four one gas analyzer for hazardous environments

{"cid":"91211450","title":"YJJ PGM-2500 Portable Four-One Wireless Gas Detector Used For Gas Monitoring Hazardous Environments","imgUrl":"https:\/\/img.chinax.com\/nimg\/9f\/18\/ddfdd3b65278ad75c5f4f9fd5f20-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"RAE","Model Number":"PGM-2500","Minimum Order Quantity":"1","Delivery Time":"5-8 days","Pressure differential range":"-500-500 Pa","Full scale span voltage":"4.5V","Response time":"1 Ms","Source current less than":"0.2ma","Working humidity":"30-80RH","Place of Origin":"USA","Payment Terms":"L\/C, D\/A, D\/P, T\/T, , ","Supply Ability":"2200","Packaging Details":"Box pack","Excitation voltage":"5.0- 0.25VDC"}}

{"cid":"91200158","title":"Portable Multi Gas Detector with TFT Color LCD Display Triple Alarm Mode and High-Precision Sensors","imgUrl":"https:\/\/img.chinax.com\/nimg\/dd\/c6\/909e26ef6c7ca185bc51899c0dff-200x200-1.jpg","attrs":{"Price":"85usd\/pc","Brand Name":"Zetron","Model Number":"MS104K-new","Minimum Order Quantity":"1","Delivery Time":"1-2 weeks","Certification":"ATEX\/CE","Place of Origin":"Beijing China","Payment Terms":"T\/T","Packaging Details":"30X25X20cm, 2kg\/pc","type":"detector","customized support":"OEM, ODM, OBM, Software Reengineering","Gas unit":"PPM, mg\/m3, Vol%, LEL%, PPHM, ppb, mg\/l","Protection level":"IP65","Explosion-proof type":"Intrinsically safe type","Exterior dimensions":"130*68*34mm (L*W*H)","Weight":"200g","warranty":"1 year"}}