They are used most effectively in spaces that are often unoccupied, including some offices, warehouses, storerooms, restrooms, loading docks, corridors, stairwells, office lounges, and conference rooms. Open-plan office spaces, where one or more people may be moving in and out throughout the course of the workday, are not good candidates for occupancy sensors.
For Residential Meter
Without PIR Motion Sensor
With PIR Motion Sensor
Power capacity of one 2*36 tube light in watt
Operational hours of corridor/parking area tube lights
Total consumption in watts per day
Number of days in a month
Total power used by one tube light in kw
25920W = 25.92 KW
8640W = 8 6 KW
Cost of electricity per kw in QAR
Amount paid per month @ QAR .15 per unit
Savings per month per 100 tube light fixtures.
For higher wattage Electrical Appliances the saving will be much more accordingly.