o-Dichlorobenzene Gas Tube 2.5-300 ppm

Full Measuring Range: 2.5-300 ppm Sampling Time: 3 min Shelf life: 3

o-Cresol Gas Tube 0.4-62.5 ppm

Full Measuring Range: 0.4-62.5 ppm Sampling Time: 1.5 - 6 min Shelf life: 2 (in the refrigerator)

Nitrogen Oxides Gas Tube 5-625 ppm

Full Measuring Range: 5-625 ppm Sampling Time: 30 sec - 1.5 min Shelf life: 2

Nitrogen Oxides Gas Tube 0.04-16.5 ppm

Full Measuring Range: 0.04-16.5 ppm Sampling Time: 2 -16 min Shelf life: 3

Nitrogen Oxides Gas Tube 50-2500 ppm

Full Measuring Range: 50-2500 ppm Sampling Time: 1.5 min Shelf life: 2

Nitrogen Oxides Gas Tube 0.02-2 ppm

Full Measuring Range: 0.02-2 ppm Sampling Time: 2 - 5 min Shelf life: 3

Nitrogen Oxides Gas Tube 2.5-200 ppm

Full Measuring Range: 2.5-200 ppm Sampling Time: 45 sec - 1.5 min Shelf life: 3

Nitrogen Dioxide Gas Tube 0.01-3 ppm

Full Measuring Range: 0.01-3 ppm Sampling Time: 1 to 24 hours Shelf life: 1 (in the refrigerator)

Nitrogen Dioxide Gas Tube 0.1-30 ppm

Full Measuring Range: 0.1-30 ppm Sampling Time: 1 to 10 hours Shelf life: 1 (in the refrigerator)

Nitrogen Dioxide Gas Tube 0.5-125 ppm

Full Measuring Range: 0.5-125 ppm Sampling Time:  30 sec - 1 min Shelf life: 3

Nitro Compounds Gas Tube 0.5-30 ppm

Full Measuring Range: 0.5-30 ppm Sampling Time:  2 min Shelf life: 3

Nitric Acid Gas Tube 0.1-40 ppm

Full Measuring Range: 0.1-40 ppm Sampling Time:  30 sec - 5 min Shelf life: 3