precise laser methane detector with etlm 50 certification

{"cid":"91200158","title":"Portable Remote 50 Meters Laser Methane Detector Ch4 Leak","imgUrl":"https:\/\/img.chinax.com\/nimg\/42\/5f\/738a6ce4de932761bbf6c1838f89-200x200-1.jpg","attrs":{"Brand Name":"Zetron","Model Number":"L10","Minimum Order Quantity":"1 piece","Delivery Time":"in stock","Product name":"L10 Remote methane detector","Max Detection Distance":"100 meters","Target Gas":"Methane","Measure Range":"0-100,000ppm*m","Size":"170 x 52 x 52 mm","Weight":"0.38kg","Certification":"Ex","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"1000 set\/month","Packaging Details":"paper box"}}

{"cid":"91188394","title":"TDLAS200 High-Sensitivity Laser Methane Sensor with 0.5ppm Detection Limit and 0~5000ppm Range for Industrial Safety","imgUrl":"https:\/\/img.chinax.com\/nimg\/38\/49\/21802eb8031e7d359ff8eea4d1e4-200x200-1.jpg","attrs":{"Brand Name":"KACISE","Model Number":"TDLAS200","Minimum Order Quantity":"1PCS","Delivery Time":"5-8 work days","Detection object":"Methane (CH4)","Measurement range":"0~5000ppm","Measurement principle":"Laser absorption spectrum (TDLAS)","Product model":"TDLAS200","Volume":"53ml","Static detection limit":"0.5ppm@25\u210310SPS (typical value, please contact us for details)","Certification":"CE","Place of Origin":"china","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union,MoneyGram","Supply Ability":"1000 Piece\/Pieces per Week negotiable","Packaging Details":"each unit has individual box and all boxes are packed in standard packages or customers requests available"}}