The specific steps of using Ronghua HDM electric heating mantle are as follows:
The lard varieties of electric heating mantle series products include: electronic temperature regulation type and intelligent temperature control type. Its temperature control methods are also different, and the products range from low-grade to high-grade, which is suitable for the majority of users to choose freely.
1. Electronic temperature control type (HDM-B type): It is a main product of the electric heating mantle series developed by our company. "Development project" has won the bid for many times, and this product has been selected as the preferred product in the "equipment of laboratory equipment" project aided by the Ministry of Foreign Trade and Economic Cooperation for many times. This product adopts a professional non-shock electronic voltage regulation circuit, which has the advantages of longer service life and wider temperature regulation range than mechanical temperature regulation for temperature control. When using, turn on the power switch, then turn the temperature adjustment knob clockwise, the voltmeter will display the working voltage at the same time, gradually increase the temperature according to the temperature you need, after reaching the required temperature, turn the adjustment knob counterclockwise to make it reach constant temperature the goal of.
2. Digital display intelligent temperature control type (HDM-C type): It is a new replacement product of the electric heating mantle launched by the company. The shell is made of cold-rolled steel plate, and the surface is electrostatically sprayed. Dual sensor temperature measurement. Large heating area, fast heating, uniform temperature, precise temperature control, corrosion resistance, beautiful appearance, convenient operation, safety and reliability, good use effect and so on.
3. This electric heating mantle is equipped with two sensors for temperature measurement, which are designed at the back of the box shell, and plugged into the "built-in sensor" plug to measure the temperature of the built-in sensor and measure the temperature of the board surface. Unplug the "built-in sensor" plug, replace the "external sensor" plug, put the external sensor into the material to be measured, and measure the temperature of the material.
4. How to use the smart meter:

SET: function key minus key plus key
OUT: master control output indicator
PV: Measured value display window
SV: Set value display window
1. Turn on the power, turn on the power switch, and the upper row of the instrument will display the temperature of the working room. The lower display shows the set temperature. Then press the SET key to make the upper row display SO, press ▲ or ▼ to set the desired temperature, and then press the SET key to save the set value. At this time, the temperature rise starts, and the OUT indicator light flickers on and off. When the displayed value is basically consistent with the set value, it enters the constant temperature state.
2. Instrument self-tuning function:
Press the ▼ key for 5 seconds, the AT light will flash at the beginning of the self-tuning, and the AT light will go out after the self-tuning is completed, and a set of PID parameters that can overcome overheating is obtained. During the auto-tuning process, after pressing the ▼ key for 5 seconds, the AT light goes out, the auto-tuning stops, and the instrument is controlled according to the original PID parameters.
3. Time function:
Press the ▲ key for 10 seconds, the total power-on time will be displayed in minutes, and it will automatically recover after 5 seconds.
4. Set the timer function:
Press SET key for 10 seconds, the second menu appears. The upper row of the instrument displays the time and minutes set by the lower row of TI. When the time required by the meter is up, the lower display will go out and the output function will stop. If you want to restore the set control time, you should first turn off the power and then turn on the power. When it is set to 0, the meter cancels the timing function and outputs continuously.
1. Since the surface of the glass fiber is coated with grease, the temperature should be raised slowly when using it for the first time. Turn off the power after seeing white smoke, and turn on the power to heat up after the smoke is scattered. Repeat several times until the power is on and there is no smoke before it can be officially used.
2. No flammable, explosive or corrosive liquid or gas can enter the heating mantle. The relative working environment humidity of the electric heating mantle does not exceed 85%.
3. This product must be grounded, and it must be kept dry and kept away from moisture. If it is wet, you should pay attention to the induction electricity when using it, and don't touch it with your hands. It can restore its good insulation performance after it dries.