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How to use the tunnel dryer correctly?

2019-11-25

At present, there are many types of tunnel dryers on the market, and the prices are also very different. The differences are mainly in the choice of materials and protection measures. In terms of standards, most of the durable tunnel dryer materials are imported from the original and domestic first-tier brands. The subsequent production costs will also increase a lot, so you can't just look at the price when buying a tunnel dryer, but also the configuration, standard use, maintenance after use, etc .;

Xiao Bian told you today how to use the tunnel dryer correctly:

1. When all preparations are ready, put the sample in the tunnel dryer, and then connect and turn on the power. The red indicator light is on to indicate that the furnace has been heated. When the temperature reaches the controlled temperature, the red light turns off and the green light turns on. Constant temperature, in order to prevent temperature control failure, you must also take care;

2. Care should be taken not to arrange the test items too densely when placed in the test product. The test product should not be placed on the heat sink to avoid affecting the upward flow of hot air.

3. The blower tunnel dryer must turn on the blower during the heating and constant temperature process, otherwise it will affect the uniformity of the temperature of the working room and damage the heating element;

4. The temperature of the tunnel dryer should not exceed the temperature of the tunnel dryer. It should be placed in a dry and horizontal place in the room to prevent vibration and corrosion;

5. Pay attention to the safe use of electricity, install a sufficient capacity power switch blade according to the power consumption of the tunnel dryer, select sufficient power conductors, and have a good grounding wire;

6. If the tunnel dryer has an electric contact mercury thermometer type thermostat, the two wires of the electric contact thermometer should be connected to the two terminals of the furnace body respectively. Open the hole of the exhaust valve to connect another ordinary Insert the mercury thermometer into the exhaust valve, adjust the electrical contact mercury thermometer to the required temperature, and then tighten the screw on the steel cap to achieve the purpose of constant temperature, but you must not turn the indicator iron outside the scale when adjusting.

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