99.999% by Volume Nitrogen Calibration Gas, 103 Liter Steel Cylinder.
- Includes pump and probe assembly. Watch the short video for more information.
- Sounds low level alert at 35 ppm and high level alert at 200 ppm.
- also displays visual alerts at both levels.
- Visual alert, audible alert, real-time carbon monoxide display from 1 to 1,999 ppm.
- Serviceable for long term ownership including calibration, replacement sensor, and battery.
- Waterproof to IP67 standards and one year manufacturer warranty.