Thread: Air monitoring Diffusion/Pump
10-19-2013, 06:36 PM #1
Air monitoring Diffusion/Pump
Does anyone have any links to literature/white papers concerning air monitoring using diffusion vs. pump, especially as it pertains to confined space. Using the pump would seem to be better but at the expense of battery life when monitoring must last for several hours. Also share any insights you may have.
To clarify what I mean. Our air monitor has a passive air adapter and also a pump adapter for air sampling.
Last edited by MichaelXYZ; 10-19-2013 at 07:08 PM.
11-20-2013, 03:36 PM #2
- Join Date
- Oct 2002
- Port Allen, LA
You definitely want to go for the pump instead of diffusion in a confined space. It picks up much quicker and depending on which brand/model you have, battery life should be 12 to 14 hours of continuous running. I use a Honeywell Impact Pro with both a rechargeable battery pack and a AA cell pack. Both go on the job with me and I take at least 2 of our 3 monitors in case of a problem with one. I also take the Enforcer calibration unit and do all my calibrations on site before testing the atmosphere.
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