AirCheckup™ Kits

AC20 ISA-71.04 corrosive gas indicator.

Copper corrosion indicator darkens when exposed to corrosive gases. Permanently records air contamination events caused by smoke, inadequate ventilation, renovation work and improper maintenance procedures.


  • Credit card size with 25mm (1 inch) indicator.
  • Simply stick to a surface to start monitoring.
  • Monitors air quality for up to one year.
  • Comprehensive laboratory report (optional).

Kit Price: US$24.95

Kit contents: 1 air quality indicator card, instructions and postage paid return mailer for optional laboratory processing. Flat rate worldwide shipping per order: US$9.95. Orders are shipped registered airmail with tracking.

View Kit Instructions »

Typical ISA-71.04 installation sites:

Optional laboratory report:

Report serves as a legal document when measuring air quality or assessing insurance damages caused by contamination events. One or more of the following tests can be ordered when sending the sampler for laboratory processing:

# Available Lab Tests Units Price US$
1 Copper reactivity corresponding to standard ISA-71.04. View Report Angstroms/30 Days $14.95
2 Organic contamination (including microbes). View Report μg/cm2 $14.95
3 Inorganic contamination (including chlorides). View Report μg/cm2 $14.95
4 pH (acidic & caustic substances). View Report pH $14.95