These Carbon Dioxide tubes work with the Air Sampling Pump for checking environmental levels.
- 0.1 to 2.6% (1 full pump stroke)
- 0.2 to 5.2% (1/2 pump stroke)
- Sampling Time: 5 minutes (1 pump stroke)
- Detection Limit: 0.01％（100 ppm)
- Operating Temperature: 32°F to 104°F (0°C to 40°C)
- Color Change: Pale Blue to Pale Pink
- Pack of 10 tubes