Details 1 low temperature water bath, cold water bath Technical parameters: Model: DKB heating power: 1000 W Temperature range: 0 ~ 100 ℃ Temperature accuracy: ± 0.1 ℃ Temperature uniformity: ± 0.5 ℃ Power supply voltage: AC220V ± 10% working size : 400 * 400 * 300mm pump flow: 6L / min 2, low temperature water bath to use: Before use, please read the instructions carefully, be familiar with the instrument and control panel section, measuring the power plug with megger, grounding if there is poor insulation or short circuit situation. The method of setting the temperature set by the experimental temperature until after constant temperature, you can start the experiment. The constant heating solution quality, the best use of distilled water, prohibit the use of river water and hard water, if using tap water, you should after each use, once heated pot cleaning, to prevent the accumulation of scale and the impact on the heater thermostat Sensitivity 3, low temperature water bath set temperature: press the SET button to set or check the temperature set point. Press the SET button starts flashing digital character, that instrument into setting mode, press the △ button to increase the set value, press ▽ key to reduce the set value, press △ key or ▽ key data is rapidly changing, again press SET key instrument to return to normal working condition temperature setting is completed, it can turn the heating and circulation pump switch. (If the temperature controller is smart, then attach the thermostat manual). 4, low temperature water bath maintenance: adjuster as repair and replacement of heating pipes, as long as remove the cover plate on the controller, can be replaced, electrical parts should be looking for professional or return the factory maintenance. Our one-year warranty from the date of the product from the factory, lifetime maintenance. More low-temperature water bath product details: www.82300496.com/ Other Recommendations: www.82300496.com/mxyq2014-Products-18558368/ glass water bath www.82300496.com/mxyq2014-Products-18543007/ constant temperature oil bath