... Sensor 4. Stable and Durable 5. Excellent Smoke Resistant Performance CA-386F Carbon Monoxide AnalyzerFeatures:Detection Gas: manufactured gas (hydrogen), natural ... outputMaterial of Shell: ABS, electrostatic resistance surfaceSpecifications: Model:CA-386FAlarm Concentration:Hydrogen:125~750*10-6,Natural Gas:1 ... 20 SRecovery Time:≤20 SDimension:OEM, ODM are welcome CA-386F Carbon Monoxide Analyzer