WatchGas UNI Sustainable THT Single-Gas is a lightweight and easy to use the device to detect  THT gas, with a convenient portable approach. It offers an easy mobile solution for a wide variety of hazardous THT applications. With a wide LCD screen, the UNI provides the best readability in the region. Six light red and high beeper red LEDs will have a warning notice. It remains easy in your hand with a pneumatic, circular top, for optimal service with many layers of protective washing.