Smart Sensor ST8900 Portable 4-in-1 Multi-Gas Monitor
High-precision detection for O2, H2S, CO, and LEL gases with real-time STEL/TWA monitoring. Rugged ABS housing with anti-slip texture ensures durability in harsh environments. Compact, lightweight design (180g) for easy one-hand operation during fieldwork. Advanced electrochemical sensors deliver instant, accurate readings with ±3% deviation. Audible (95dB) & visual (LED) alarms trigger instantly at unsafe levels. Rechargeable lithium battery provides 12+ hours of continuous use. Ideal for oil rigs, chemical plants, confined spaces, and emergency response teams. IP66 waterproof rating resists dust and heavy rain. Includes data logging for 50,000 records with timestamp. Certified to ATEX, IECEx, and CE standards. Ships calibrated and ready for deployment. Bulk discounts available for safety teams and industrial buyers.