This HVR-LS Horizontal Vertical Flame Test Chamber meets the requirements of ANSI/UL94, IEC60695-11-3, IEC60695-11-4, IEC60695-11-10, IEC695-2-2 , GB- 4943, GB/T5169.15, GB/T5169.16, GB/T5169.17, GBT5169.22 Standard. Horizontal Vertical Flame Test Chamber uses a bunsenburner with a specified size and a specific gas source (methane or natural gas). According to a certain flame height and a certain flame angle, the test sample in a horizontal or vertical