5. It can be used in conjunction with various liquid absorption bottles, activated carbon tubes, silicone tubes, gas collection bags, and various solid detection tubes.

6. Equipped with a Φ 25mm micro sampling head and an impact pre collector, it can collect harmful dust and respiratory dust (RSP) in the air.
7. Compatible with AC and DC, 9V regulated power supply, with functions such as operation, undervoltage, charging, automatic and manual prompts.
Technical parameters:
1. Flow range: 0.1-1 L/min, 0.1-1.5 L/min, 0.1-3 L/min, 0.1-4 L/min, 0.1-5 L/min
2. Rated flow: ≥ 1.5 L/min (at 5200 Pa)
3. Negative suction pressure: ≥ 26000 Pa
4. Constant current accuracy:< ±1.5%
5. Flow meter accuracy:<2.5 level
6. Traffic stability: ≤ ±5%
7. Environmental atmospheric pressure: 80 KPa to 110 KPa
8. Timing range: 8 settings (microcontroller intelligent control)
9. Timing error: ≤ ±0.1‰
10. Work noise: ≤ 50 dB（A）
11. Working status: intermittent or continuous work
12. Continuous time:> 360 min
13. Working conditions:- 5℃～45℃
14. Relative humidity:< 85%
15. Storage temperature:- 30℃～55℃
16. Working power supply: AC 220V 50Hz DC 7.2V～9V
17. Charging current: 180 mA (standard type)
18. Dimensions: 128 × 88 × 45 (mm3)
19. Instrument weight: 0.4 kg (excluding battery pack)
20. Instrument type: Non explosion proof type

(Tenth line)
Sales Department 1, please dial 801#
Sales Department 2, please dial 802#
Sales Department 3, please dial 803#

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