equipment$80–180used in 2 side quests
Multi-gas detector
Handheld monitor that continuously measures oxygen levels and detects toxic or explosive gases in enclosed spaces. The essential safety tool that warns you about invisible atmospheric dangers before symptoms appear.
What to look for
- 1Detects the core four: oxygen, carbon monoxide, hydrogen sulfide, and combustible gases (LEL)
- 2Audible, visual, and vibration alarms you'll notice in loud environments
- 3Calibration certificate and ability to user-calibrate or verify accuracy
- 4Minimum 12-hour battery life for full-day exploration
Skip
- Single-gas detectors marketed as complete solutions
- Models without bump test capability to verify sensor function
- Sensors past their 2–3 year replacement date
Used for: Urban exploration of basements and tunnels · Confined space safety checks · Industrial site documentation · Abandoned building assessment
Side quests that use it
Pick the adventure first; the gear follows.
Urban Exploration
Urban Exploration Safety & Risk Management Hub
Know the difference between adventure and trespassing—and how to stay alive either way.
Urban Exploration
Urban Explorer's Safety Academy
Turn urban curiosity into calculated confidence with safety skills that protect both you and the places you explore.