Sunday, 15 October 2017

Occupany & Vacancy Sensors

Occupancy & vacancy sensors are small devices designed to detect the presence of a person in a room and accordingly adjust the physical space to the optimal state. These sensors control light, shade and temperature depending on the presence of people, time of day and general weather conditions. Not only is this unique technological invention trendy and appealing due to the lack of effort required to operate the various installments in a room but it is also an ecologically friendly and cost efficient investment.


Now let's see how these sensors have a positive impact of your finances and the environment. From a young age we are told to turn off lights and fans when we leave the room, but how many of us actually remember to do this? Now, it might seems like this is not a large enough concern for many but when we think about centrally air-conditioned spaces where we spend most of our time such as offices, malls, restaurants do you really think about asking someone to turn the temperature of the AC down or turn of the lights when you leave the bathroom? These costs that where always considered fixed are what occupancy and vacancy sensors attempt to reduce, not to mention the positive environmental impact! The occupancy and vacancy sensor can even play a impactful role in residential situations. The light sensors can prove to be crucial in housed with small children to ensure safety, during the evenings and at night, as well as responsible use of electricity. Let's admit it. Children never turn off the light! 



While Occupancy sensors have been around for some time, what has changed is the way they operate and the technology they adopt. For e.g the earlier motion sensors worked on  passive IR Technology where in a major motion was required between the various IR rays emitted by the sensor- for the sensor to detect presence. While these worked fine with places such as hallways and pantry areas, they failed where the motion was very small- such as when a person occupies the office or uses the bathroom. The latest technology sensors are able to detect even minor motion and hence will generally not turn the lights off when you are sitting still and working on your lap top (say). In fact this ability to detect even minor motion could be the main reason for pricing differences, in addition to the sensor coverage areas and the technology they use to function.


Anusha Technovision offers the Radio Power occupancy Wireless sensor through its partnership with Lutron which is equipped with the best technology within the occupancy and vacancy sensor market at the moment complete with daylight sensing ability – for homes as well as for commercial office spaces. These sensors can be stand alone or part of a larger Lighting control system. When they are part of the lighting control system they can be made intelligent  for e.g a home owner could decide that his bathroom lights should turn on every time he walks into the bath room but it should happen only at night time , and in day time he has to manually turn lights on. The sensor of course turns lights off when the bathroom is unoccupied.  “Occupancy sensors can be called the foot soldiers in the fight to conserve energy.” As per Alok Hada Director ATPL.

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