Measurement Method: NDIR measurement of dry base xCO2 in marine air
Manufacturer: Kimoto Electric Co., Osaka, Japan.
Model: MOG-701 using LI-7000 CO2 Analyzer by LI-COR
Frequency: 10sec (except during calibration routines)
Accuracy of CO2 Air: 0.1ppm
Precision of CO2 Air: 0.01ppm
CO2 Sensor Calibration:
Introducing CO2 standards to NIDR every 6 hours (10min each standard, 40 min. total) for air.
Manufacturer of CO2 calibration gases:
Taiyo Nippon Sanso Corporation, Japan. All of the standard gases are certified by NIES laboratory as WMO traceable standards.
CO2 gas concentrations are approximately 360, 380, 400, 420ppm for air.