4 Standard Display Layer ________________________________ 22 5. Interface – RS 232 ______________________________________ 23 5.1 RS232 Commands ____________________________________ 23 5.2 Format – Command – Feedback _________________________ 25 5.3 Hints to Parameter Operation ___________________________ 25 5.4 Control of more than one units __________________________ 27 5.5 Control with HyperTerminal ____________________________ 27 5.6. Screenshots – Preferences HyperTerminal _________________ 28 6 Safety arrangement heating _______________________________ 30 B Maintenance, Cleaning and Care _______________________ 31 C Service case and customer service _____________________ 32 D Errors ____________________________________________ 33 E Technical details____________________________________ 34

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A Quickstart 1. Overview of your product STIRRING HOTPLATE 6 and STIRRING HOTPLATE 15

Image 1: Heated Inductive Stirring Systems STIRRING HOTPLATE 6 and STIRRING HOTPLATE 15 (image without control unit)

Your product contains at despatch  A modern inductive magnetic stirring system consisting of: a PTFE-coated heating plate with selectively 6 or 15 stirring points with firmly connected - heating cable (3-pin plug) and - stirrer control cable (15-pin plug)  An external control unit incl. power cable

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STIRRING DRYBATH 15-100, 15-250 and 8-250 ERL

Image 2: STIRRING DRYBATH (incl. control unit heatMIXcontrol)

Your product contains at despatch  A modern inductive magnetic stirring system consisting of: a PTFE-coated aluminium heating block with 15 block boreholes for 100 ml laboratory glass flasks respectively 250 ml laboratory glass flasks with firmly connected - heating cable (3-pin plug) and - stirrer control cable (15-pin plug)  An external control unit incl. power cable.

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2. Application fields 2.1 Operator The STIRRING HOTPLATE and STIRRING DRYBATH are used in the fields of chemistry, medicine, pharmacy, microbiology and biotechnology. The operators are generally working in research and development, production and quality assurance

2.2 Basic functions Basic functions are stirring and/or tempering of liquids in suitable temperature-proof and chemically resistible vessels.

2.3 Product combinations In addition to the use at the conventional laboratory desk our products have also been tested for the application in  Laminar flow devices  Safety cabinets  Safety cabins

2.4 Application not for the intended use The STIRRING HOTPLATE and STIRRING DRYBATH are explicitly not intended for the application:  In water baths or humid rooms  Stirring and warming of flammable liquids  Warming of pressure-tight closed vessels (e.g. Erlenmeyer flasks, lab flasks)  General danger of explosion The 2mag is offering special products for the just mentioned application combinations. More information for this can be found at http://www.2mag.de or at [email protected]

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2.5 Combinations of vessels Please use round, heat resistant vessels made of glass or non-magnetic metal. You can use vessels up to the maximum size stated in the spread sheet 1. The vessels should have a thin, even wall thickness. Flat glass bottoms (without any curve to the inside) and smooth surfaces will improve the operating characteristic of the magnetic stirring bar. At the same time they will improve the heat transfer from the STIRRING HOTPLATE resp. the STIRRING DRYBATH to the liquid. Uneven surfaces would reduce the stirring power and would cause reaming up of the stirring bar’s gliding surface. In case you intend to stir large amount of liquids, please chose such stirring flasks that have a comparatively small diameter and thin bottom. The magnetic stirring bar can then be centred better. Heated Stirring System STIRRING HOTPLATE 6

STIRRING HOTPLATE 15

Stirring vessels Erlenmeyer flasks und lab flasks

Nominal content 25 ml 50/100 ml 250/500 ml 1000 ml

Max. amount 6 6 6 6

beaker glass (high design)

25 ml 50 ml 100/250 ml 600/1000 ml 2000 ml 25 ml 50/100 ml 250/500 ml 1000 ml

6 6 6 6 6 15 15 8/6 6

25 ml 50 ml 100/250 ml 600/1000 ml 2000 ml 100 ml 150 ml

15 15 15 8 6 15 15

250 ml 400 ml

15 15

250 ml

8

Erlenmeyer flasks und lab flasks

beaker glass (high design)

STIRRING DRYBATH 15-100

STIRRING DRYBATH 15-250 STIRRING DRYBATH 8-250 ERL

lab flask beaker glass (high design) lab flask beaker glass (high design) Erlenmeyer flasks

Spread sheet 1: Combination examples for vessels

Please always place the flasks in the magnetic centre of the magnetic stirrer. This will ensure the optimum stirring effect!

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Do never use any pressure-tight closed flasks. RISK OF BURSTING!

