keep searching and trying harder to understanding the need in the topic. i found some info that i think they are related to my topic
TROLEX - MANUFACTURERS OF GAS MONITORING AND SAFETY EQUIPMENT
produced fixed gas detection systems.Utilising a variety of sensing technologies covering all of the toxic and flammable gases present in arduous environments, their systems are built to save lives and protect valuable plant and machinery.
- TX6114 : pressure sensor - TX6363 : infrared gas detector
http://www.hunterindustries.com/Resources/PDFs/Brochures/Domestic/lit277w.pdf
Mini-Click - detect rainfall to shutdown the sprinkler system. benefits : save water
http://www.hunterindustries.com/Products/Sensors/mwsintro.html
Control irrigation system operation with sensors for wind, rain, and temperature. It is automatic device that can make the decision whether there is too much rain, too much wind or too much cold to do the watering. it will shut down the sprinkler during rain, storm and high wind.
Mini-Click - detect rainfall to shutdown the sprinkler system. benefits : save water
http://www.hunterindustries.com/Products/Sensors/mwsintro.html
Control irrigation system operation with sensors for wind, rain, and temperature. It is automatic device that can make the decision whether there is too much rain, too much wind or too much cold to do the watering. it will shut down the sprinkler during rain, storm and high wind.
