Memmert WTB50 Operating Manual
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Summary of Contents for Memmert WTB50
- Page 1 Operating manual WTB Waterbath www.memmert.com...
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Page 2: Table Of Contents
Table of Contents Table of Contents 1. About this Manual 2. Safety 2.1 Terms and Symbols Used ............................2.1.1 Terms Used..............................2.1.2 Symbols Used .............................. 2.2 Product Safety and Dangers............................2.3 Requirements to be met by Operating Personnel......................2.4 Responsibility of the Owner ............................2.5 Intended Use................................ - Page 3 Table of Contents 6. Operation and Control 6.1 Home Screen and Settings............................21 6.2 CustomView ................................22 6.3 Unit Information ............................... 22 6.4 Values and Unit................................ 23 6.5 Emptying ................................. 23 6.6 Calibration ................................23 7. Malfunctions, Warning and Error Messages 7.1 Warning Message of the Monitoring Function ......................
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Page 4: About This Manual
In addition to this manual, please observe the following documents: ■ Service manual: To carry out service and repair work you will require the separate service manual. Manuals can be requested from Memmert International After Sales or downloaded from www.memmert.com. ■ Operating manual for accessories For accessory parts such as the shaking device and circulating pump device you will require the separate operating manual. - Page 5 About this Manual International After Sales Memmert GmbH + Co. KG Willi-Memmert-Straße 90-96 | D-91186 Büchenbach | Germany Tel. +49 9171 9792 911 E-mail: service@memmert.com www.memmert.com If you have any queries, please always quote the product number on the nameplate.
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Page 6: Safety
Safety Safety Terms and Symbols Used In this manual and on the unit itself, certain recurring terms and symbols are used to warn you of hazards or give you information that is important in order to prevent injury or damage. To avoid accidents and damage, observe and follow these instructions. These terms and symbols are explained below. -
Page 7: Product Safety And Dangers
Safety Product Safety and Dangers The units described in this manual are technically sophisticated, manufactured using high- quality materials and subject to many hours of testing in the factory. They reflect the state of the art and comply with recognised technical safety regulations. However, there are still risks involved, even when the units are used as intended. -
Page 8: Requirements To Be Met By Operating Personnel
Intended Use Memmert waterbaths are intended for indirect tempering of samples or materials. Water should be used as the tempering medium. A wide variety of samples are tempered in a range from approx. 5 °C above room temperature to 100 °C. This can be done in suitable vessels such as test tubes, Erlenmeyer flasks etc., or if the sample to be tempered is... -
Page 9: Changes And Alterations
Safety Any other use is improper and may result in hazards and damage. The unit is not explosion-proof (does not comply with the German occupational health and safety regulation VBG 24). The unit may only be loaded with materials and substances which cannot form any toxic or explosive vapours at the set temperature and which cannot explode, burst or ignite. -
Page 10: Construction And Description
6 Safety label “Caution hot” Description of Function Memmert waterbaths are heated using the Memmert heating concept, which has proven itself over decades. A digital sensor measures the temperature at the waterbath tray. To prevent dry running, the waterbath automatically shuts off if the fill level of the tempering medium is insufficient. -
Page 11: Electrical Equipment
Construction and Description Components Material Accessories (floor grid, shaking device, Stainless steel 1.4301 – ASTM 304 basket, insert racks, test tube racks, clamps) Screws and hinges Stainless steel 1.4301 – ASTM 304 Drain valve Stainless steel 1.4301 – ASTM 304 Drain system Stainless steel 1.4301 –... -
Page 12: Technical Data
Construction and Description Type: WTB50 Type: WTB50 MSN: LF21.0000 MSN: LF21.0000 ~230 V 50/60 Hz ~230 V 50/60 Hz 12.2A 2800W 12.2A 2800W DIN12876-Kl.: 1 DIN12876-Kl.: 1 Nominal temp.: 10-100 °C Nominal temp.: 10-100 °C Schutzart DIN EN 60529 - IP 20 1 Type designation... -
Page 13: Applied Directives And Standards
Declaration of conformity You can download the EC declaration of conformity of the unit online under: www.memmert.com/downloads/downloads/ce-statement/#!filters=%7B%7D REACH regulation Under the REACH regulation, Memmert provides the information on the chemical substances in Memmert units online at: www.memmert.com/de/reach-rohs/ Ambient Conditions The unit must only be used in enclosed areas and in the ambient conditions listed below: ■... - Page 14 Construction and Description ■ Sloping lid Optional accessories ■ Flat lid ■ Floor grid ■ Clamps, insert racks and test tube racks Pumping device ■ ■ Factory calibration certificate ■ IQ/OQ document with works test data for units D49019 05/2023...
