inhalable dust sampler

Inhalable dust sampler technical parameters:

inhalable dust sampler is designed for inhaling dust and provides a simple method for dust sampling and analysis in coal mines.

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

2.Sampling flow error: ≤±3%FS

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

4.Load capacity: ≥200Pa

5.Continuous working time: ≥100min

6.Working noise: ≤75dB(A)

7.Flowmeter accuracy: not less than level 2.5.

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

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

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

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

12.Explosion-proof type: Intrinsically safe ExibI (150℃), suitable for flammable and explosive workplaces and underground sampling of coal mines.

13.Intrinsic safe battery pack: It adopts Ni-H nickel-hydrogen battery with 2.7A/h, 6 units, and 4 current limiting resistors of 0.51Ω/10W in series.It is potted with epoxy resin and placed in the battery box.The rated voltage Ue: 7.2V; its maximum output voltage U0: 9.0V; its maximum output current I0: 4.52A.

14.Dimensions: 149×202×80 (mm)

15.Weight ≤1.75Kg

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

17.Ambient atmospheric pressure: 80KPa~110KPa underground coal mines containing gas or coal dust explosion hazard

18.Dust collection range: total dust, respiratory dust.