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%VOL or ppm? Why Oxygen Detectors for Pipe Welding Use %VOL Instead of PPM
2026-04-27
Recently, a US customer asked us an interesting question: can our portable pumpsuction oxygen detector display readings in ppm instead of %VOL? This is a common question among welding professionals, pipeline construction teams, and safety engineers worldwide. Many users are unsure whether to use %VOL or ppm for o...
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New product|Household combustible gas detector SD6106 series
2025-11-26
The SD6106 series household combustible gas detector is a safety prevention product suitable for residential families. It is used to continuously detect the concentration of combustible gas indoors. When the concentration of combustible gas in the environment reaches or exceeds the alarm set value, it will issue a...
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Exhibition|Shield Once Again Made An Appearance at The Gas and Heating China 2025 Exhibition
2025-10-28
When "smart gas" becomes the core keyword of energy transformation, a grand gathering of global gas industry elites is writing a new chapter in the development of the industry.
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Lower Explosive Limit ≠ Alarm Value! 3 Major Pitfalls in Combustible Gas Detection!
2025-09-26
Gas Detection Safety Essentials: From Concentration Units to 4-in-1 Detection During confined space operations, a worker entered without testing the oxygen concentration and fainted due to hypoxia. In a chemical plant, a combustible gas alarm falsely triggered because the unit was mistakenly set to mg/m³ inst...
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