Technical data 
 Parameter range extended range precision resolution response time 
 O2 0 ~ 25 Vol.% Range extension if all the sensors, precision: 
 ± 0.1 Vol.% (0 ~ 4.99 Vol.%) 
 ± 0.5 Vol.% (5 ~ 25 Vol.%) 
 ± 0.2 Vol.% 0.01Vol.% T90 <20 s 
 CO (H2 compensated) 0 ~ 10000 ppm range 700 ~ 50000 ppm (dilution alone, slot 2) 
 Range 700 ~ 20000 ppm (dilution of all sensors) 
 Accuracy: ± 10% measured value () ± 10 ppm or ± 10% measured value (0 ~ 200 ppm) 
 ± 20 ppm or ± 5% measured value (201 ~ 2000 ppm) 
 ± 10% measured value (2001 ~ 10000 ppm) 
 1 ppm t90 <40 s 
 Low-range CO (H2 compensated) 0 ~ 500 ppm range 500 ~ 2500 ppm (dilution alone, slot 2) 
 Range 500 ~ 1000 ppm (dilution of all sensors) 
 Accuracy: ± 10% measured value () ± 2 ppm (0 ~ 39.9ppm) 
 ± 5% measured value (remaining range) 
 0.1 ppm t90 <40 s 
 NO 0 ~ 3000 ppm range 500 ~ 6000 ppm (dilution of all sensors) 
 Accuracy: ± 10% measured value ± 5 ppm (0 ~ 99 ppm) 
 ± 5% measured value (100 ~ 1999 ppm) 
 ± 10% measured value (2000 ~ 3000 ppm) 1 ppm t90 <30 s 
 NO low range of 0 ~ 300 ppm range 300 ~ 600 ppm (all sensors diluted) 
 Accuracy: ± 10% measured value ± 2 ppm (0 ~ 39.9 ppm) 
 ± 5% measured value (remaining range) 
 0.1ppm t90 <30 s 
 NO2 0 ~ 500 ppm range 200 ~ 2500 ppm (dilution alone, slot 2) 
 Range 200 ~ 1000 ppm (dilution of all sensors) 
 Accuracy: ± 10% measured value 
 ± 10 ppm (0 ~ 199 ppm) 
 ± 5% measured value (remaining range) 
 0.1ppm t90 <40 s 
 SO2 
 0 ~ 5000 ppm range 5000 ~ 25000 ppm (dilution alone, slot 2) 
 Range 5000 ~ 10000 ppm (dilution of all sensors) 
 Accuracy: ± 10% measured value 
 ± 10 ppm (