It is used to collect air formaldehyde, ammonia, benzene and total volatile organic compound (TVOC) gas. It is used for indoor and outdoor environmental monitoring institutions, occupational health monitoring institutions, industrial and mining enterprises, health and epidemic prevention institutions, and scientific research institutes to collect various toxic and harmful gases Ideal choice.
Characteristics
1. Four-channel automatic constant current sampling, the flow of each channel can be independently set, independent constant current
2. Built-in display backlight, intelligent identification and control, suitable for night work
3. Simultaneous real-time display of sampling flow rate and accumulated volume, and automatic conversion of standard volume
4. Imported membrane pump with low noise and high negative pressure, strong load capacity and long working life
5. Equipped with anti-suction drying bottle to prevent the absorption liquid from sucking backwards
6. Large-capacity data storage, which can store more than or equal to 500 sets of sampled data
7. The instrument comes with a high-capacity lithium electronic rechargeable battery, which can last for a long time and is suitable for continuous operation in the field
8. With intelligent recognition and automatic screen saver function, save power to the greatest extent
9. Portable, small size, light weight, suitable for field mobile or fixed-point sampling
Parameters
◎ Flow range: (0.200-2.000) L/min
◎ Flow accuracy: ≤±2.5%
◎ Flow repeatability: ≤±2%
◎ Flow stability: ≤±3%
◎ Standard status: 0 ℃, 101.325kPa
◎ Continuous work: ≥12h
◎ Sampling negative pressure: ≥ 20Kpa
◎ Ambient temperature: -30~50°C