Details: h2s detector tube measuring range: 5-240 ppm (scale range: 10-120 ppm) , h2s detection tubes measuring range: 50-4000 ppm (scale range: 100-2000 ppm) , h2s detector tube measuring range: 12.5-500 ppm (scale item category/ range: 25-250 ppm) , h2s detection tubes measuring range: up to 4% (scale range: 0.1 to 2% ppm) , h2s detection tubes scale range: 50-800 ppm (measuring range: 25-1600 ppm)
Sector: Custom1