Measurement parameters: PM2.5 concentration

Unit:μg/m3

examination range

0~ 1000 μg/m3

Resolution: 1μg/m3

Accuracy:±10%F.S (25°C)

①Analog signal (0 -2/5/10V or 4-20mA)

output signal

②RS485 (standard Modbus-RTU protocol, device default address: 01)

③SDI-12 (American Hydrological Organization Serial Data Communication Interface Protocol)

Supply voltage:12-24V DC

Working environment: Temperature: -30°C~50°C; Humidity: <100%RH

Storage temperature:-40°C~60°C

Temperature drift: 0.2%F.S/°C

Average current: 50mA@7V; 35mA@12V; 20mA@24V

Stability: ≤2%F.S

Repeatability: ≤1%F.S

Preheating time: 3min

Response time:<90s