GasBadge EX(GB90) portable combustible gas detector, using high-performance catalytic combustion sensor, can be used for petrochemical, environmental accidents, natural gas, liquefied petroleum gas, gas and other industries to detect a variety of combustible gas, including: Alkanes, liquefied petroleum gas, natural gas, hydrogen, etc., whose display unit is %LEL - * low lower explosive limit, resolution is 1%LEL.

The instrument is compact and novel in appearance and easy to carry. The parameter setting and zeroing process can be password protected to prevent incorrect setting and operation by non-qualified personnel. The instrument is equipped with sound, light and vibration alarm functions, and according to the specific needs of the user, the alarm can be set to have noise suppression and latch functions.