CN China
  • 13 - Umwelt, Gesundheitsschutz, Sicherheit
  • 90 - Optische, fotografische oder kinematografische Instrumente, Apparate und Geräte; Mess-, Prüf- oder Präzisionsinstrumente, -apparate und -geräte; medizinische und chirurgische Instrumente, Apparate und Geräte; Teile und Zubehör für diese

Line-type optical beam combustible gas detectors for industrial and commercial use (HS: 9027100090); - Gas or smoke analysis apparatus (HS 902710). Fire protection (ICS 13.220.20)

National Standard of the P.R.C., Combustible Gas Detectors-Part 4:Line-type Optical Beam Combustible Gas Detectors for Industrial and Commercial Use (19 page(s), in Chinese)

This standard specifies classifications, requirements, tests, inspection rules and markings of line-type optical beam combustible gas detectors. This standard applies to line-type optical beam combustible gas detectors used in industrial and commercial premises for detecting all types of flammable gases and vapours.