Wiggens WH220-HT Operating Manual
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Wiggens WH220-HT Operating Manual

Digital hot plate / stirrer
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OPERATING MANUAL
Digital Hot Plate / Stirrer
WH220-HT
WIGGENS GmbH
Gässlesweg 22-24, 75334 Straubenhardt,
Germany
Tel.: 0049 7248 4529088
Wiggens Co., Ltd.
Room 426, Hall A, Office Building M8, No.1
Jiuxianqiao East Road, Chaoyang District,
Beijing 100015, China
Tel: +86 400-809-2068
Fax: +86 400-809-2068-112
info@ wiggens.com
www.wiggens.com
1.220.0330.20-V2.1

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  • Page 1 Digital Hot Plate / Stirrer WH220-HT WIGGENS GmbH Gässlesweg 22-24, 75334 Straubenhardt, Germany Tel.: 0049 7248 4529088 Wiggens Co., Ltd. Room 426, Hall A, Office Building M8, No.1 Jiuxianqiao East Road, Chaoyang District, Beijing 100015, China Tel: +86 400-809-2068 Fax: +86 400-809-2068-112 info@ wiggens.com...
  • Page 2 Congratulations! You have made an excellent choice. WIGGENS thanks you for the trust you have placed in us. This operating manual has been designed to help you gain an understanding of the operation and possible applications of our instruments. For optimal utilization of all functions, we recommend that you thoroughly study this manual prior to beginning operation.

  • Page 3: Table Of Contents

    WIGGENS WH220-HT Content 1. Intended Use ............................5 2. Operator Responsibility ......................... 5 2.1. Disposal ............................ 6 2.2. CE Conformity ........................... 6 2.3. Technical Specifications ......................7 3. Safety Instructions ..........................8 3.1. Explanation of Safety Notes ....................... 8 3.2. For Your Protection ........................9 3.3.
  • Page 4 Operating Manual 7.3. Stir Bar and Retriever Examples ....................27 8. Service ............................... 29 8.1. Trouble-Shooting ........................29 8.2. Warranty ..........................29 8.3. Contact /Technical Service ....................... 30...

  • Page 5: Intended Use

    1. Intended Use The WH220-HT is a magnetic stirrer with heating function with the purpose to control the temperature of a solution and to reach equal temperatures at each point inside the solution. The WH220-HT features an accurate and stable heating capacity and a unique liquid drainage above the control board in order to prevent liquids from accessing the system.

  • Page 6: Disposal

    Operating Manual 2.1. Disposal At the end of its service life the instrument is to be disposed of in accordance with the local regulations specified for the disposal of electronic industry waste in an environmentally friendly manner. 2.2. CE Conformity The products described in the operating instructions conform to the requirements of the following European guidelines: Low voltage regulations with respect to legal harmonization of the member countries concerning...

  • Page 7: Technical Specifications

    Order Numbers as stated on the product label and box label are stated as Full Order Numbers (FON), consisting of the BON followed by the ONA. For a full explanation of the ONA of your product, please ask your local WIGGENS support or refer to the Order Number WIGGENS Guide in the General Catalog.

  • Page 8: Safety Instructions

    Operating Manual 3. Safety Instructions 3.1. Explanation of Safety Notes In addition to the safety warnings listed, warnings are posted throughout the operating manual. These warnings are designated by an exclamation mark inside an equilateral triangle. “Warning of a dangerous situation (Attention! Please follow the documentation).”...

  • Page 9: For Your Protection

    WIGGENS WH220-HT 3.2. For Your Protection  Make sure you read and understand all instructions and safety precautions listed in this manual before installing or operating your instrument.  Keep the operation instructions in a place where they can be accessed by everyone.
  • Page 10  Caution! Only process and heat up any media that has a flash point higher than the adjusted safe temperature limit that has been set 550℃(WH220-HT).  The safe temperature limit must always be set to at least 25℃lower than the fire point of the media used.

