WT8822 Professional Portable H2S Gas Detector High Sensitivity Monitor Alarm Sensor

Features: 1. Maximumminimum hold feature for measuring absolute highlow peaks and hold datas. 2. A great necessity tool to test H2S gas, perfect for using in biological medicine, fire detection and so on. 3. When the concentration of H2S in the air exceeds the standard, sound and light alarm will be issued immediately, and the concentration value of carbon monoxide will be displayed. 4. The product is ergonomically designed for easy handling and operation, perfect for household and working testing. 5. In order to ensure longer battery life, you can set the timing switch machine, saving the time of manual switch machine. Specification: Item Type: H2S Detector Material: ABS Measurement Range: 0100PPM: 00.01VOLpercent ; 0152Mg m3; 00.23LELpercent Maximum Overload: 500PPM Response Time: <30 seconds Sensor Type: Electromagnetic H2S sensor Ambient Humidity: 1590percent RH Battery: 3 x 1.5V AA Battery (Not Included) Package List: 1 x H2S Detector 1 x Instruction 1 x Black Box Maximumminimum hold feature for measuring absolute highlow peaks and hold datas. A great necessity tool to test H2S gas, perfect for using in biological medicine, fire detection and so on. When the concentration of H2S in the air exceeds the standard, sound and light alarm will be issued immediately, and the concentration value of carbon monoxide will be displayed. The product is ergonomically designed for easy handling and operation, perfect for household and working testing. In order to ensure longer battery life, you can set the timing switch machine, saving the time of manual switch machine.