Accredited calibration
Comet SLU009 is the calibration certificate for each additional temperature probe
Comet SLU001 is the accredited temperature calibration certificate.
Comet SLU003 is the accredited temperature and humidity calibration certificate.
Comet SLU006 is the accredited air pressure calibration certificate
Comet SLU015 is the accredited CO2 calibration certificate.