The airtightness testing of outdoor lighting fixtures uses compressed air as the testing medium and pressure drop testing method for sealing testing. This device has an internal space of only 1.5cc and is equipped with a high-sensitivity pressure sensor, providing a better environment for detection and achieving high-precision detection conditions.
When the tested lamp has an inflation hole, it directly supplies gas to the product inflation hole. After a certain period of time, the gas supply source is cut off, and the pressure sensor inside the instrument is used to monitor the pressure change of the product after inflation; If the product does not have an inflation hole, a mold is designed to wrap the product, and then the mold is used to quantitatively inflate the surface of the product, cutting off the gas source. The pressure sensor in the internal instrument department is used to monitor the pressure change of the product after inflation to detect the IP protection level of the lamp.
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