1. Range: 0-50ppm to 0-1000ppm (double range and automatic range are optional)
2. Concentration unit: ppb, ppm μ G/m3, mg/m3 (optional)
3. Lower detection limit: 0.04ppm
4. Zero drift:<0.1ppm/24h
5. Range drift:<1% F.S./24h
6. Linearity:<1% F.S
7. Repeatability:<1%
8. Response time: T90<90s
9. Sample gas flow: (800 ± 80) sccm
