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witeg Labortechnik GmbH, WB Precise Water Bath
15
To set the device in wet or dusty places could cause overheating, short circuits or fires.
Do not use this device in areas with potentially explosive atmosphere.
3 Positioning the device and commissioning
1. Follow especially the safety instructions marked with following symbol:
2. Remove the package carefully.
3. If there are any unexpected transport damages, please inform your forwarder and your
customer service.
4. Remove perhaps soiling and package material.
5. Set the protection switch 20 - 30 °C over desired water temperature otherwise the
heating coil does not work.
6. Fill enough distilled water in.
7. Before you connect the device with the electrical outlet, please let some time laps until
the device is acclimatised.
8. Make sure that you follow all safety instructions.
9. Connect the device with the power outlet.
10. Switch the device on and start the process (look at job description).
4 Product description
4.1 Key features
The
W
isd
WB Precise Water Bath
is designed for chemical, biological, medical and
pharmaceutical applications. Because of its long life and simplest usage it is more and more
integrating in modern laboratories.
Key features are as follows:
Simplest operating by patented combination of MODE button and Jog-Shuttle knob.
Fast commissioning.
Long life by simply and solid construction.
Highest temperature accuracy by digital fuzzy controller.
Temperature and delay time showed on illuminated LCD.
Storage function for set time and temperature values.
Turn-off and turn-on delay from one minute up to over 99 hours in one minute steps
adjustable.
Signal sound after end of turn-off delay.
Easy to justify.
Key lock against inadvertent changing of set speed and timer values.
Over temperature protection by safety switch.
4.2 General survey
The functionality of the described components is the same at each type of the
WB
-series. Only
the position may differ from type to type.