Turn on the power and turn on the power switch. Set the required temperature (normally 37°C), preheat the heating center seat, after the heating indicator light goes out, add the test tube with the required heating temperature to the solution, insert it into the heating hole from above, and the solution will reach a constant temperature state after about 10 minutes .

Temperature and time setting:

Press the SET key for the first time to set the temperature. At this time, the upper row of digital tubes displays SP, and the lower row of digital tubes flashes, indicating that the meter has entered the temperature setting state. Press the △ key to increase or press the ▽ key to decrease the lower temperature setting. Set the value, press the SET button again, the upper row of the meter displays ST, the lower row of digital tube data flashes, indicating that it has entered the time setting state, press the △ key to increase or press the ▽ key to decrease the lower row of time setting values, and press again SET key the instrument returns to normal working state. The temperature and time are set.