1. You must be quick when welding the motor leads, otherwise the high temperature will damage the motor. 2. When there is large air flow through the pump, the noise is louder. Do not block the inlet and outlet of the air pump to avoid affecting the life of the motor 3. The gas pump cannot work in an inflammable and explosive atmosphere without any treatment; when pumping harmful gas, the customer The entire pump must be resealed to ensure human safety. If it is used for explosion protection, the voltage should be as low as possible, and Plus current overload protection. 4. Foreign matter shall not fall into the air nozzle, otherwise the micropump will be damaged! The pump will work incorrectly or be damaged. 5. It cannot be used to extract oily fume gas samples, if it is necessary to extract. It is best to filter or clean the pump in time after pumping Diaphragm. 6. When the pump pumps a large amount of dust-containing gas, it is best to add a filter at the front of the air inlet. so as not to create a vacuum