PS-170/20-1.0 is a light-weight, self-propelled air-sampling device designed and manufactured by Jonex. It is capable of sampling ambient air particles, with a concentration range of 0.2 to 20 µm in diameter. The device has a sampling flow rate of 32.5 liters/min, and can measure both volatile and non-volatile particles. It is equipped with a high-performance fan, a particle size-selective impactor, and an optional filter holder. The device features a user-friendly LCD monitor, reliable data storage and analysis functions, as well as a long lasting battery life. It is also designed to be ergonomic, allowing for easy portability and flexible deployment.