1. It is widely used in gas pipeline leak detection, household gas prevention, gold mine field, tunnel mine operation oil and gas exploitation field, dangerous goods storage warehouse, etc. 2. It is convenient for users to safely detect various combustible gases, such as methane, carbon monoxide, gasoline, ethylene oxide, etc. 3. Range: 0-1000PPM 4. Accuracy: less than or equal to 10% FS (methane) 5. Sensitivity: less than 50PPM (methane) 6. Response time: less than 2s 7. Preheating time: about 30sSpecification: General Certificate FCC, EMC Package Weight One Package Weight 0.07kgs / 0.15lb One Package Size 17cm * 4.2cm * 2.8cm / 6.69inch * 1.65inch * 1.1inch Qty per Carton 200 Carton Weight 17.10kgs / 37.70lb Carton Size 42cm * 38cm * 28cm / 16.54inch * 14.96inch * 11.02inch Loading Container 20GP: 596 cartons * 200 pcs = 119200 pcs40HQ: 1385 cartons * 200 pcs = 277000 pcs