ammonia detector tube 1 20 ppm

{"cid":"91202321","title":"Kitagawa 105SD Ammonia Gas Detector Tube 1-20 ppm \/ 0.5-10 ppm \/ 0.2-4 ppm","imgUrl":"https:\/\/img.chinax.com\/nimg\/1a\/e4\/4b67e479fa219d719529dd899330-200x200-1.jpg","attrs":{"Price":"US$28\/PC","Brand Name":"Kitagawa","Model Number":"105SD","Minimum Order Quantity":"1","Delivery Time":"1WEEK","Certification":"CE","Supply Ability":"500PCS","Packaging Details":"CARTON","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union","Place of Origin":"JAPAN"}}

{"cid":"91211450","title":"YJJ SP-SGTP-NH3 Electrochemical Portable Single Ammonia Gas Detector Diffusive","imgUrl":"https:\/\/img.chinax.com\/nimg\/36\/29\/d5b53fcabfa376bfd095ed4dd77e-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"YJJ","Model Number":"SP-SGTP-NH3","Minimum Order Quantity":"1","Delivery Time":"5-8 days","Place of Origin":"South Korea","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"2200","Packaging Details":"Box pack","Alarm value":"Low alarm 25ppm, High alarm 35ppm","Alarm method":"90dB buzzer","Protection level":"IP67","Explosion-proof certification":"ATEX \/ IECEx Ex ia IIC T4 Ga","Operating temperature":"-40\u2103 ~ +50\u2103","Operating humidity":"5%~95% RH","Power supply":"3.6V","Size \/ Weight":"54\u00d791\u00d732mm"}}