Use only temperature-resistant vessels. Be careful with plastic flasks!

2.6 Stirring bars In general, all stirring bars matching the length and diameter can be used. But we recommend using the commercial stirring bars with Samarium Cobalt magnetic core (SmCo). By using this highly energetic magnetic material the maximum stirring power of the magnetic stirrer can be achieved, especially when mixing viscose media.

2.7 Tips and hints to the topic stirring The mixing flasks should be filled max. up to the middle (high speed range) resp. up to ¾ (low speed range). Place one magnetic stirring bar in each stirring flask. Place the stirring flasks right in the centre of the stirring point on the STIRRING HOTPLATE resp. in one borehole of the STIRRING DRYBATH. In case the magnetic stirring bar turns in an unsteady or jerky way or bounces: The interaction between the alternating magnetic field and the magnetic stirring bar is too high.  Increase the speed or  Use a smaller magnetic stirring bar or  Decrease the stirring power. In case the magnetic stirring bar will not be centred or leaves the centre permanently: The interaction between the alternating magnetic field and the magnetic stirring bar is too low. Or the stirring bar has a bottom that is uneven or too thick-walled.

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Move the flask slightly back and fro and centre it again onto the stirring point of the STIRRING HOTPLATE resp. in the borehole of the STIRRING DRYBATH.  Reduce the speed or use a longer magnetic stirring bar or one with a larger diameter or  Use a smaller flask with a thin-walled, even bottom or  Reduce the filling amount in the flasks or  Increase the stirring speed. In case the stirring activity is too weak:  Use commercial magnetic stirring bars with SamariumCobalt-core.  Use a longer stirring bar or a stirring flask with smaller diameter.

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3. Installation 3.1 Safety advice Please ensure the following basic conditions prior to installation: The wear-free inductive drive works with magnetism. Cardiac pacemakers, data storage mediums, magnetic cards and other devices, which can be affected by magnetic fields, have to be kept away from the fields of the stirring unit as well as from the stirring bars. The device must not be used in explosive rooms. The device must not be dipped and submersed in water or any cleaning solutions.

Your supply voltage has to comply with the label of the control unit. The control unit has to be switched off before any power connection as well as before any other power supply.

To increase the operation safety, the control unit should be placed apart from chemical materials and reactions as well as away from thermal influences. For special requirements please contact [email protected].

ATTENTION! The control unit has to be switched off, BEFORE you connect or disconnect the plugs. Always turn off the power switch (1) first BEFORE handling the connection cables.

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3.2 Installation, connection to control unit heatMIXcontrol Step by step instruction (please also see image 4)

Image 3: control unit heatMIXcontrol

 Switch off the control unit with the power switch (1) at the rear side and disconnect the main power cable (3) BEFORE handling the connection cables!  The heating cable (5) has to be connected to the 3-pin connection socket (4) of the control unit.  The stirrer control- and sensor-cable (7) has now to be connected to the 15-pin connection socket (6) of the control unit. Please secure this plug connection by turning the screws situated at the plug. Only by this a trouble-free operation can be guaranteed.  Connect the main power cable (3) to the main power input at the side (2) and afterwards to the power plug.  The control unit is now connected to the end unit and ready for operation.  Please switch on the control unit with the power switch (1) at the rear side. The control unit will now run through a short self-test and will then be ready for operation immediately.  Please note the following operation instruction to avoid any operating errors, malfunctions or accidents.

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9

Pt

Image 4: Installation, rear side of the control unit heatMIXcontrol 230 V

Description functional elements heatMIXcontrol 230 V - rear side 1 Main power switch 2 Main power socket (incl. fuse 6.3 AmT) 3 Main power cable 4 Socket for heater cable 5 Connector of heater cable end unit 6 Socket for stirrer- /sensor cable 7 Connector of stirrer-/ sensor cable end unit 8 Socket – RS232 interface 9 Socket – Pt100 external probe temperature sensor 10 Control unit heatMIXcontrol Pt

Temperature Sensor Pt100 (Accessory)

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10 1

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S

3

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Image 5: Installation, rear side of the control unit heatMIXcontrol 115 V

Description functional elements heatMIXcontrol 115 V - rear side 1 2 3 4 5 6 7 8 9 10 S

Main power switch Main power socket (incl. fuse 6.3 AmT) Main power cable Socket for heater cable Connector of heater cable end unit Socket for stirrer- /sensor cable Connector of stirrer-/ sensor cable end unit Socket – RS232 interface Socket – Pt100 external probe temperature sensor Control unit heatMIXcontrol Fuse 12.5 A T

