The Xgard-1-O3 is a single-gas Gassensor used to warn for gases (Ozone, O₃, 0 ... 1 ppm), with display and signal output for sensors in combination with a stationary instrument to detect gases (ATEX or UL approval).

- Stationary
- For (Ozone, O₃, 0 ... 1 ppm)
- Additional display and alarm station
- ATEX or UL approval