... , etc..2. Features 1)Specialized gas detector, with full color touch screen. Real-time display of test results and histogram during ... technique, screen can be seen in strong sunshine. 3)Simple design of touch screen, menu guided, with strong sense of color and ... ’s detection path.3. ParametersDisplay: 4.3 inch full color touch display screen.Range: 0-1000ppm, 0-100%LEL, 0-100 ...