PI Manual Logger - New Intrinsically Safe Options

Discussion created by rkoonce on Jan 13, 2015
Latest reply on Sep 11, 2015 by Tomas Stark

Hello Everyone,


Recently, during my "googling", I came across intrinsically safe, ruggedized tablets/ tablet cases.


With this thread, I am asking for you fine people to share your own research and hopefully some experiences with these options? Has anyone tried or is in the pursuit of using said devices?


For background, I defer to the experts on wikipedia.org - Electrical equipment in hazardous areas - Wikipedia, the free encyclopedia


Often, people like myself will use the term "intrinsically safe", when referring to Class x Division 2 certified electronic devices, mostly because it takes the complex detailed specification and reduces it to 6 syllables. And further complicating the landscape is terminology and labeling required in various regions of the world... sigh. Fortunately, "plant protection" or the "safety department" for most companies specify what is acceptable (and in which areas of the plant), documenting this in purchasing specifications and standard operating procedures, etc. But it comes down to just how dangerous is a spark can be in a specific area and just how unlikely it is that the device will generate one. In some cases/ areas we gladly switch to "ol' reliable" - pencil and paper.


Class I, Div. 2 - Where ignitable concentrations of flammable gases, vapors, or liquids are present within the atmosphere under abnormal operating conditions.

The expense of getting devices tested and certified are quite significant, driving the cost of these devices to be exponentially higher than the same device that is not certified.

So, with the background for this discussion out of the way, I would like to thank you in advance for any experiences/ research/ knowledge that you can share with all of our friends here.