BOSEAN BH-4S Portable 4-in-1 Multi-Gas Detector:
- Technical Specifications: Simultaneously measures 4 key hazard gases: Combustible Gas (EX / 0-100% LEL, catalytic sensor), Oxygen (O2 / 0-30% Vol, electrochemical sensor), Hydrogen Sulfide (H2S / 0-100 PPM), Carbon Monoxide (CO / 0-1000 PPM), display: 2.4-inch color LCD display with real-time numerical readings, triple alarm modes: 85dB audible buzzer, high-intensity flashing LED beacon, and tactile vibration pulse, high-capacity 2000mAh rechargeable lithium battery (continuous runtime >8 hours), rugged rubberized IP65 enclosure (drop-resistant, dust-tight, splash-proof), Product of Henan Bosean Electronic Technology Co., Ltd.
- Simultaneous 4-Gas Hazard Monitoring: Continuously analyzes confined space air for explosive hydrocarbons, oxygen depletion/enrichment, lethal H2S, and toxic CO.
- Triple Redundant Alarming (Sound, Flash, Vibration): Piercing 85dB siren, flashing strobes, and heavy vibration alert workers instantly even in noisy industrial environments.
- High-Precision Electrochemical & Catalytic Sensors: Fast response (T90 <30 sec) with minimal calibration drift.
- IP65 Explosion-Proof Ruggedized Enclosure: Sealed against underground sewer mud, rain showers, and chemical plant dust.
- Backlit 2.4" Color Screen: Displays real-time concentrations, battery status, and high/low alarm setpoints clearly in total darkness.
- Applications: Confined space sewer entry, oil storage tank inspection, mining shafts, metallurgical smelters, chemical plants, and marine ship hold entry.
