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Probe domestic switch needle KG-300K needle head diameter is 3.0mm normally open switch needle
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Manufacturers produce direct sales LED lamp bead patch lighting products 0805 white light super bright indicator light dedicated
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When using, you must first add water to the water tank, then turn on the power, then turn the temperature selection switch to the setting end, adjust the temperature selection knob, observe the digital reading and set the required temperature value (accurate to 0.1 °C). When the set temperature value exceeds the water temperature, the heating indicator lights up, indicating that the heater has started to work. At this time, the selection switch is turned to the measuring end, and the digital display shows the actual water temperature. When the water temperature reaches the water temperature you need, the constant temperature indicator lights up and the heating indicator is illuminated. The light goes out. At this time, the heater stops working. Since the water in the water tank is stationary, there is a certain difference between the water temperature and the upper and lower sides. It needs to be heated, and the water temperature can be constant after the constant temperature conversion.
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