Four-in-one gas detector advantages : 1. Self-contained suction pump can take tens of meters away from the gas to the instrument for measurement Chewable Tablets,Vitamin C Chewable Tablets,Chewable Vitamin C,Chewable Calcium Guangzhou Etechange Biological Engineering Co.,Ltd. , https://www.etechange.com
2. Sound and light alarm
3. Large screen numbers, character display, instantaneous value, peak display
4. Self-test for display, battery, sensor, sound and light alarm function when booting or when needed
5. Safety Tips: Regular flashing lights, voice prompts
6. Superior audio sound alarm
7. With charger, easy to carry, flexible to use
8. Can support 4 kinds of gas detection work at the same time , compose four-in-one online detection
9. The first three gases are selected by the customer, and the fourth gas is standard carbon dioxide.