bluetooth 4 0 biogas analyzer

{"cid":"91188394","title":"KGD MQ 531 Biogas Analyzer Smart Portable Type Bluetooth 4.0 Communication and Electrical Parameters","imgUrl":"https:\/\/img.ismap.com\/nimg\/e6\/7b\/6b1702fa162b0553f7ae9a72c825-200x200-1.jpg","attrs":{"Brand Name":"KACISE","Model Number":"KGD-MQ-531","Minimum Order Quantity":"1PCS","Delivery Time":"5-8 work days","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","Measured Components":"CH4\/CO2\/H2S\/O2 \/H2\/CO","Measurement Principle":"CH4\/CO2: NDIR; H2S\/O2: ECD","Measurement Range":"CH4: (0 - 100)%; CO2: (0 - 50)%; H2S: (0 - 9999) ppm; O2: 0 - 25% (All ranges are optional)","Linear Error":"CH4 \/CO2: \u00b12%F.S., O2\/H2S: \u00b13%F.S.","Electrical Parameters":"Electrical parameters","Communication":"USB interface, Bluetooth 4.0"}}

{"cid":"91189666","title":"Biogas Multi Gas Detector CH4 CO2 O2 H2S Built-in Printer Bluetooth Connection","imgUrl":"https:\/\/img.ismap.com\/nimg\/59\/39\/d091f04b43df5cd076c4e8e12232-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Safegas","Model Number":"SKY8000","Minimum Order Quantity":"1 piece","Delivery Time":"5 - 7 working days","Certification":"ATEX\/CE","Place of Origin":"China","Payment Terms":"Western Union, T\/T, Visa, Master Card","Supply Ability":"1000 pieces\/Month","Packaging Details":"Aluminum Suitcase","Detecting gas":"Biogas (CH4 CO2 O2 H2S)","Sensor Type":"Electrocemical and Infrared sensor","Measure Range":"Customerized","Resolution":"Customerized","Application":"Power plant, petrochemical, pharmaceutical, building, mine, metallurgical coking","Sampling method":"Pumping suction","Display":"Formula, gas concentration data, measurement trend curve, gas curve, battery, time, temperature, humidity, pressure (optional), pump condition, wireless status, printer status, screen shot status","Alarm":"Buzzer, red LED and alarm status on the display, fault alarm, pump abnormal alarm, low battery alarm","Language":"Chinese\/English","Warranty":"12 month"}}