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FAQs Frequently Asked Questions About our Products and Solutions

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All FAQs (1685 total: showing 1461-1480)

  • Can standard polyethylene tubing be used for an AP200?
  • Does the tubing for an AP200 have to be bought from Campbell Scientific?
  • What is the recommended tubing for an AP200?
  • Why will the tubing not go into the ¼ in. fitting on a regulator?
  • Can someone from Campbell Scientific come to a site and install an AP200 system?
  • How are Swagelok tubing connections made for an AP200 or CPEC200?
  • What is a Bowen ratio, and can an AP200 measure it?
  • Can the AP200 be used with chambers?
  • Can the AP200 be used to measure horizontal advection?
  • Why does the AP200 require an ambient pressure measurement for the H2O span, but not for the zero or CO2 span?
  • Why would CAL_TIMEOFFSET ever be set to a non-zero value?
  • How long does it take for the reading to stabilize during an H2O span for an AP200?
  • Why is the AP200 not able to do an automated H2O span?
  • Should the AP200 set the IRGA zero/span or just measure the zero/span?
  • Do both zero and CO2 span have to be done on an AP200, or can just a zero be done?
  • How often should zero/span be performed on an AP200?
  • If greater precision than what the LI-840A can provide is desired, can another analyzer, such as the LI-7000, be used instead?
  • If water vapor measurements are not needed, can the LI-820 be used instead of an LI-840A?
  • Can an LI-840 be used instead of an LI-840A?
  • Can an already purchased LI-840A be used in an AP200? If so, what is necessary to install it and set it up?
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