Gaqqee Combustible Gas Detector SW-733A Propane CO Hexane Methane Leak Indicator Port Natural Gas Analyzer 0-100%LEL With Alarm Features: 1. The SW-733A combustible gas detector adopts the current advanced circuit technology. The sensor has the characteristics of high sensitivity, good reliability, fast response speed, high stability and simple operation. It is an ideal instrument for leak detection of gas pipelines. 2. A filter device is used on the gas path of the instrument, which further reduces the interference of water vapor and dust, and ensures the reliability of leak detection. 3. The shell is made of ABS high-strength engineering plastic, which has high strength, good hand feeling, and is dust-proof and explosion-proof. 4. Split universal flexible probe, easy to touch in various environments 5. Rich alarm methods and real-time feedback of gas leak detection Specifications: Model: SW-733A Detection gas: natural gas, liquefied petroleum gas, suitable for artificial gas Auto range: 0-100% LEL (auto) Alarm settings: low alarm function, high alarm function settings Alarm: sound, LED, vibration indication alarm, undervoltage indication Battery: DC (4.5V) 3 AAA alkaline dry batteries( type A external battery,type B without battery) Package Included: Paper package Type A: Host*1+Manual*1+Qualification Certificate*1+1.5AAA Battery*3+Storage Bag*1 Type B: Host*1+Manual*1+Qualification Certificate*1+Storage Bag*1