inhalable dust sampler

Inhalable dust sampler technical parameters:

1.Sampling flow rate: 5-30 L/min, 5-25 L/min, 10-25 L/min, 1-10 L/min (flow rate optional) Respirable dust sampling flow rate: 20 L/min

2.Sampling flow error: ≤±3%FS

3.Sampling flow stability: sampling flow stability of the sampler within 60 minutes ≤ 3.0% FS

4.Load capacity: ≥200Pa

5.Continuous working time: ≥100min

6.Working noise: ≤75dB(A)

7.Flow meter accuracy: not less than level 2.5.

8.Sampling time error: ≤±0.1% within 5 minutes

9.Average flow rate at sampling port: 0.5～4.0m/s

10.Air tightness: The sampling head and flow meter of the sampler are kept under a pressure difference of (1000-1100) Pa for 1 minute, and the pressure change shall not exceed 100 Pa.

11.Ambient temperature: -10～40℃ Relative humidity: ≤95%

12.Explosion-proof type: Mining intrinsically safe type ExibI (150°C), suitable for flammable and explosive workplaces and underground sampling in coal mines.

13.Intrinsically safe battery pack: Use Ni-H nickel-metal hydride batteries 2.7A/h, 6 cells, 4 0.51Ω/10W current limiting resistors in series, encapsulated with epoxy resin and placed in the battery box, rated voltage Ue: 7.2V; its maximum output voltage U0: 9.0V; maximum output current I0: 4.52A.

14.Overall dimensions: 149×202×80 (mm)

15.Weight ≤ 1.75Kg

16.Ambient temperature: 0～40℃ Relative humidity: ≤95%

17.Ambient atmospheric pressure: 80KPa~110KPa Underground coal mines with gas or coal dust explosion hazards

18.Dust collection scope: all dust and respirable dust.