The difference between dust sampler and dust detector-Chemical Instrument Network

Dust samplerIt is the separation and sampling of respiratory dust and coarse dust that are harmful to the human body, which is the prelude to laboratory testing.
Dust DetectorIt is based on the principles of light scattering and electrostatic induction. Utilize the dynamic charge induction between dust particles passing through the probe to generate a signal. The communication electrostatic technology determines the disturbance amount of the AC signal by monitoring the standard deviation of the charge signal, and determines the dust emission amount based on the magnitude of the instantaneous disturbance amount. Can directly output results.
Dust DetectorThe technical indicators include:
1. Large screen LCD display with Chinese character menu prompts
2. Equipped with replaceable particle cutters
3. Direct reading of dust mass concentration (mg/m3)
4. Measurement time: The standard time is 1 minute, with 0.1 minute and adjustable time range (sampling time can be set arbitrarily)
5. Detection sensitivity: 0.01mg/m3; 0.001mg/m3
6. Repetitive error: ± 2
7. Measurement accuracy: ± 10%
8. Measurement range: 0.01-100mg/m3; 0.001～10mg/m3
9. The instrument has passed metrological certification and has a "License for Manufacturing Measuring Instruments". Configure 40mm filter membrane online sampler
The technical parameters of the dust sampler are:
1. Sampling vacuum degree: ≥ 15000Pa
2. Accuracy: better than ± 5%
3. Sampling time control accuracy: better than ± 0.1%
4. External dimensions
5. Working temperature and humidity: -25-45 ℃, ≤ 85%
6. Continuous working time: ≥ 180 minutes
7. Flow range: 5-30L/min; 3-30L/min； -15L/min
8. Working voltage: 10VDC
9. Noise: ≤ 60dB
10. Charging time: ≤ 5 hours
Thus it can be seen,Dust samplerandDust DetectorThe functions are different,Dust samplerThe main function is to sample and separate harmful dust, but further analysis is needed to determine the specific data of harmful dust;Dust DetectorIt is an instrument that analyzes and studies dust in the air through light scattering and electrostatic induction, and can directly obtain results. The two have different functions and sometimes have slightly different application fields.