DS-21BI type mine dust sampler petrochemical dedicated

DS-21B I-type dust sampler DS-21B I-type dust sampler 21B is a DS on the basis of upgrade products, advanced chip technology to replace the traditional plug-in circuit, the instrument not only increases the time range and greatly increase sampling stability is one of the most cost-effective instrument Double Air Road sampler, sampling can be performed in parallel. Parallel sampling distance of 10cm, in line with the regulatory requirements of air sampling. The instrument is characterized by large flow, and stable and can be used to collect dust and respirable dust whole. The instrument has a timing control, time display, battery voltage monitoring and other functions, easy to use and reliable. The sampler can be widely applied in air quality monitoring metallurgy, mining, petrochemical, building materials and other industries. 1. The main technical parameters of the sample flow 3-25L / min (dual) precision 2.5 meter suction vacuum ≥1800Pa time range l-99 hours (by second) timing accuracy of ± 0.1% Power supply 12VDC (Built-in Ni-Cd battery pack or external battery pack) Sampling time> 3 hours Charger input voltage 220V / 50HZ charged with a constant current of 400mA 2. Works sampling by the sampling head, flow meters, suction pump and a control circuit. Dust in the air under the suction pump action is captured dust filter. Meter and timer setting the sampling flow rate and time, membrane weight gain by the balance that out, to calculate the concentration of dust. 3, complete sets of equipment 1. Sampling host 1 2. The sampling head 2 3. Sampling clip 2 4. Box 5. The power line filter 2 1 1 7. 6. Tripod 8. Manual 1 Certificate 1 Warranty Card 1 10. 9. aluminum box 1