Monday, May 30, 2011

PID Analyzer's Portables Now Can Have Wireless Capability

PID Analyzer's portable analyzers now have wireless capability through Bluetooth. A sending unit is embedded into the analyzer and the receiving unit is plugged into a PC via the RS232 port. The free logging software that comes with our portables has  multichannel (up to 5) logging and is used to collect the data.  The data is graphed and can be saved in comma delimited ASCII format and imported directly into EXCEL. A typical graph of ppb VOC (blue) and ppm CO2 (red) is shown in the graph below:

The graph displays the effect of rain on VOC's (upper) and CO2 (lower) in the outside air for the Model 102+. The Model 102+ was upstairs and the PC was downstairs about 150' away. Another option for wireless on the portables is also available now. This uses a Mica 2 mote from Crossbow and is available an as option. The advantage of the Crossbow includes a longer range (different frequencies) and additional sensor capability such as geographic position sensor (GPS) through an eight channel ADC. Contact PID Analyzers for additional information. A Paper on a Model 102 with wireless and GPS is available here.

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