VTSYIQI Portable Sulfur Sioxide Gas Detector SO2 Concentration Detection Toxic Gas Concentration Testing Machine with Measuring Range 0 to 20ppm L-Alarm 5ppm H-Alarm 10ppm Resolution 0.1ppm Visual Audible Alarm

VTSYIQI Portable Sulfur Sioxide Gas Detector SO2 Concentration Detection Toxic Gas Concentration Testing Machine with Measuring Range 0 to 20ppm  L-Alarm 5ppm H-Alarm 10ppm Resolution 0.1ppm Visual Audible Alarm         About this item: ♡Range:0-20ppm ♡Resolution:0.1 ppm ♡L-alarm:5ppm ; H-alarm:10ppm ♡Output current:4-20mA ♡It is used to detect the concentration of flammable gas or other toxic and harmful gases in the air. When the concentration reaches or exceeds the preset alarm value, the controller will sound and light an alarm to promptly remind to take safety measures to prevent explosion and poisoning accidents, so as to protect life and property. Overview: The portable single gas detector can make continuous detection to combustible and toxic gases. It is suitable for combustible and toxic gas leakage detection in underground pipe or mines, and keeps the workers safe, prevents the facilities from being destroyed.The detector, adopting excellent-quality sensor, makes detection i