wintact WT8822 Hydrogen Sulfide Detector LCD Display H2S Gas Tester Hydrogen Sulfide Concentration Detector This product is shipped according to the color or size of the main image on the product page. Compact, portable hydrogen sulfide detector designed for detecting hydrogen sulfide concentration. Using high-quality gas sensors, the measurement is accurate, the performance is stable, and it is safe and reliable. It meets the stability requirements of high reliability of equipment for industrial site safety monitoring, and is widely used in fields such as home furnishing, chemical industry, mining, environmental protection, gas transmission and distribution, biochemical medicine, and agricultural scientific research. Features: The high-definition screen displays measured values, and the data retention function facilitates reading. Maximum and minimum value measurement, stable performance, ensuring safety and reliability. Buzzer alarm ON/OFF selection, high/low alarm adjustable. %VOL, %LEL, PPM, mg/m3 unit switching. Compact miniature combustible gas detectors are lightweight and easy to carry. Widely used in household, chemical industry, mining industry, environmental protection, gas transmission and distribution, biochemical medicine, agricultural research, etc. Specifications: Material: ABS Measuring range: 0~100PPM, 0~0.01%VOL, 0~152mg/M3, 0~0.23%LEL Maximum overload: 500PPM Response time: