Brief introduction: ZR - 7000 beta PM2.5 tester using beta radiation absorption principle of automatic measure and record the concentration of PM2.5 in the air. With the traditional weighing method of equivalent. Automatic instrument by microcomputer monitoring and management, long-term continuous monitoring of PM2.5 concentrations in the ambient air. Apply to environmental monitoring and scientific research institutes, labor insurance and health departments. Features: 1. Beta ray absorption principle of directly measuring quality of PM2.5, not affected by particle physical and chemical properties; 2. The scintillator photomultiplier tubes, count, high accuracy; 3. Using high performance embedded system for data acquisition and processing, real-time, stable and reliable is strong; 4. Reliable transmission type paper, paper feed uniform and reliable, high repeat positioning accuracy; 5. 5 inches color LCD touch screen, operation interface in both Chinese and English; 6. The electronic flowmeter, constant current sampling, flow control accuracy is high; 7. The USB interface support U disk data transfer; Support serial printing; 8. Each roll of tape can be collected about 800 data samples; 9. Every mechanical components and photoelectric sensor has a corresponding test program, high reliability; 10. Fault detection and alarm function. Technical parameters: Weighing: 0 ~ 10 mg/m3 Sampling flow: 16.7 L/min Atmosphere: (60 ~ 110 kPa) Temperature: - 20 ~ 80 ℃ Relative humidity: (0 ~ 100) % RH New glass fiber filter paper tape: environmental protection material, the use of 2 months time Beta source: C - 14, 60 mu Ci (2.22 x Beq), has a half-life of 5730 years Beta tester: scintillator photomultiplier tubes Calibration method: standard film Standard membrane reproducibility: 2% or less Data storage: 10000 sets Working power supply: AC 220 v + 10% for 50 hz W * D * H: host size (480 * 400 * 400) mm The weight: about 37 kg Power consumption: < 240 W
Brief introduction: ZR - 7000 beta PM2.5 tester using beta radiation absorption principle of automatic measure and record the concentration of PM2.5 in the air. With the traditional weighing method of equivalent. Automatic instrument by microcomputer monitoring and management, long-term continuous monitoring of PM2.5 concentrations in the ambient air. Apply to environmental monitoring and scientific research institutes, labor insurance and health departments.