Pt

Temperature Sensor Pt100 (Accessory)

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4. Operating of the control unit heatMIXcontrol 4.1. Operating of the control unit

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Image 6: control unit heatMIXcontrol

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Image 7: detail view – operating elements, control unit heatMIXcontrol

4.1.1 Description operating elements 10

Control unit heatMIXcontrol

Stirrer control 11 ON/OFF key 12 MODE-key for selection of the configuration layers 13 Display for stirrer (upper line) 14 Display for heater (lower line) 15 MINUS-key (-) for reduction of parameter 16 PLUS-key (+) for increase of parameters © 2mag AG

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Operation of the control unit After the cables and connection have been installed correctly according to “Installation, Connection to the control unit heatMIXcontrol”, the STIRRING HOTPLATE respectively the STIRRING DRYBATH will be ready for operation.

4.1.2 Overview – function of the keys ON/OFF-key (11) By pressing of the ON/OFF key (11) the functions stirring and heating can be switch ON and OFF at one time. MODE-key (12) By repeated pressing of the MODE-key (12) the following shown configuration- and adjustment layers can be selected and adjusted by pressing of the MINUS-key (15) resp. PLUS-key (16). All described actions (following numbers of MODE-key pressing) are always based on the “standard display layer” (basic operation display). 1x pressing MODE-key (12) Selection of adjustment SET-temperature of heater 2x pressing MODE- key (12) Selection of adjustment MAXIMUM-temperature of temperature limiter 3x pressing MODE- key (12) Selection of internal temperature sensor or external probe temperature sensor (accessory) for controlling of the probe temperature 4x pressing MODE- key (12) Selection of ON- resp. OFF heater function 5x pressing MODE- key (12) Selection of adjustment of stirrer power 6x pressing MODE- key (12) Selection of ON- resp. OFF stirrer function 7x pressing MODE- key (12) Return to standard display layer (basic operation display) MINUS- (15) and PLUS- key (16) By pressing the MINUS- (15) resp. PLUS-key (16) the function and parameter shown above can be adjusted. © 2mag AG

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4.2 Heating operation and heating control  Do not heat up liquids whose flashpoint is lower than the set temperature. Explosion hazard! Fire hazard!  HOT Hotplate resp. HOT Drybath! Temperatures up to +200 °C possible! Burning hazard!  With temperatures of above > +150 °C the PTFE coating of the Hotplate resp. of the Drybath will soften. In this actual condition, never place any hard or edged devices on the surface. Operation note: Interrelation of temperature controller and integrated adjustable over-temperature limiter The control unit 2mag heatMIXcontrol is equipped with an additional independent and adjustable over-temperature limiter. The over-temperature limiter is always of higher ranking, which means that in case of the actual value of the measured temperature being higher than the set limiting maximum value of the over-temperature limiter, the heating controller will be limited and as a result of this the heating is cut off. In case of the actual value being lower than the set limiting value of the over-temperature limiter, the heating controller will be activated again and the control process will be started again. The over-temperature limiter is an additional safety protection measure in case of potential heating controllers’ defects or other malfunctions. In addition, the maximum temperature of the heating block can be limited to protect temperature-sensitive samples against accidentally overheating. The over-temperature limiter works with a second own temperature sensor and is, therefore, technically absolutely independent of the heating controller.

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Heater control The control unit heatMIXcontrol is equipped with a precise and modern heating controller. All necessary parameters were set factory-made, optimized to the corresponding heating system and locked against accidentally shift. Therefore, only the setting of the SET-temperature can be made. As a result, a fast and precise heating will be guaranteed without high overshooting when the target temperature is reached. 4.2.1 Adjustment – Heater SET-Temperature Please press 1x MODE-key (12) for selection of the configuration layer “SET temperature heater”. By pressing the MINUS-key (15) respectively the PLUS-key (16) just after pressing the MODE-key, the SET temperature can be adjusted between +30°C up to +200°C in steps by 1°C. The adjusted SET temperature is shown in the display (14, lower line), e.g. “S.200”. The display is showing the value in °C. The actual hotplate-/ block-temperature is shown in the standard display layer. The display (13/14) will turn back to the standard display layer after approx. 5 seconds. The temperature adjustment is finished then. The SET temperature adjustment can also be finished immediately by pressing 6x the MODE-key (12) again  return to standard display layer. The heating process is immediately starting after setting the SETtemperature. Operation hint: The available adjustment range of the SET-temperature is limited by the adjustment of the over-temperature limiter. Example: The set maximum temperature of the over-temperature limiter is +150°C. In this case it is not possible to adjust higher SETtemperatures than +150°C at the heater controller.

