Ammonia concentration detector, gas detector, gas leak detector The concentration of ammonia in atmosphere Human physiological reaction
510ppm Le nez peut être conscient de l'odeur.
20 ppm Aware of the special smell of ammonia.
40ppm A few people feel mild stimulation of eye.
100ppm Quelques minutes d'exposition causées par des effets oculaires et nasaux assez stimulants
400ppm Cause throat, nasal cavity and upper respiratory tract acute stimulation.
700ppm Exposure for more than thirty minutes may cause permanent damage to the eye.
1700ppm Severe cough, wheeze thirty minutes can be fatal.
5000ppm Severe pulmonary edema disease, a moment can be fatal asphyxia.
