* Range: 0-500 ppm
* Accuracy: ±5% of F.S.
* Increments: 1ppm
* Data logging interval: 1, 5, 10, 15, 30 and 60 minutes
* LCD Display: Shows concentration, temperature, time, battery life, remained data capacity in days
* Memory: Up to 45,960 points (approx. 31 days logging at 1 min intervals)
* Battery life: up to 3 months
* Rated IP66/67