Technical Advantages:
1. Long-term operation, single roll of filter paper can last for one month;
2. Natural environment background compensation;
3. with continuous work and intermittent sampling two working modes;
4. intelligent design, set parameter setting, sampling, measurement, display, data storage, alarm, communication in one.

Application Field:
Border defense, trains, airports, subways. It is mainly used for the monitoring of α/β aerosol in the workplace, including the production and decommissioning of nuclear facilities, nuclear power plants, radioactive source manufacturing, industrial safety, nuclear accident protection, environmental protection and scientific research.