The Effects of Outdoor Source on Pollution Characteristics and Dynamic Changes of Particulate Matter in an Office

Table 1

Measurement parameters and measuring instruments.

Parameters	Instrument	Model	Range	Accuracy
Mass concentration	Intelligent dust detector	DUSTTRAK 8520	0.001–100 mg·m^−3	±0.001 mg·m^−3
Number concentration	Laser particle counter	AEROTRAK 8220	>0.3 μm	±5%