Guard-101 4-gas detector for H2S CO LEL O2
4-gas monitor with vibration, visual and audible alarms for H2S, CO, LEL and O2. Battery life up to 14 hours for ongoing monitoring. Customers note ease of use and reliability with safety-focused features
Highlights
- four-gas detection
- long battery life
- comprehensive alarms
Pros
- multi-gas detection (H2S, CO, LEL, O2)
- long battery life (up to 14 hours)
- multi-mode alarms (vibration, visual, audible)
Cons
- mixed accuracy feedback on oxygen reading
- some reports of faulty LEL functionality
Best For
Features
- Monitors four gases: H2S, CO, LEL, and O2 with rapid detection
- Up to 14 hours battery life for extended monitoring
- Constructed from high-strength ABS engineering plastic; waterproof and dustproof
- Explosion-proof design with back clip for easy workplace carrying
- Password protection to prevent accidental operation
