When using the portable combustible gas detector, you should handle it with care and avoid violent shock In order to avoid damage to the sensitive components of the instrument, you should handle it with care when using the portable combustible gas detector to avoid violent shock. The 4-in-1 gas detector has a very clear large LCD display and sound and light alarm prompts to ensure that it can detect dangerous gases even in very unfavorable working environments and prompt operators to prevent them in time. Self-inspection of display, battery, sensor, and sound and light alarm functions when starting up or when needed; regular flashing lights, sound
