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Mini Wireless IAQ Profile Monitor

The Mini IAQ Profile system has been designed to give a visual representation of indoor air quality in buildings, as part of the buildings management standards in relation to conditions such as Sick Building Syndrome. Since a great number of units can be networked, the system can show prescise changes in concentration of selected IAQ parameters in various locations over time. The Mini IAQ Profile Monitor system enables the user to control and run several different wireless IAQ sampling units — all communicating together via the sophisticated and reliable ZigBee wireless mesh system. The mesh network system is costeffective, easy to install and simple to use: the nodes which make up the mesh automatically configure the optimal signal route. Other advantages of a wireless mesh system is that it is self healing meaning that the network can still operate even when a node breaks down or a connection goes bad. As a results, a very reliable network is formed. The size of the wireless mesh can be easily extended by simply adding new Mini IAQ Monitor units or even the larger IAQ monitor units, as each one is also a router for it's neighbours.



In areas where no IAQ monitoring is required then dedicated "Repeater" nodes can be used for the same purpose. Power Amplified Wireless Modules are also available, these have more powerful antennae to considerably increase the transmission distance and consequently reducing the need for repeaters and simplifying the network.

The Mini IAQ Unit is able to monitor temperature and humidity as well as up to 3 different IAQ parameters. The Manager PC connects to the mesh network via a special node which is capable of recieving and transmitting information to each IAQ Profile Monitor. The Manager PC can view, run and control the realtime monitoring and data logging of air quality in a bulilding at the click of a button. The PPMonitor software enables the data to be viewed graphically, produce reports and statistical data, run schedules as well as alarm functions and notifications for more effective and economical building management. It is possible to set up an Ethernet Access Point (EAP) to the wireless network which allows the wireless modules to be accessed from any location world-wide via the Internet provided the necessary internet address, firewalls and gateways are enabled on the local network. Sensor Configuration:


The Mini IAQ Profile Monitor incorporates a variety of advanced gas sensor technologies to monitor the target gases including NDIR, PID and Electrochemical and is available in four main configurations, all of which can be networked together.

Configuration 1   Configuration 2   Configuration 3   Configuration 4
Mini Wireless htv   Mini Wireless Sensor   Mini Temp & Humidity   Mini Alarm system

A wireless htv solution, which can be used to monitor airborne formaldehyde levels in a building.

Also provides monitoring of temperature and humidity levels within the area.

Additional relay option to allow control of alarm and air-conditioning systems.



Built in temperature and humidity module, and available with up to 3 IAQ parameter sensors. These include but are not limited to:

  • Nitrogen Dioxide (NO2)
  • Carbon Monoxide (CO)
  • Carbon Dioxide (CO2)
  • Sulphur Dioxide (SO2)
  • Total Volatile Organic Compounds (TVOC's)
  • Ozone (O3)
  • Ammonia (NH3)
  • Methane (CH4)
  • Smoke
  • Motion Sensor

Allows for monitoring of temperature and humidity levels within a building.

Can be networked with other mini wireless units and IAQ monitors on the Zigbee mesh network.








A dedicated wireless system with 3 inbuilt relays to control various outputs such as audible/ visual alarm systems and other third party systems.

Also provides monitoring of temperature and humidity levels within the area.

Can be networked with other mini wireless units and IAQ monitors on the Zigbee mesh network



Instrument Specifications


Mains Powered 12v DC via external DC adaptor with 2.5mm diameter jack plug
Operating Range 0-30oC, 15-90%RH
Dimensions 145mm x 145mm x 55mm (Houses 3 IAQ parameter sensors as well as temperature and humidity)
Easy to Install Simply plug the included USB module into the PC and connect up the power to the IAQ monitor on the wall. The IAQ Monitor Units are easily wall mounted via VESA standard bracket

Built in PPMonitor Wireless exclusive management software for Managment PC

***Requires Windows XP Professional Edition or Windows 7 Professional Edition***

Sampling Rate Up to 3 parameter data values every minute


Zigbee Alliance Mesh Networking System


Low Power 2.4GHz ISM Band Reciever
Different Antennae Options For the different network coverage required
Data Rate 250kbit/s over the air data rate
Channels 16 channels (802.15.4 Channel 11 to 26)
Power +3dBm Output power (+5dB Boost mode)
Sensitivity High sensitivity of -98dBm typical at 1% packet error rate
Memory 128k flash, 5kbytes of SRAM


PPMonitor Software


Screenshots from the Mini wireless Sensor Unit.


Click on the following links to see the PPMonitor software in action
Time Lapse 9am-6pm » Statistical Data and Alarms » Multiple Units and Time Options

Sensor readings taken over a period of two days
Temperature » Humidity » Carbon Dioxide » Carbon Monoxide

IAQ Profile Monitor Case Study


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