Energy Saving Sensors

Energy Saving Sensors or PIR (Passive Infrared) Motion Sensor is an electronic device which senses the Infrared rays released by the human body. Any electrical appliance if attached to the sensor such as light, fan or alarm can be activated automatically by the active presence of the human body within the detection range and can be deactivated automatically when there is no presence of the human body.

Why to Use

Automatic Light Control

PIR Sensors works well with all electrical appliances and capable of controlling upto 2000W incandescent or 30W X 20 fluorescent of lighting. The appliances attached to the sensor will be active only when there is a presence and motion of human body within the detection range else they will be de-activated or switched off.

Save Energy/Reduce Electricity Costs

PIR Sensors help in saving energy and put the electrical appliance to the right and meaningful use resulting into saving energy and electricity costs.

It has been estimated that a single unit of energy saved at the end point is equal to 2.3 units of energy produced.

PIR motion sensors can be installed to the lights and electrical appliances installed in areas where there is a less use or less frequent use of the same such as

Common passage and staircases | Corridors | Meeting rooms, Conference rooms | Common Toilets for lights and exhaust fans |Stores Areas | Warehouses | Godown | Parking areas | Entrance | Basements | Gardens | Living Rooms | Malls | ATMs and many More |

Security System

PIR Sensors also work as a security deterrent system because they act upon sensing the human body within the range irrespective of day or night. If a PIR sensor attached to an alarm/siren or a light it will activated automatically if anybody jumps or sneaks with its detection range and alerts to the owner and creates panic to the intruder.

It can be installed in the parking area, front or back gate etc.

Energy Saving Sensors – A wise Investment

Putting your money into Energy Saving Sensors is a truly wise investment as it recovers its cost within 3-4 months and provide significant savings over the longer periods.

Energy Misuse At Different Places

As per the general analysis below table shows the common patterns of energy misuse at various places however actual numbers may differ based on multiple factors.

Place Energy Misuse (%)
Office 20-35
Class Room 25-35
Conference/Meeting Room 30-55
Restrooms 30-60
Corridors/Common Passage 40-60
Storage/godown/warehouse 40-60

All the above areas are the opportunity for us to Save Energy

Return on Investment

This section with help us to understand the monetary benefits of installing Energy Saving Sensors at various places and provide an insight on Return on Investment. These calculations are based on the general usage and consumption.

Case-1 Meeting/Conference Room

Energy Saving Calculation for  a Meeting Room
Rating of 1 tube light (Fluorescent)(in Watts) 23
Number of Tube lights in a 6 Pax Meeting/Conference  room 8
Total Wattage 184
Without Sensor With Sensor
Average Running Hours per day 12 6
Total consumption per day (watts) 2208 1104
Total KW per day 2.208 1.104
Total KW Consumed per month per room 66.24 33.12
Energy Cost (Rs 8/unit) 529.92 264.96
Monthly Saving on 1 meeting room 264.96
Yearly Saving on 1 Meeting room 3179.52
Average Cost of 1 Sensor 1400
Return on Investment for installing 1 sensor in 6 Pax meeting room (In Months) 5.28

Case-2 One Room in a Household

Return on Investment Calculator for 1 Room in a House-Hold
Typical Appliances in a room 1 Fan,  1 AC, 2 Tube lights, 1 Bulb (any)
Rating (W) Total Rating (W) Average Running Hours (W/o Sensor) Average Running Hours (with Sensor) Total Usage (W/o Sensor) in KW* Total Usage (With Sensor) in KW*
Rating for 1 Fan 75 75 10 6 0.75 0.45
Tube Light 40 80 8 6 0.64 0.48
AC 1500 1500 10 8 15 12
Bulb 20 20 12 6 0.24 0.12
Energy Consumption 16.63 13.05
Energy Saving Per Day/Per Room (KW) 3.58 Cost Saving per room/per month (considering Rs. 6 per unit) (INR) 644.4
Monthly Saving (KW) 107.4
Average Cost of a Sensor 1400.00
Return on Investment In Less than 3 months

Case-3 Using 1 Sensor on full load

An average Sensor can manage up to 1200 W load. If we put all the electrical appliances up to 1200 W on a single sensor the ROI will be achieved in less than 3 months.

Return on Investment Calculator for 1 sensor on full load
Power capacity of the total connected electricity load on 1 Sensor (includes all the appliances up to 1200 watts) 1200
Without Sensor With Sensor
Average Operational hours 12 9
Total consumption per day (W) 14400 10800
Total Consumption per day (KW) 14.4 10.8
Total consumption per month 432 324
Cost of Energy (Average) Rs. 6 per unit 2592 1944
Total Saving per month on each sensor with 1200 W load 648
Average Cost of the sensor 1400
Return on  Investment for installing 1 sensor and putting 1200 W Load 2.16 Month
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Useful For Main Entrance, Toilet, Pantry, Stairways/Lifts/Lobby, corridors,  Covered Parking Area, Locker Rooms/Trial Rooms, ATMs etc.

360 Ceiling Mount PIR Motion Sensor

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Useful  For Office Cabins, Conference/Meeting Rooms, Meeting Halls, Corridors, ATMs etc.

Flush Type Microwave Motion Sensor

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Useful  For Parking area / Terrace

Outdoor PIR Motion Sensor

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Useful For Main Entrance, Toilet, Pantry, Stairways/Lifts/Lobby, corridors,  Covered Parking Area, Locker Rooms/Trial Rooms, ATMs etc.

Wall Mount PIR Motion Sensor

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Useful  For Office Cabins, Conference/Meeting Rooms, Meeting Halls, Corridors, ATMs etc.

Ceiling Mount Occupancy Sensor

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Useful  For Main Entrance, Toilet, Pantry, Stairways/Lifts/Lobby, corridors,  Covered Parking Area, Locker Rooms/Trial Rooms, ATMs etc.

PIR Motion Sensor

grassy-service
Useful for Office cabins, Meeting halls / Conference rooms, Basement / ATMs, Store Room/Corridor etc.

Microwave Motion Sensor

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Useful  For Office Cabins, Conference/Meeting Rooms, Meeting Halls, Corridors, ATMs etc.

360 Ceiling Mount Occupancy Sensor

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Useful  For Office Cabins, Rest Rooms, Lockers, Stairways, Lifts, Main Entrance etc.

Flush Mount Wall Switch

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Useful  For Conference Rooms, Meeting Halls, Offices, Stores, ATM/Malls, Locker Rooms/Basements, Corridors etc.

Microwave PIR Motion Sensor

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