Air sampler to be proposed to customers who make an average number of tests and who want to record data automatically. The transfer takes place via Bluetooth between the sampler and a PC or Laptop equipped with Bluetooth. PC or Laptop should have a dedicated software (BAS.PC). Alternatively data download can be done automatically via Bluetooth on a smartphone or tablet (Android version) and transferred by them via cable to a PC or Laptop. Recharging the battery is done via the power cable connected to the instrument. The sampler is free of any external plug and is IP65 certified. A Customers are the food industry, cosmetics, medical devices, industries that package sterile products for third parties, environmental laboratories, hospitals, etc..