Min. Order Reference FOB Price
2 Pieces US$399.65-998.25 / Piece
Product Description
NH3 Portable gas detector with Electrochemical Gas Sensor >>>Effects of Various NH3 Levels Ammonia Level in PPM Resulting Conditions on Humans 0-25 Minor irritation of the eyes and respiratory tract. 25 Permissible Exposure Limit (OSHA). 50-100 Swelling of the eyelids, conjunctivitis, ...