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Page 15: Delivery, Transport And Setting Up
Delivery, Transport and Setting Up Delivery, Transport and Setting Up Safety WARNING Condensation in the electrical components may cause short circuits. Due to temperature fluctuations during transport, condensation may form inside the unit. – After transporting or storing the unit in humid conditions, remove it from its packaging and allow it to acclimatise for at least 24 hours in normal ambient conditions. -
Page 16: Delivery
Delivery, Transport and Setting Up CAUTION Risk of injury due to the unit falling during transport The unit could fall over and injure you. – If a lid is mounted, do not transport the unit while it is open. – Never tilt the unit and only transport it empty and in the upright position. Delivery ■... -
Page 17: Preconditions
Delivery, Transport and Setting Up CAUTION Fire hazard The surfaces of the unit may overheat during operation and overheat heat-sensitive surfaces in close proximity to the unit. – Always place the unit on a heat-resistant, fireproof and non-flammable surface and –... -
Page 18: Putting Into Operation
Connecting the Unit to the Power Supply NOTICE The unit may only be operated with the original mains cable supplied by Memmert. Other mains cables, especially inadequately rated mains cables, must not be used. When connecting, observe the country-specific regulations (e.g. in Germany DIN VDE 0100 with earth leakage circuit breaker). -
Page 19: Filling
164 mm 40 mm Water specifications Only water with the following specifications may be used in Memmert units: ■ Demineralised water and distilled water (a variety of terms are used commercially for this) that is residue-free when it evaporates, according to regulation VDE 0510 and DIN 43530 ■... -
Page 20: Switching On Unit
Putting into Operation The use of double-distilled water / ultrapure water / other highly purified water (a variety of terms are also commonly used) with an electrical conductance below about < 1 µS/cm must be avoided. The use of such water is not necessary and could damage the unit by corroding metallic components on and in the unit. -
Page 21: Operation And Control
Operation and Control Operation and Control WARNING High temperatures Higher temperatures can result in considerable hazards for users and third parties. – The information on all thermally relevant parameters contained in the data sheets for the materials to be heated must be taken into account in an appropriate manner. NOTICE Operating the unit The unit may only be operated as described in the operating manual. -
Page 22: Customview
Operation and Control CustomView 1. Under the Settings menu item, select CustomView to set up the individual display. 2. Selecting the set temperature, timer time or alarm temperature will activate or deactivate the respective element. 3. Select the set temperature, timer time and alarm temperature. ð... -
Page 23: Values And Unit
Operation and Control Values and Unit Setting the temperature and time Set the individual values by scrolling vertically on the touch display. Enter the temperature for the set value in °C / °F ■ ■ Enter the alarm temperature in °C / °F ■... - Page 24 Operation and Control ■ Cal2: Temperature calibration at high temperature To guarantee perfect control, we recommend calibrating the unit once a year. Calibration procedure In the following example, the temperature calibration is performed for the example temperature of 30 °C: 1. In the Settings menu under unit settings, select CAL to perform the 2-point calibration. 2.
- Page 25 Operation and Control 5. Scroll vertically to set the compensation correction value DEV 1 to 0.0 K. 6. Confirm your selection. 7. Set the unit set temperature to 30 °C. 8. Allow the unit to maintain this set temperature for approx. 1 h. 9.
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Page 26: Malfunctions, Warning And Error Messages
– Contact Memmert International After Sales. If an error occurs in the unit, do not attempt to rectify this yourself; instead you should contact the Memmert customer service department or an authorised customer service point. In case of enquiries, please always state the model and unit number on the nameplate (see }3.6 Nameplate). -
Page 27: Malfunctions, Operating Problems And Unit Errors
Cause Action Temperature sensor error Temperature sensor error Restart appliance ■ ■ If the error persists, contact: service@memmert.com 7.1.2 Malfunctions, Operating Problems and Unit Errors Error description Cause of errors Rectifying errors Displays are dark External power supply was interrupted. -
Page 28: Power Failure
Cause of errors Rectifying errors CRC error (internal memory error) Restart appliance ■ ■ If the error persists, contact: service@memmert.com Shaking device blocking protection ■ Switch off appliance Check shaking device for loads that ■ may have fallen out or become stuck ■... -
Page 29: Maintenance And Servicing
Maintenance and Servicing Maintenance and Servicing DANGER Live parts When covers are removed, live parts are exposed and contact with these parts may result in electric shock. Electric shock can have serious health consequences including death. – Only authorised persons may carry out electrical installation work. –... -
Page 30: Decontamination
6.6 Calibration). See also 2 Calibration [} 23] Repairs and Service NOTICE Repairs and service work may only be carried out by Memmert employees and qualified service providers. NOTICE Repairs and service work are described in a separate service manual. D49019 05/2023... -
Page 31: Storage And Disposal
Storage and Disposal Storage and Disposal Storage The unit may only be stored under the following conditions: ■ in a dry enclosed, dust-free room ■ disconnected from the power supply Empty waterbath before storing. Disposal This product is subject to Directive 2012/19/EC on Waste Electrical and Electronic Equipment (WEEE) of the European Parliament and EU Council of Ministers. - Page 32 Operating manual WTB Waterbath D49019 Effective 05/2023 English...
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