  • Page 11: For Protection Of The Equipment

    WIGGENS WH220-HT 3.3. For protection of the equipment  You have received a product designed for industrial and experimental use. Nevertheless, avoid strikes to the housing, vibrations, damage to the operating-element panel, and contamination.  Make sure that the mains power supply has low impedance to avoid any negative effects on instruments being operated on the same mains.

  • Page 12: Installation

    Operating Manual 4.2. Installation 4.2.1. Installing the Digital Hot Plate / Stirrer Place the hot plate/ stirrer on a stable, flat surface and proper environment for operation.  If a PT100 temperature sensor package was ordered:  Install the sensor holder into the screw inlet on the back of the hot plate / stirrer ...
  • Page 13 WIGGENS WH220-HT  Connect the PT100 temperature sensor cable to the corresponding connector in the back of the hot plate / stirrer  Connect the stirrer to the power supply. The power supply voltage, frequency and current are respectively AC 108V~125V、60Hz、10A.

  • Page 14: The Dimensions Of The Digital Hot Plates/Stirrer

    Operating Manual 4.2.2. The dimensions of the digital hot plates/stirrer （after connect PT100Teperature sensor） 48.5c 24cm 24.5c CAUTION!  Do not use voltages that are higher or lower than 10% of the voltage specified on the label, which is on the backside of the instrument. Keep the power cord and temperature sensor cable off of the hot plate while heating.

  • Page 15: Operation

    WIGGENS WH220-HT 4.3. Operation 4.3.1. Overview of the Hot Plate / Stirrer Description PT100 Temp. Sensor Heating Zone LED Digit Display Operation Panel Instrument Housing Boss Head Clamp Installation Stand...

  • Page 16: Indicators And Functional Elements

    Operating Manual 4.3.2. Indicators and Functional Elements Icon Description POWER Indicates if the power switch is turned on or off START Indicates if either the hot plate or stirring or both are turned on Indicates if there is an error occurring. If the ALARM indicator is on it is ALARM complemented by an alarm sound.

  • Page 17: Operation Of The Hot Plate/Stirrer Without A Temperature Sensor

    WIGGENS WH220-HT 4.3.3. Operation of the Hot Plate/Stirrer without a Temperature Sensor 1.Switching the Hot Plate/Stirrer on  Plug in the power cord and turn on the main power switch  Switch the hot plate / stirrer on by pressing the main switch on the right side of the instrument.
  • Page 18 Operating Manual Note!  The temperature / stirring speed can be adjusted during operation  Press the SELECT Button to change the current display during operation CAUTION!  Residual heat! Do not touch the heating zone!  Risk of overheating! Do not pull out the mains plug! ...

  • Page 19: Operation Of The Hot Plate/Stirrer Without A Temperature Sensor

    WIGGENS WH220-HT 4.3.4. Operation of the Hot Plate/Stirrer without a Temperature Sensor Note! In contrast to operation without temperature sensor, the laboratory hot plate now features:  Automatic temperature control instead of fixed heating temperature controlled by the heating power.

  • Page 20: Pt100 Temperature Sensor Calibration

    Operating Manual 4.4. PT100 Temperature Sensor Calibration The PT100 temperature sensor can be connected to measure and control the heated liquid temperature. The sensor has been initially calibrated in the factory. If the measured temperature is slightly different from the temperature standard you are using, a follow-up calibration is also possible with the following steps.
  • Page 21 WIGGENS WH220-HT thermometer)  Wait for the temperature to reach and equilibrium  refer to the shows value on third-party thermometer and press the Up Button and Down Button to set the value of S2  now the display shows its corresponding AD read value of S2(e.g. The e.g.

