1. Display mode 7-inch touch screen 

2. measurement methods: NDIR single beam dual wavelength infrared measurement technology 

3. Monitoring gas measurement range resolution accuracy 

Sulfur hexafluoride gas 0-12000ppm 1ppm ± (1.5%+5d) 

4. Repetitive Performance 1% 

5. Pump extraction speed ≥ 800ml/min 

6. The continuous working time shall not be less than 7 hours 

7. instrument start-up preheating time ≤ 10 seconds 

8. Response time less than 3 seconds 

9. Recovery time less than 3 seconds 

10. charging adapter specifications DC12V/1A 

11. Surge (impact) immunity ± 1.2kV 

12. Environmental temperature -20 ℃ to+50 ℃ 

13. Environmental humidity Relative humidity 5-95% (no condensation) 

14. Atmospheric pressure 50kPa~110kPa 

15. protection level IP33, double insulation, CAT II standard 

16. Dimensions: Length 250mm, Width 160mm, Height 70mm 

17. host weight 0.6kg