ADM Stocking Hytronik PIR & Microwave Motion Sensors for Lighting

Microwave and PIR motion sensors

ADM stocks the Hytronik range of PIR & Microwave motion sensors for use in intelligent lighting control applications.  

You can browse our product range by clicking on the following link: 

Hytronik Intelligent Lighting Control 

Our range includes the following types of sensor: 

  • PIR Sensors (Passive infrared) 

  • Microwave Sensors 

  • Combined PIR & Microwave Sensors (Dual Sense) 

Each type of sensor offers different benefits and the one that you use will depend mainly on the application at hand. 

PIR (Passive Infrared Sensors) 

PIR sensors are good for detecting motion moving from left to right across the sensor’s field.  

They sensors do not pick up motion on the other side of walls or other physical objects. They tend not to pick up motion from an object that doesn’t have a heat source. They can also be falsely triggered by a heat source, such as an air conditioner, smoke, etc. 

The following diagram depicts the typical behaviour of a PIR only type sensor: 

Behaviour of  PIR  sensor

Microwave Motion Sensors 

Microwave motion sensors are sensitive to radial movement. This means that they are much better at picking up motion that is moving towards, and away from the sensor.  

They are very sensitive to minor motion, and the microwave signal can be reflected by objects allowing them to cover a larger area.  

Microwave sensors are not triggered by heat sources.  

However, they can sense objects moving on the other side of a wall and they may be falsely triggered by the microwaves being reflected back off of metal surfaces.  

Behaviour of microwave motion sensors

Combined PIR & Microwave Sensors 

Combined PIR & Microwave motion sensors allow you to make the most of both worlds.  

Using a DIP switch on the sensor you can set the sensor to operate in one of four modes: 

  1. Microwave detection only 

  1. PIR detection only 

  1. Microwave & PIR detection 

  1. Microwave or PIR detection 

Settings on a combined PIR and microwave sensor

When the third option is selected, there must be positive detection of motion by both the PIR and Microwave sensors, as well as insufficient light for the sensor to react.  This eliminates false triggers that can occur, for example, in a warehouse environment with narrow aisles where someone moving in an adjacent aisle will trigger the sensor in an empty aisle.    

Using a Dual Sense occupancy sensor in this situation will reduce needless energy costs. 

Sensor Control Options 

As well as simple on/off models, Hytronik also offer a range of microwave motion sensors with integrated control technology, which enables them to be used in both 1-10VDC and DALI based lighting control systems. 

Sensors are also available for specific applications such as daylight harvesting and smart corridor lighting. 

Hytronik’s range of sensors and controllers give you a straightforward solution for delivering a wide range of smart and intelligent lighting control solutions, which reduce energy costs and deliver LED lighting systems that have a lower impact on our environment. 

Hytronik’s intelligent lighting control solutions can be easily used in conjunction with many of MEAN WELL’s and Power Source’s LED drivers to provide a highly reliable and efficient LED lighting solution. 

For further information on Hytronik products call ADM on 1300 236 467. A member of our expert team will gladly answer any questions that you may have. 

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1 November 2019