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Sampling method: Isokinetic sampling+membrane filtration

Analysis method: X-ray fluorescence method (refer to EPA IO-3.3)

Monitoring elements: Pb (lead), Cd (cadmium), Hg (mercury), As (arsenic), Cr (chromium), Cu (copper) and other heavy metals

Sampling flow rate: 0~5L/min (adjustable)

Detection range: 0.1~2000 μ g/m3

Detection limit: 0.1 μ g/m3

Zero drift: ≤± 10 (% FS/24h)

Full range drift: ≤± 10 (% FS/24h)

Linearity: correlation coefficient>0.999

Accuracy: ≤± 10%

Communication interfaces: RS232, RS485, GPRS, Ethernet

Filter membrane cycle: 3 months (measuring 8 samples per day)

Environmental temperature: (-10~50) ℃

Environmental humidity: (0%~90%) RH (no condensation)

Environmental pressure: (86~116) kPa

Size: 1800 x 600 x 800 mm (HxWxD) (Host)

Weight: Approximately 60 kg (monitoring system)

Power supply: 220 (1 ± 10%) V AC, (50 ± 1) Hz, 600 W

Supporting facilities: Customize sampling tubes according to on-site working conditions and select a constant temperature analysis cabin.

FUNCTION

Data input monitoring and conversion function, real-time display of concentration measurement values of Pb (lead), Cd (cadmium), Hg (mercury), As (arsenic), Cr (chromium), Cu (copper), etc. on the screen, display real-time data of process variables and equipment operation status, and have the function of making tables and printing daily, monthly, and annual reports according to environmental standards.

The storage and retrieval function of data, hardware can store minute data reports, hour data reports, daily reports, monthly reports, system alarm records, and system operation records for no less than 10 years, and can retrieve monitoring data at any time point and reports at any time period.

The monitoring parameter setting function can set the alarm upper and lower limits for each measurement data, and can set the alarm meanings represented by the parameters and data input switch values related to the (4~20) mA analog input quantity. The system has multi-level management permissions and can set management permissions and login passwords as needed.