Gas Leak Detector PH3 Monitor Phosphine Gas Analyzer with Alarm System Gas Detector Professional PH3 Air Gas Analyzer Sensor Features: 1. Industrial-grade sensor, high precision, real data, strong stability, real-time detection, can view the historical alarm data, and has a data storage function 2. Triple alarm mode (sound, light, vibration) is not easy to ignore, high security, high and low alarm value can be set free 3.3.7v rechargeable lithium battery, battery capacity 1500MA, charging time is less than five hours, continuous work for more than ten hours (gas detection is not less than 7 hours) 4. High-strength ABS material, waterproof, dustproof, explosion-proof, three anti-design 5. The use of mainstream 8-bit micro-control technology, fast response, high precision, stability and repeatability, simple operation, small size, portable and durable, with a high degree of waterproof performance, withstand the harsh environment of the test Product description: Product Name: portable single gas detector Color: black and yellow Type: Portable Shell material: ABS Guidance: LCD screen displays real-time data Display: temperature, time, detection of gas Detection method: Diffusion type Alarm mode: sound, light, vibration Power supply: rechargeable 3.7V lithium battery(built in) Charging time: less than five hours Battery working time: continuous work more than 10 hours Working temperature: Normal Explosion-proof mark: Exib IIB T3 Gb Protection class: ip65 Record storage: 1000 groups of alarm records Product Size: 109 * 60 * 30mm Phosphine PH3 0-20ppm