They can both be found in the Queenstown Lakes District of New Zealand!
Pi and Chemfeed Supply to Location used in Lord of the Rings
The visually stunning landscape of Queenstown Lakes District has played host to the cast and crew of the Lord of the Rings and the Hobbit film franchises, serving as a set location for parts of the film and in the last few months Chemical Feed Solutions Ltd. (who design and build analyzer control packages) have replaced all of the chlorine analyzers in the Queenstown Lakes District in New Zealand with CRIUS® HaloSense residual chlorine analyzers.
Since the completion of the work for Veolia, Mark Parry of Chemical Feed Solutions said of the equipment supplied by Pi:
The CRIUS® HaloSense controllers are a potentiostatic chlorine-amperometric membraned chlorine sensor. This free chlorine sensor has a reduced susceptibility to pH variations and as such provides a very stable online residual chlorine measurement and control instrument. For further details click here.