Ensure workplace safety with this advanced Multi-Gas Meter, designed for precise and reliable detection of four critical gases: oxygen (O₂), combustible gas (LEL), carbon monoxide (CO), and hydrogen sulfide (H₂S). Crafted from durable ABS material and equipped with premium electronic components, this handheld gas detector delivers excellent sensitivity and accurate measurements, making it an essential tool for professionals in petroleum, chemical, metallurgy, refining, and other industrial environments. Key Features: · Multi-Gas Detection: Simultaneously monitors oxygen (0–30 percent VOL), combustible gas (0– LEL), carbon monoxide (0–999 ppm), and hydrogen sulfide (0–500 ppm) for comprehensive gas safety management. · High Sensitivity and Accuracy: Built with selected top-quality electronic components to ensure reliable and precise gas concentration readings. · Portable and Ergonomic Design: Compact pocket-size (11.45 x 6.44 x 4.45 cm) and lightweight (200g) design with ergonomic features for comfortable, on-the-go use. · Long-Lasting Lithium-Ion Battery: Integrated 2500mAh rechargeable battery supports up to 8 hours of continuous operation, or approximately 6 hours when used with an external gas sampling pump. · Clear Backlit LCD Display: Segment-type LCD with backlight enables easy reading of gas concentration levels even in low-light or dark environments. · Dual Alarm System: Audio alarms combined with visual icons on the screen provide immediate alerts when gas levels exceed preset thresholds. · Versatile Alarm Settings: Supports low alarm, high alarm, peak value display, and STEL or TWA alarm modes to meet various safety monitoring requirements. · Robust Operation Range: Suitable for use in harsh industrial conditions with operational temperature from 10℃ to 50℃ and humidity range of 15 percent to 95 percent RH. Specifications: · Material: ABS · Model: ST8990 · Carbon Monoxide Range: 0–999 ppm · Hydrogen Sulfide Range: 0–500 ppm · Oxygen Range: 0–30 percent VOL · Combustible Gas Range: 0– LEL · Operation Current: 220mA · Operation Voltage: 3.7V · Battery Capacity: 2500mAh Lithium-ion · Display Type: Segment LCD with backlight · Dimensions: 11.45 x 6.44 x 4.45 cm (4.50 x 2.53 x 1.75 in) · Weight: 200g (7 oz) Package Includes: · 1 x Multi-Gas Meter · 1 x USB Charging Cable · 1 x User Manual This Multi-Gas Meter combines advanced technology, user-friendly design, and comprehensive gas detection capabilities to provide a reliable safety solution for hazardous environments. Its portability, long battery life, and dual alarm system make it an indispensable device for real-time gas monitoring and protection. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.