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PASSIVE INFRARED SENSOR

Sr.no. For Staircases Residential meter Construction meter
W/o PIR With PIR W/o PIR With PIR


1

2

3

4

5

6

7

8


Cost of electricity per kw in Rs.

Operational hours of passage tube lights

Power consumtion of 40 watt tubelight

Total consumtion in watts

Number of days

Total power used by one tubelight in kw

Amount paid per month

Savings per month per tube light


4.5

12

57

684

30

20.52

92


4.5

3

57

171

30

5.13

23

69


8.5

12

57

684

30

20.52

174


8.5

3

57

171

30

5.13

43

131

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