  • Page 22: The Usb Interface

    Operating Manual 4.5. The USB interface The instrument can be connected to a PC through the COM port which is using the USB connection, it can be plugged directly to the PC’s available USB connection. 1. We provide USB port COM port driver and installation instructions, the drive can be downloaded from the following address.
  • Page 23 WIGGENS WH220-HT temperature ℉ unit Current setting status # stop status start When the alarm will be sent to the following information alarm status # Internal temperature exceeds the upper limit Control temperature over-temperature Motor speed anomaly Safety temperature overrun...

  • Page 24: Cleaning And Maintenance

    5.1. Routine Cleaning The device is maintenance-free. Cleaning For cleaning disconnect the main plug. Only use cleansing agents which have been recommended by WIGGENS Use to remove: Dyes isopropyl alcohol Construction materials isopropyl alcohol/water containing surfactant Cosmetics isopropyl alcohol/water containing surfactant...

  • Page 25: Maintenance

    WIGGENS WH220-HT 5.2. Maintenance WIGGENS Do not attempt to service or repair a hot plate/stirrer. If the hot plate/stirrer housing is opened the warranty WIGGENS becomes void. Contact for return authorization and return instructions. Ordering spare parts When ordering spare parts, please give:...

  • Page 26: Accessories And Spare Parts

    PT100 Temperature Sensor, Type VI PT100-06 Admissible temperature: -30 ~ +300°C Holder and clamp for PT100 temperature sensor; Holder for Temperature Sensor PT100-05 Suitable for WH240-HT /WH220-PLUS/WH220-HT 7.2 Silicone Protective Cover Model Description Order No. Material: Silicone, square hole on the top surface...

  • Page 27: Stir Bar And Retriever Examples

    WIGGENS WH220-HT 7.3. Stir Bar and Retriever Examples Model Description Order No. Model Description Order No. Cylindrical Stirrer 001.110.6 Test Tube Wings 001.2201.1 Bars Plain Stir Bars 001.210.6 Cross-Shaped Stir Bars 001.2401 Crosshead Stirrer Octahedral Stir Bars 001.513-R/B/Y 001.1110 Magnets(Double Sided)
  • Page 28 Operating Manual Double Ended Stir 001.1335-R/B/ Stir Bar Sets (18 Bars) 001.3003 Bars (Colored) Rare Earth ‘Turbo’ Stir Triangular Stir Bars 001.412 001.2610.RE Bars Ribbed Triangular Stir 001.1812 Stir Bar Retrievers 004.150 Bars For more information about Accessories please contact your local supplier CAUTION！...

  • Page 29: Service

    WIGGENS WH220-HT 8. Service 8.1. Trouble-Shooting Cause Remedy 1. Ensure that the mains electricity plug is plugged into a working socket outlet and check if the main switch is in the “on” position. After switching on the unit, the 2. Open the fuse holder of the power cord, which you can find at the back of the display shows no light and the instrument.

  • Page 30: Contact /Technical Service

    Please repack the device appropriately for transport and send to Instruments together with the Confirmation of condition of unit. Our contact details WIGGENS GmbH Add：Gässlesweg 22-24, 75334 Straubenhardt, Germany Tel.: 0049 7248 4529088 WIGGENS China Room 426, Hall A, Office Building M8, No.1 Jiuxianqiao East Road, Chaoyang District, Beijing 100015, China...
  • Page 31 WIGGENS WH220-HT Confirmation of condition of unit WIGGENS In the case of repair, copy and complete the Conformation of condition of unit and send it to Instruments. 1. Details about the unit Product number Serial number Reason for repair 2. Has the device been cleaned, decontaminated/sterilized? 3.
  • Page 32 Operating Manual WIGGENS GmbH Gässlesweg 22-24, 75334 Straubenhardt, Germany Tel.: 0049 7248 4529088 WIGGENS China Room 426, Hall A, Office Building M8, No.1 Jiuxianqiao East Road, Chaoyang District, Beijing 100015, China Tel: +86 400-809-2068 Fax: +86 400-809-2068-112 info@ wiggens.com www.wiggens.com...

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