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Infrared radiation is a type of electromagnetic radiation, as are radio waves, ultraviolet radiation, X-rays and microwaves. Infrared (IR) light is the part of the EM spectrum that people encounter most in everyday life, although much of it goes unnoticed. It is invisible to human eyes, but people can feel it as heat.

IR radiation is one of the three ways heat is transferred from one place to another, the other two being convection and conduction. Everything with a temperature above about 5 degrees Kelvin (minus 450 degrees Fahrenheit or minus 268 degrees Celsius) emits IR radiation.

A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors.

All objects with a temperature above absolute zero emit heat energy in the form of radiation. Usually this radiation isn’t visible to the human eye because it radiates at infrared wavelengths, but it can be detected by electronic devices designed for such a purpose.

The term passive in this instance refers to the fact that PIR devices do not generate or radiate any energy for detection purposes. They work entirely by detecting the energy given off by other objects.PIR sensors don’t detect or measure “heat”; instead they detect the infrared radiation emitted or reflected from an object.

When the sensor is idle, both slots detect the same amount of IR, the ambient amount radiated from the room or walls or outdoors. When a warm body like a human or animal passes by, it first intercepts one half of the PIR sensor, which causes a positive differential change between the two halves.

This is a false alarm waiting to happen — a PIR sensor won’t catch a human through glass, but it could be fooled by a car headlight or concentrated burst of sun. … Motion sensors have blind spots. For example, a PIR sensor might not detect something that is moving in a straight line directly toward it.

Yes, 1 LEAP products are energy saving products. Installing our energy saving products (Sensors) helps you to save energy by switching off the lights when the space is not in use. Installing 1 LEAP Sensors can help in saving up to 60% of energy.

Most of people prefer to install sensor products to save energy and as a result they can reduce energy cost. For equipment’s connected to sensors approximately up to 60 % electricity can be saved. Sensors also provide convenience for hands free lighting.

  • Common toilets for Lights & Exhaust fans
  • Common staircase / Entrance / Basements/
  • Parking areas / Garden Lights/terrace
  • Pantry, balcony
  • Living room,
  • Malls, ATM’S
  • Changing rooms in shops
  • Offices / Conference Room
  • Corridors & many more!

You can connect any lighting source like CFL, Led, tube light, Incandescent , Halogen, fans, sirens  etc. But do follow the load requirement –  Operating Volt: AC 220-250V 50Hz-60Hz., Load power: Up to 300W/1200W  ( 300W for power saving lights like CFL, LED and 1200W for incandescent)

PIR Motion Sensors will itself recover its cost by reducing your electricity bills and will further save your electricity cost for the future.

  • Very easy installation (DIY), can be installed by in – house technician.
  • No separate wiring required hence no additional installation cost.
  • No modification is required and complies with current aesthetics.
  • Payback within approx. ten months according to residential meter and approx. six months according to the commercial meter.

No. These sensor has no specific safety requirement and even children can use it.

Apart from helping in reducing your electricity bills, these sensors can be used for security purpose also, especially Microwave Motion Sensors are  best suited for home and office security.

Installing sensors in sensitive areas, and connecting them either with light or siren can deter any intruder, sensor detection data can also be sent to a central monitoring system

Yes installing our sensors is very easy, even your in-house technician can install these sensors, to guide you with installation all our products comes with an instruction manual, with do’s & don’ts and installation methods along with circuit diagram

As per our on field experience we have observed energy savings up to approx. 60%* for the connected load, thus helping you drastically cut down on your monthly electricity bills.

Microwave sensors emit microwave pulses and then measure their reflection off of objects, in order to tell whether or not those objects are moving. These are also very sensitive, but they can sometimes “see through” nonmetallic objects and so might detect moving things outside of the target range.

Some motion detectors combine different sensor types in order to reduce false alarms. However, dual sensors are only triggered when both types detect motion. For example, a dual PIR/Microwave sensor will start out on the PIR setting, because that takes less energy. When the PIR is tripped, the microwave part will turn on; then, if the microwave is ALSO tripped, the alarm will sound. This “double trigger” is great for avoiding false alarms.

Microwave sensors have better sensitivity compared to PIR sensors, PIR sensors are easily affected by temperatures any rise in temp. above 30 deg, reduces its efficiency, but this is not the case with microwave sensors. If something as thin as a paper is put on the lens of PIR sensor it might not work properly, but microwave sensors can even sense through thin materials like wood, glass, even through metals. PIR (Passive Infra-Red) presence detectors detect body heat and movement and are ideally suited for smaller spaces or where a defined detection pattern is required

Microwave presence detectors are very sensitive to movement and are ideal for large spaces and areas that have an awkward shape or where fine motion detection is required.
Microwave detectors have a much greater coverage and higher sensitivity and can detect movement through glass. Careful consideration needs to be given to the location of microwave sensors.

Photocells [photo resistors, LDR (light dependent resistor)] are sensors that allow you to detect light. They are small, inexpensive, consume very low-power, easy to use and don’t wear out.

Photocells act as light sensors. … For example, you might want a sensor that detects when a flashlight is on, or when the sun is out. Photocells are used in automatic night lights and in street lamps that turn themselves on at night. Sometimes known as photoresistors

Occupancy sensors use both PIR & Ultrasonic technology  to detect the presence or absence of occupants in a space.

PIR sensors detect occupants’ presence by sensing the difference between heat emitted by moving people and background heat. Ultrasonic sensors detect the presence of people by sending out ultrasonic sound waves into a space and measuring the speed at which they return. They look for frequency changes caused by a moving person.

PIR sensors require a direct line of sight between the sensor and occupants in a space. Because of this requirement, the sensor’s coverage can be strictly defined. Ultrasonic sensors cover the entire space and do not need a line of sight. As a result, they can detect people behind obstacles. They also are more sensitive to minor motions, such as hand movements.