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4.2.2 Adjustment – Over-Temperature Limiter Please press 2x MODE-key (12) for selection of the configuration layer “MAXIMUM-temperature limiter”. By pressing the MINUS-key (15) respectively the PLUS-key (16) just after pressing the MODE-key, the MAXIMUM temperature can be adjusted between +30°C up to +200°C in steps by 1°C. The adjusted MAXIMUM temperature is shown in the display (14, lower line), e.g. “L.200”. The display is showing the value in °C. The actual hotplate-/ block-temperature is shown in the standard display layer. The display (13/14) will turn back to the standard display layer after approx. 5 seconds. The temperature adjustment is finished then. The SET temperature adjustment can also be finished immediately by pressing 5x the MODE-key (12) again  return to standard display layer. Operation hint: The adjusted MAXIMUM temperature is the maximum SET temperature of the heater controller, too. 4.2.3 Switching – Internal/External Temperature Sensor Please press 3x MODE-key (12) for selection of the configuration layer “Switching – Internal/External Temperature Sensor”. By pressing the MINUS-key (15) respectively the PLUS-key (16) just after pressing the MODE-key, the internal or alternatively the external sensor for controlling the probe temperature can be activated. The adjusted status is shown in the display (14, lower line) with. “_. I” for INTERNAL or “_. E” for EXTERNAL. The display (13/14) will turn back to the standard display layer after approx. 5 seconds. The adjustment is finished then. The sensor adjustment can also be finished immediately by pressing 4x the MODE-key (12) again  return to standard display layer. The temperature control process after switching to the external temperature sensor is working only with the external sensor. The internal temperature sensor is switched off then. The adjustment of the SET-temperature is working as explained in “4.2.1 Adjustment - Heater SET-Temperature”. The over-temperature limiter is active during using the external temperature sensor, too.

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Attention: Please be always sure, that the external temperature sensor is dipped into the probe with enough filling height. Only in this case it is a reliable and safety operation of the heater end unit possible. The external temperature sensor has to be connected to the socket (9) for PT100 external probe temperature sensor of the control unit heatMIXcontrol. 4.2.4 Switching – Heater ON and OFF Please press 4x MODE-key (12) for selection of the configuration layer “Switching Heater ON and OFF”. By pressing the MINUS-key (15) respectively the PLUS-key (16) just after pressing the MODE-key, the heating function can be switched ON and OFF. The adjusted status is shown in the display (14, lower line) with. “H. ON” for heater ON or “H.OFF” for heater OFF. The display (13/14) will turn back to the standard display layer after approx. 5 seconds. The adjustment is finished then. The sensor adjustment can also be finished immediately by pressing 3x the MODE-key (12) again  return to standard display layer. The standard display layer (14, lower line) is showing the status heater “ON” by the blinking dot down to the right of the display (14, lower line).

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4.3 Stirrer Operation and Control 4.3.1 Stirrer – ON and OFF Please press the ON/OFF-key (11) once. The magnetic stirrer (heater as well) will be switched on by that. The current stirring speed will be shown in the display (13, upper line). By pressing the ON/OFF-key (11) once more, the magnetic stirrer (heater as well) will be switched off again. The display (13/14) expires. 4.3.2 SoftStart After the magnetic stirrer was switched on, the stirring bars in the flasks will first be caught, afterwards centred in the flask and then – to increase the operating safety – be smoothly accelerated to the set speed accurately. The accelerating phase will be shown by the illumination dot at the right segment of the LED-display (13, upper line). 4.3.3 Stirrer speed adjustment The speed of the magnetic stirrer can be adjusted by pressing the MINUS(15) resp. the PLUS-key (16). The adjusted speed will be shown in the display (13, upper line) when the magnetic stirrer is switched on. The speed range can be adjusted between 100 and 2000 rpm in steps by 10. By constantly pressing the MINUS- resp. the PLUS-keys, an accelerated adjustment of the speed can be achieved. Hint: The speed is only adjustable in the configuration layer “standard display layer” (basic operation display). 4.3.4 QuickSet To enter the start- respectively maximum speed directly and quickly there is the Quickset-function available. The use of the following described keys will be made with the stirrer turned on. Setting the Start Speed Press the MINUS-key (15) permanently and press shortly the ON/OFF-key (11) afterwards. The start speed “100” will be set. Setting the Maximum Speed Press the PLUS-key (16) permanently and press shortly the ON/OFF-key (11) afterwards. The maximum speed “2000” will be set.

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