Sensor package that monitors usage of various humanitarian technologies.
The SWEETSense sensor technology package combines commercially available front-end sensors with a comparator circuit board that samples at a high rate and relays logged data events directly to the internet via GSM or Wi-Fi.
Data processing and visualization is provided via a supporting, internet-based software program, SWEETData.
The SWEETSense technology can be customized for specific applications including remote monitoring of water, sanitation, energy, infrastructure solutions or other applications. Remote monitoring via distributed in-situ sensors provides evidence to help inform the sector and public on the impacts of aid projects, and the on-going challenges.
Watch a video of field applications of the technology.
SWEETSense has been used in 12 countries, including: Somalia, Ethiopia and Ethiopia.
SWEETSense implements the technology for applications in water, sanitation energy and infrastructure.
Portland State University commercializes SWEETSense technologies through the Portland State SweetLab spin-out.
From 100 USD up to several thousands of dollars. Price depends on the application, since they have a wide variety of sensors.Interview with representative
Goal 6: Clean water and sanitation
The SWEETSense technology aims to serve governments, non-governmental organizations (NGO) and government funded humanitarian aid agencies involved in funding and deploying technologies to underserved communities such as water filtration, latrines, wash stations, cook stoves and other similar products.
Produced on order by SweetSense Inc.
The technology is patent protected, SWEETSense is Trademarked.
1,500 units have been deployed to date. There are contracts for several thousand additional units. Interview with representative
The SWEETSense™ Technology combines commercially available front-end sensors, selected for specific applications including water treatment, cookstove, sanitation, infrastructure or other applications, with a comparator circuit board that samples these sensors. The comparator boards monitor the sensors for trigger threshold events that start and end periodic local data logging. The stored events are coded to reduce the amount of data and the amount of energy required for transmission. The measurements are relayed directly to the internet via GSM or Wi-Fi. If there is no internet connection, all of the data is stored on an SD storage card. Data processing is enabled on the internet-based software program SweetData.
The SweetSense package includes:
• 15 sensor inputs – 8 contact, 7 analog to digital
• 5 AA batteries
• SD card backup
The SweetSense standard package measures 12 cm x 8 cm x 4 cm
Provided by SweetLab
Replaceable AA batteries used to power the device
Batteries have a 6-18 month expected lifespan. No warranty information.
- 1 – 8 Hz sampling rate
- Battery level reporting
- Wifi or cellular network reporting
- Remote auto calibration
The sensors for water were used successfully in 90.2% of the cases in the three villages where it was implemented.
SWEETData, SweetSense Inc.’s software, is necessary to view the data collected by the SWEETSense technology.
Barstow, C., Ngabo, F., Rosa, G., Majorin, F., Boisson, S., Clasen, T., Thomas, E., 2014, Designing and Piloting a Large-Scale Project to Provide Water Filters and Improved Cookstoves in Rwanda, PLOS One, 9.
Rosa, G., Majorin, F., Boisson, S., Barstow, C., Johnson, M., Kirby, M., Ngabo, F., Binagwaho, A., Thomas, E., Clasen, T., 2014, Assessing the Impact of Water Filters and Improved Cookstoves on Drinking Water Quality and Household Air Pollution: A Randomised Controlled Trial in Rwanda, PLoS ONE 9(3).
Thomas, E., Barstow, C., Rosa, G., Majorin, F., Clasen, T., 2013, Use of Remotely Reporting Electronic Sensors for Assessing Use of Water Filters and Cookstoves in Rwanda, Publmed.gov, 45(23), pp. 13602-10
Thomas, E., Zumr, Z., Barstow, C., Fleming, M., Spiller, K., 2013, Remotely Accessible and Reconfigurable In-Situ Instrumentation to Improve Monitoring of Global Development Interventions, Sustainability, 5(8), pp. 3288-3301.
Thomas, E., Mattson, K., 2013, Using Innovative Technologies to Measure Behavior Change in Public Health Programs, Mercy Corps.
Thomas, E., Zumr, Z., Barstow, C., Linden, K., 2011, Proving Sustainability: The International Development Monitoring Initiative, IEEE Global Humanitarian Technology Conference, Technology for the Benefit of Humanity, Seattle WA.
SweetSenseTM conducted extensive field trials that were verified for accuracy in the lab by comparing observed events to sensor detected events.
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