- Self-contained suction pump can suck the gas at a distance of tens of meters into the instrument for measurement
-Audible alarm
-Large screen number, character display, instantaneous value, peak value display
- Self-check of display, battery, sensor, sound and light alarm function when power on or needed
- Safety tips: regular flashing lights, sound prompts
- Superior audio sound alarm
-Equipped with a charger, easy to carry and flexible to use
- Low maintenance costs
