Introduction: Dust in the workplace, sampling of toxic and harmful gases, applicable to environmental protection, health, labor, safety supervision, military, scientific research and other departments. Using the standard GB / T 17061-1997 "workplace air sampling equipment technical specifications" HJ2.2-2008 "Environmental Impact Assessment Technical Guide Atmospheric Environment" Technical characteristics 1 original flow control algorithm, a small flow of stability, no fluctuations; 2-point micro-flow sensor, high flow accuracy; 3 built-in rechargeable high-energy lithium battery, the battery is fully charged continuous working time is more than 5 hours; 4 Chinese large-size dot matrix liquid crystal display; 5 a multi-purpose machine, with filters, activated carbon tubes, solution absorption and other sampling functions; 6 imported diaphragm pump, constant current sampling 7 with triangular bracket, sampling height adjustable; 8 portable, small size, light weight; 9 can be equally spaced sampling, sampling time and interval set arbitrarily. Power-down protection, the system automatically memory power-down Time, power outages continue to sample calls; 10 Automatic measurement of atmospheric pressure, and at the same time according to pressure, temperature conversion standard volume. Technical Parameters: Sampling rate Parameter Range: (0.5 ~ 5.5) L / min Resolution: 0.01L / min Accuracy: better than ± 5% 2. Atmospheric pressure Parameter Range: (80 ~ 106) kPa Resolution: 0.01kPa Accuracy: better than ± 5% 3. Operating temperature: (-20 ~ +50) ℃ Filter clip diameter: standard Ф40 filter (can be customized according to customer needs) Data storage capacity: ≥100 group Battery working time: ≥5 hours Instrument noise: <65dB (A) Weight: about 1.5kg Machine size (W × D × H) mm: 140 × 65 × 260 Power: external 12V 2A DC power supply or built-in lithium battery Power consumption: <20W
Introduction: Dust in the workplace, sampling of toxic and harmful gases, applicable to environmental protection, health, labor, safety supervision, military, scientific research and other departments. Using the standard GB / T 17061-1997 "workplace air sampling equipment technical specifications" HJ2.2-2008 "Environmental Impact Assessment Technical Guide Atmospheric Environment"
