Photonic Sensors, Volume. 6, Issue 2, 107(2016)
A Low-Cost, Portable Optical Sensing System With Wireless Communication Compatible of Real-Time and Remote Detection of Dissolved Ammonia
A low-cost and portable optical chemical sensor based ammonia sensing system that is capable of detecting dissolved ammonia up to 5 ppm is presented. In the system, an optical chemical sensor is designed and fabricated for sensing dissolved ammonia concentrations. The sensor uses eosin as the fluorescence dye which is immobilized on the glass substrate by a gas-permeable protection layer. A compact module is developed to hold the optical components, and a battery powered micro-controller system is designed to read out and process the data measured. The system operates without the requirement of laboratory instruments that makes it cost effective and highly portable. Moreover, the calculated results in the system can be transmitted to a PC wirelessly, which allows the remote and real-time monitoring of dissolved ammonia.
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Shijie DENG, William DOHERTY, Michael AP MCAULIFFE, Urszula SALAJ-KOSLA, Liam LEWIS, Guillaume HUYET. A Low-Cost, Portable Optical Sensing System With Wireless Communication Compatible of Real-Time and Remote Detection of Dissolved Ammonia[J]. Photonic Sensors, 2016, 6(2): 107
Category: Regular
Received: Sep. 30, 2015
Accepted: Mar. 8, 2016
Published Online: Oct. 20, 2016
The Author Email: DENG Shijie (shijie.deng@cit.ie)