2. Hinds International (HK) Ltd. IAQ Lecture Series VII. Automatic IAQ Profile Monitoring Systems Speaker : Kee-Neng Wai, Ph.D Date : November 4, 2010 Venue : Asia World Expo, Hong Kong

3. Why do we want to monitor Indoor Air Quality (IAQ)? 我們為什麽要監察室內空氣質素 (IAQ)?

4. Our Deteriorating Air Quality

8. What are our IAQ Objectives? 我們的室內空氣質素目標是什麽 ?

9. IAQ Objectives Money Saved 節省金錢 II. Healthy Environment 健康工作環境 IV. Communication & Fair Trade 交流及公平交易 III. Problem Solving 解決問題 I. Energy Saving 節省能源 減少排放

10. How do we manage IAQ? 我們如何管理 IAQ?

12. Where do we start in the design of an automatic IAQ Monitoing System? 我們從何開始計設自動 IAQ 監察系統 ?

13. Guidance Notes of Indoor Air Quality in Hong Kong

14. Comfort Indicators Toxic Gases Carcinogens & BRI IAQ Guidelines ( 指標 ) Formaldehyde ppb <24 <81 Radon Bq/m 3 <150 <200 RSP (PM 10 ) µg/m 3 <20 <180 Airborne Bacteria cfu/m 3 <500 <1,000 Ozone ppb <25 <61 Nitrogen Dioxide ppb <21 <80 TVOC ppb <87 <261 Carbon Monoxide ppm <1.7 <8.7 Parameter Unit Excellent Good Temperature ºC 20 to 25.5 <25.5 Relative Humidity % 40 to 70 <70 Air Movement m/s <0.2 <0.3 Carbon Dioxide ppm <800 <1,000 Recommended NEW Guidelines 20 to 25 40 to 65 <0.3 <800/ <1,200 <100 <20/ <80 <100/ <300 <2.0/ <10 <100 <200 TD 2.5 Particle Numbers Delete

15. The approach we take in our system design. 我們設計 IAQ 監察系統所採用的程序。

17. (6P, 4Day) IAQ Profile – SP1

18. (CO2, 4Day) Profile

19. (Temp, 4Day) Profile

20. (RH, 4Day) Profile

21. (HCHO, 4Day) Profile

23. The Hinds Automatic IAQ Profile Monitoring System 軒時自動 IAQ Profiles 監察系統

25. Schematic IAQ Management Systems