1. Product introduction

It is a special instrument for collecting various harmful gases in living room, environment, sanitation and epidemic prevention, occupational disease prevention, industrial and mining enterprises, schools, scientific research and other departments. The instrument has the advantages of high pumping pressure, strong load capacity, small size, AC and DC dual-use, convenient use, accurate timing, and multiple uses in one machine, and is widely praised by domestic and foreign customers.

2. Product parameters

1. Working voltage: DC7.4V (lithium battery) AC220V±10V 50Hz
2. Flow range: 0.1-5L/min
3. Negative suction pressure: >25000Pa
4. Flow rate Accuracy: ±5%
5. Stability: ≤5%
6. Timing accuracy: ±0.1%
7. Working noise: ≦65dB
8. Ambient temperature: -5～40℃
9. Relative humidity: ≦95%
10. Charging Current: 1A
11. Continuous working time: more than 8 hours
12 Dimensions: (205*135*115) mm3
13 Instrument weight: 2.3kg

3. Product features

1. Set sampling time arbitrarily.
2. Sampling end prompt.
3. Display the set working time, current sampling time, battery power and the whole process of charging.
4. Delay sampling time in the middle.